Purifi 1et400a review. This translates into US $2,554.

Purifi 1et400a review I fancy to buy, from France the following beauty : AUDIOPHONICS LPA-S400ET Power Amplifier Class D Purifi 1ET400A 2x400W 4 Ohm - Audiophonics Aug 26, 2024 · Topping D90/Purifi 1ET400A/klipsch rp-8000f/Elac SUB3030 Intel Nuc13I7 (Windows 11/Roon Remote) Topping E30/L30/AKG K702 Tanchjim Space/Truthear x Crinacle Zero RPI3 (Roon Bridge) Topping D10 balanced/TPA3255EVM/Grundig Raumklang 14 box Aug 25, 2024 · Yeah, it's strange that they recently became available again earlier this month, perhaps one last production run, it was showing out of stock for quite some time, only the 1ET400A module & EVAL2 Mono kit are available, the EVAL1 Stereo kit remains unavailable, it appears that there is only a singular module left of the 1ET400A & EVAL2 Mono kit. 2, TriPath cracked open the door to the High End but was never admitted due to a dim and opaque treble. Jul 3, 2019 · The non benefit for low impedances is both true and false. 3 Ohm. Sep 23, 2020 · Stuart Yaniger examines new amplifier solutions from two disrupting audio companies. Buckeye Amps also offers other color options at an additional cost. I think soon I will order Purifi 1ET400A from Audiophonics as for me it looks like their offer is the best in EU. Jul 20, 2022 · Hello everybody, finally a review about the new Purifi 1ET7040SA by Rouge Audio Design. It is on kind loan from a member and costs US $2,090. In a review, one person compared the NAD C298 with Purifi's own demo boards, and found the Purifi to be 'slightly' better in all aspects - transparency, amplitude across all frequencies, soundstage, etc. DIY 1et400a will most likely be around $2000 with taxes and shipping. Ultimately the Purifi Eigentakt line trades some power for ultimate low distortion compared to Hypex NCore. Nov 15, 2020 · There are many reviews of audio hardware and expert members to help answer your questions. Purifi 1ET400A amplifier (3-5 pcs. Dec 8, 2018 · Regarding Purifi builds, I am as always very interested in how to "concoct" your own power supply (just because). Tom Christiansen made a differential receiver with tha THAT1200 but the board is discontinued. Dec 8, 2018 · Now Purifi Eigentakt 1ET400A x 1ET7040A are similar 425W x 500W in 4 ohms, but 450W x 950W in 2 ohms. But below this, it is a completely different animal. Nov 13, 2024 · I have a Topping Pre90 and buffered (Audiophonics 1ET400A mono amps) sounds much better than bypassed even though the Pre 90 technically should have no problem with the impedance based on the numbers found in the ASR review. Besides, looking at the measurements, at least the The Apollon Audio 1ET400A Monoblock Amplifier utilises the praised Purifi 1ET100A amplifier module as its core. Aug 25, 2024 · In partnership with Purifi, Marantz developed a new amplifier, two of which are used to achieve dual-mono operation. Features: OPA1632 based fully differential input buffer with very low noise LT3045/94 Nov 15, 2020 · Amplifier SINAD list Class D FAQ 1. Zaph 5. May 18, 2020 · Internal view with Sonic Labs op-amps top centre. 2019-07-28 1:57 pm #10 We are proud to offer you the Audiophonics LPA-S400ET, a Class D stereo power amplifier based on two Purifi 1ET400A modules. Feb 16, 2022 · We are proud to present AUDIOPHONICS HPA-S400ET, a class D stereo power amplifier based on two PURIFI 1ET400A modules. The question is: Is it possible to hear any difference with Purifi and ADI compared to VMV A2? SINAD RME and Purifi is much higher than VMV A2, but logic says that VMV A2 already is in "transparent department". 48”W x 1. My linear power supply gives 2 x 61Vdc to Purifi module at idle and 2 x 56Vdc at THD1% module power. Maybe it can be improved through the input connection board without the need for a redesign of the modules. The 1ET400A ST is the embodiment of cutting-edge audio technology, with the heart of the famed Purifi 1ET400A Class D amplifier module. And the original NCore was already great (and the first class D amp that did not disturb me in a hifi setting). WiiM Pro - Mola Mola Makua - Apollon NCx500+SS2590 - March Audio Sointuva AWG 2. The unit was purchased new and drop shipped to me by a kind member. I mean, looks like 1et400a retail is going to be $3000 and up as Mivera's version is around $3500. Jul 3, 2019 · I'm in Greece and cannot get any locally available Purifi 1ET400A Amplifier, in order to test it /hear it with my speakers. The Hypex power rating is 380/700/700 watts at 8/4/2 ohms. 1 Aug 25, 2024 · Would you say the noise floor is significantly improved over the 1ET400A module, so would be best for highly sensitive horn tweeter designs, as they tend to exacerbate tweeter hiss, with the 1ET400A it still exhibits moderate hiss, so would the 2nd generation 1ET6525SA & 1ET9040BA modules be significantly improved in such situations? Jul 3, 2019 · I thought there only where 3 modules for Purifi: 1ET400A,1ET7040SA and 1ET9040BA. Jan 10, 2021 · Somewhere I read, the 1ET400A amplifier is an evolution of the designs made by Bruno Putzeys before Purifi, but the Purifi transducers are a revolution in transducer design. Apr 26, 2023 · The Purifi 1ET400A 3-channel amplifier comes in a sleek black powder-coated casing made entirely of aluminum. 5dB Purifi based P452 is on the low gain side compared to the 28dB Denon 4700 internal amps. The Purifi 1ET6525SA is the successor to the highly acclaimed 1ET400A. Shame that a conversion from GBP to EUR is so bad right now but anyway it isn’t a big deal as long as if Purifi 1ET400A is greatly implemented in their product. 5-inches in height, and weighs just 10 pounds. - according to graphs posted in Orchardaudio page (starkrimson), most of them are not as good as Purifi (1et400a) measurements - But Orchard Audio website specs for some The cable set is shown on the Purifi online shop. -Topping D70, Monoprice THX 887, Dan Clark Aeon Open, Senn HD 58X, Focal Elex. NEW Stereo VTV Amplifier with Purifi-Audio 1ET400A modules. 2 version of both integrated amps. 30”H x 3. Aug 25, 2024 · Forgot this was for the 6525SA (have two different Purifi thread notifications happening at the moment). Long story short, they all sound the same to my ears. Amir's review of a comparable model by Nord, I expect P452 to measure not too far from it. How would the stock Purifi EVAL1 buffer compare to the stock Hypex buffer - have there been reports of a harsh top end on the EVAL1 or has anyone compared the Hypex & Purifi boards directly to compare? Jan 21, 2025 · Purifi Eval 1 in detail. Jul 17, 2023 · This ensures that even a single-ended source can drive the 1ET400A and NC500 to clipping, something the Purifi EVAL1, Hypex NC500 Evaluation Board, and many other input buffers cannot do. Its three-channel setup is designed for front left, right, and center channels, making it ideal for home theater applications. With that option, the cost is £1,979. Member. . THD check in the linear area View attachment 417418 Mar 1, 2016 · Hi Our P451 Purifi MonoBlocks are now ready, will be on the website this weekend. Available soon-ish, this amplifier module is a full bridge topology (a first for Bruno Putzeys?) and it has a residual noise of 8uV, so it beats the newest NCorex's. 3 Ohm, this is true. Mar 1, 2018 · Please refrain from spreading stereotypical impressions, Chinese manufacturers aren't just about cheaping out and copying others' designs, there are original designs reviewed here which turns in above-average performance at acceptable prices. 1ET400A generates close to zero heat but SMPS1200 gets warm Sep 22, 2019 · I would much rather buy the Genelec 8331 for $4500 then a 1et400a and speakers for $4500. It costs US US $1,595. My speakers are Monitor Audio Silver 100 (Gen 6) which are easy to drive. Mar 22, 2022 · This is a review and detailed measurements of the Audiophonics HPA-S400ET. Now, I can't hear any noise coming from speakers, well. VTV Purifi Manual here ASSEMBLED IN THE USA — 30 Day Trial This is a brand new amplifier featuring: —Multiple Input Buffer Options The VTV Buffer option: Mar 1, 2016 · Review and Measurements of Purifi 1ET400A Amplifier. My review will be a combination of a few objective loudspeaker measurements in my room and subjective listening impressions. The chassis has heat sinks along the side and I put the 1ET400A and the Neurochrome Purifi/Hypex Input Buffer on a small aluminum plate that I then mounted to the heat sink. Here is the 5 watt comparison: And NC400 (sorry it is not averaged as much, ignore the business below the graph): Mar 28, 2023 · I’ve narrowed it down to three choices, NCX500, Purifi Egentakt or Nilai. Feb 2, 2021 · 1ET400A: Power 257W in 4 ohm, 131W in 8ohm (the 260W and 516W in the C298 must be wrong) Frequency response is ruler flat with -1dB at 50kHz THD at 4 0hm 50mW 0,007%, 5W 0,001% Pmax 0,0002% May 31, 2023 · Does anyone know how a high end class D amp like the new Marantz AV10 16 channel amp would compare to something like the Buckeye 8 channel NC502MP amp along with a 3 channel Purifi 1ET400A amp for 11 channel amplification? I don't really have the budget for something like that Marantz but the Buckeye amps are in my price range. It is logical to make the comparison to know what they have improved. This is non trivial, but there are a fair amount of DIY implementations that look good and you can build a nice 2-channel Purifi amp for >$3,000. I’m not an electrical engineer so not sure how to read the Hypex specs but if this is correct my intention would be to give it max power for all channels driven. Jun 19, 2019 · That is quite the significant improvement over the 1ET400A along with the greater power bandwidth increase to 80kHz like the 1ET9040BA, I would be using a Denon X8500H & Klipsch RF-7 III floorstanders, I should've waited on the 1ET6525SA later this month, a bit silly of me to purchase a 1ET400A based amplifier back in June that is already some 5 years old, missed the announcement by 1 month Oct 21, 2020 · hi guys trying to grasp what is a better amp - both are great no questions, but I tried to compare they specs and graphs. Once distortion becomes dominant, Purifi 1ET400A pulls ahead. It sounds amazing, but slightly worse than the pure eval board. Nowadays, you can get a Purifi Stereo amp for less than a double mono NC400 DIY kits. Purifi1ET7040SA Dec 21, 2020 · With a 26. I also saw the NC252MP review by Amir (the IOM offering), which is slightly lower in SINAD. This matters less if your room is small or your listen to them with a meter or two. So I’ve concluded the NCX500 would be the most cost effective. To start at the beginning, the Three SE 1ET400A MKII is a dual mono, stereo power amplifier with two Purifi 1ET400A output devices producing 227W per channel (the 400 refers to output into four Ohms). Thread starter March Audio; Start Feb 13, 2016 · As promised in my review of the Nord Three SE 1ET400A Dual Mono amplifier, here is a tear down of its construction. May 12, 2019 · -Freya+, Eversolo DMP-A6, Bluesound Node 2i, VTV Purifi, Buckeye 3 channel Purifi, Buckeye 2 channel NC252 MP, Emotiva PA-1 monoblocs, Onkyo RZ50, Topping D90SE, Revel F208, Infinity RC263, Kef surrounds, Monoprice M-10 V2, Infinity Sub R-12, LG C3 evo. The IMD improvement over the Ncore has lead to an significant audible improvement. yoodog. ) Listed in order of May 28, 2020 · Purifi 1ET6525SA Power Specs: 230w into 8ohm 450w into 4ohm 510w into 2ohm Custom Input Buffer Board w/: - Neutrik XLR connectors - 5-way gold plated binding posts - OPA1612 OP Amp - TI TPS7A30/49 Voltage Regulators - Low, Med, High Gain settings - Clipping Indication (via Front Power LED) - Feb 7, 2023 · A Dual PURIFI 1ET400A module Both channels of the amplification circuit use their PURIFI 1ET400A module. I fixed that together with making sure only one channel was driven (two were in original graph). Many also report improvements in sound quality when the Purifi 1ET400A and Hypex NC500 are provided a differential input. Oct 23, 2018 · This is a review and detailed measurements of the Purifi 1ET400A Class-D amplifier module. Purifi’s 1ET400A is a class-D amplifier module on a single circuit board measuring only 2. Mar 1, 2016 · It would have to be at a pretty high frequency to be inaudible and pretty powerful to burn out a tweeter. Modules will be available to DIY Mar 16, 2022 · I'll also post mine so people can see how the amp and consistency are today based on at least 2 samples, but according to this thread people have been ordering it in this config from VTV since at least early January 2021 also without incident VTV Purifi 1ET400A updates-VTV Purifi 1ET400A updates - VTV Purifi 1ET400A updates . 65: Posted on December 5, 2020 at 06:11:39 Description. They have not disclosed the cost of the unit. This translates into US $2,554. Thus there seem to be rather too many chassis connections for optimum noise performance here. 5dB? Jul 3, 2019 · My speakers are big, 3 way floorstander (Faital-3WC-15 Troels Gravesen). What you will notice is in Audyssey the volume setting for the speakers powered by the Purifi will be configured 3-4dB higher than those on the internal amps or on the Parasound A21. Review and measurements of Purifi 1ET400A Amplifier July 29, 2019 The Apollon Audio Purifi 1ET400A Mini Monoblock Amplifier utilises the praised Purifi 1ET100A amplifier module as its core. Jun 19, 2019 · Agreed. Audyssey adds 2. Modules will be available to DIY Jul 3, 2019 · We can see that while noise dominates, the two amplifiers perform the same. Jul 27, 2020 · A pair of Purifi Eingentakt 1ET400A in the NAD Masters M33. Jul 4, 2019 · Review and Measurements of Purifi 1ET400A Amplifier | Page 7 | Audio Science Review (ASR) Forum . First sample had an issue with its binding posts increasing distortion. On the other hand the current NC502MP is 25. Purifi does not provide any instructions for cable terminations on Hypex power supply. Nov 30, 2021 · The 26. That turned Purifi 1ET400A amplifier (6-12 pcs. Here are two amps side to side: Purifi top NCore NC 500 bottom Feb 23, 2019 · Purifi 1ET400A test with linear PSU I was curious to test the 1ET400A module with linear power supply and to test it to comply with the FTC (05/2024) rule. I do have fans. Audyssey increases the levels +2 dB to match the internal AVR amps. Any ideas which one I should buy (and why)? Options I found: - Nord Three 1ET400A ST (single SMPS1200A400 PSU) - Nord Three 1ET400A MKII Dual Mono (2x SMPS1200A400 PSU) - Apollon 1ET400A mini (single SMPS1200A400 PSU) Feb 3, 2022 · The much awaited 2ch Purifi amp is well underway. ) Apollon Audio Input Buffer Board with OPA 1656 op amps Apollon Control Board for standby control Neutrik silver plated XLR line input socket Gold plated RCA input with selector switch WBT 0703 CU binding posts Pure UP-OCC 12AWG Solid Copper Speaker output wire 12V Trigger for wakeup from standby Aug 16, 2021 · -Freya+, Eversolo DMP-A6, Bluesound Node 2i, VTV Purifi, Buckeye 3 channel Purifi, Buckeye 2 channel NC252 MP, Emotiva PA-1 monoblocs, Onkyo RZ50, Topping D90SE, Revel F208, Infinity RC263, Kef surrounds, Monoprice M-10 V2, Infinity Sub R-12, LG C3 evo. Dec. I've been looking at the options based on the Purifi 1ET400A modules. 5dB gain (Purifi) and 29dB (Denon internal amps/Parasound Dec 21, 2020 · The NCoreX 500 is more comparable to the Purifi 1ET400A and should be less expensive as well. There is almost no expediancy to getting a 6525SA reviewfor those who already have an ET400A or are looking at an ET400A at a discount, they are not missing out on the 6525SA. The 1ET400A amplifier modules offer a level of sound quality that sets the standard for amplifier modules of all classes. The review is without measures but is intersting. And I think that is correct, the search for imperfections in the design of a transducer and the solutions to solve these imperfections are astonishing. The test load was 8ohm. In my Kilowatt tests of Purifi amps they always use less energy while idle and at normal 60-70dB play back levels than Hypex designs by a good 8-9 watts. This ready-to-use version is designed for audiophiles needing a foolproof amplification solution. Incorporating 2nd Generation EIGENTAKT advancements from its bigger brother (the 1ET9040BA), the new 1ET6525SA has lower output noise, higher SNR, lower distortion, and more power output (up to 510w per channel) compared to the original 1ET400A. These high-performance Class D amplifier circuits each offer a very comfortable power of 200W (@ 8Ω) while making the most of the Class D amplifier’s high-efficiency rating. My choices are Hypex Nilai DIY Kit, NCX500 or Purifi Eigentakt. The PURIFI 1ET400A based dual mono amplifier has the option to use a custom input buffer board with class A op amps that makes the PURIFI 1ET400A work to its fullest potential and create a mind-blowing musical experience. Dec 5, 2020 · Model: Purifi 1ET400A Stereo; Category: Amplifier (SS) Suggested Retail Price: $1429; Description: Purifi 1ET400A module-based stereo amp with VTV i/o buffer The Purifi 1ET400a has been garnering a lot praise of late, and even used in NAD's flagship M33. But what does this mean for you, the listener? Erik Wesley "The Buckeye Amps Purifi 1ET400A amplifier is an AVS Top Choice for 2023 and like many others lately, I would strongly recommend this amplifier for anyone in need of a high-end multi-channel amplification. We are talking levels of distortion so low, that the only way to discern is via scientific measurements. Jan 6, 2025 · This is a review and detailed measurements of the Purifi 1ET400A Class-D amplifier module. Thread starter Rugger; Start date Nov 15, 2020; Dec 19, 2024 · Back in 2016, I documented the rise of class-D amps using the early TriPath technology. Your data indicated a sinad of only 105dB at the gain level I require to use a standard 4 volt dac as a source. Any Aug 17, 2021 · The NCx500 is a bit more power and the Purifi 1ET400A is slightly lower noise. Dec 5, 2020 · REVIEW: VTV Amplifier Purifi 1ET400A Stereo Amplifier (SS) 99. 1 Mar 23, 2022 · Hi all, quick question. It is an elaborate Kelvin type connection so not a quick fix at 1:30 in the morning. Can take pre-orders at this time, as long as buyers are aware the time could change if something very drastic happens during testing. 242. Anything above 20 kHz will do, oscillations can easily be much higher than that, and at the full voltage swing of the amp (so way beyond rated power). —Hypex SMPS1200A400 power supply (this is the power supply used by Purifi to demo their modules) Nov 5, 2021 · The Purifi seems to me is another step forward in class D (although I did not have the opportunity to listen to it yet). Aug 14, 2018 · It is interesting to hear two forum members say that they found the stock Hypex buffer harsh sounding. This compact and lightweight amplifier measures 12-inches in width, 12-inches in-depth, and 3. My Buckeye NC502MP amps (stock case) are scheduled to arrive mid. The UK’s Nord Acoustics was first out of the gate. Since the individual modules are known quantity, I didn't try to take close up pictures of them. Nov 9, 2009 · The NAD C298 is the latest iteration of NAD's Purifi ‘Eigentakt’ Amplifier. The 1ET400A amplifier features an output power of 450W at 2 Ohm and 227W at 8 Ohm. I want to try a Class D amp this time. 1 Jan 15, 2023 · Purifi 1ET400A (left) vs Hypex NC500x (right) But it surely is a great clean amp. Apr 26, 2023 · The Purifi 1ET400A 3-channel amplifier, as its name implies, is a 3-channel amplifier that utilizes Purifi 1ET400A modules. They follow the form of all our amplifiers, compact enclosure milled from aluminium block with tough anodised finish. We are proud to present AUDIOPHONICS MPA-M400ET, a class D mono power amplifier based a PURIFI 1ET400A module. The Apollon 1ET400A M is the solution that offers abundant power and remarkable precision, making it an ideal choice for professional studio applications and discerning audiophiles. Don't know about the Hypex, have not heard it and I doubt I could cofirm a difference unless it was a level matched A to B blind test with rapid switching between the two. 0dB when setting levels with the P452. It operates as a fully balanced amplifier from input to output, with individual power supplies for each amplifier channel and all line-level input circuitry powered by a separate linear power supply unit. EDIT2: Original measurement was made with an almost broken cable. Dec 12, 2017 · The 1ET400A has a DC offset of less than 10mV (is on the web site) which doesn’t normally produce a noticeable thump, so it doesn’t need trimming. VTV Purifi 1ET400A updates. 1 Oct 8, 2019 · It seems clear from reading all of what the Purifi team has said across this thread and other interviews that they believe the Purifi amps clearly sound superior to the older Ncore offerings. 5dB gain the Purifi amp works fine with the Denon 4700 using the Monolith XLR to RCA cables. So, yeah, looks like I followed Bruno's advice as well to try and compare by ear. ) Apollon Audio Input Buffer Board with OPA 1656 op amps Apollon Control Board for standby control Neutrik silver plated XLR line input socket Gold plated RCA input with selector switch WBT 0703 CU binding posts Pure UP-OCC 12AWG Solid Copper Speaker output wire 12V Trigger for wakeup from standby Jul 3, 2019 · I suppose both would be more than happy to switch to 1ET400A when its avaliable and release a Mk. The SMPS3kA400 would be good too. Company was kind enough to send me a complete, assembled kit consisting of two modules, power supply and case, ready to go. 00 excluding VAT. I will fix the other speaker cable tomorrow and run the stereo test. Jul 3, 2019 · Thank you all for all the replies and help. Jun 13, 2020 · There are many reviews of audio hardware and expert members to help answer your APOLLON PURIFI 1ET400A BASED MONO BLOCK AMPLIFIER = €1,190 X 2 = €2,380 May 28, 2020 · According to the Purifi data sheet the module sinad is about 117dB at 5 watts. Comparing measurements, it doesn't seem to be true in practice. True because when bridged, each amplifier sees half of the load. That 9W doesn't seem like much but it translates into heat. I put my 1ET400A build in a 90ish mm tall chassis. It's basically the difference between 25. 1ET400A is a single-channel, ultra-high performance, analog-input Class D Amplifier module capable of over 400W of power at an audio quality level that sets the standard for power amplifiers of any operating class. 130. Joined 2019. Feb 13, 2016 · We are proud to present AUDIOPHONICS HPA-S400ET, a class D stereo power amplifier based on two PURIFI 1ET400A modules. My Purifi amp is really clear and Jul 4, 2021 · The Purifi modules are being mass produced for many different implementations. Jan 31, 2023 · Purifi 1ET7040SA Multichannel Amplifier (6-12 Channel) I believe the that the Hypex SMPS3000A400 can be connected to a 30amp circuit to give maximum headroom. The additional power may be helpful for speakers that are less sensitive (closer to 80 dB vs 90 dB sensitivity). Looks great. Purifi Audio from Denmark, founded by Bruno Putzeys, Lars Risbo, and Peter Lyngdorf, together with a remarkable engineering team; and Orchard Audio, with a product developed from the creativity and entrepreneurship of Leonid (Leo) Ayzenshtat, in this case exploring the latest gallium nitride (GaN Feb 13, 2016 · This is a review and detailed measurements of the Nord Three SE 1ET400A Dual Mono Stereo Amp with the optional Sonic Imagery 990Enh gain stage. It has good reviews and is reasonably priced. Feb 3, 2022 · I concur, since really is more important with the 1ET400A to ensure an orderly transition, makes perfect sense for Purifi to alert major customers (notably OEMs) first. Apr 14, 2023 · This is a second review of the Buckeye 3-Channel Purifi based balanced class D amplifier. But of course if you decide to build a discrete buffer, you might need to make the input stage trimmable. 25A for the 1ET400A and provides 2X output power for each halving of impedance down to almost 2 ohms where the PS is the limiting factor. Dual PURIFI 1ET400A module. Y. Would not surprise me either if they took a less aggressive promotional stance overall given some overpromising on recent new product announcements. Imagine an amplifier that challenges every convention, compact yet powerful, lightweight yet robust. I’m looking at two amps from Apollon. Dec 21, 2019 · Please let me to take exception to share my Purifi DIY implementation. Similar electronically to the HPA-S400ET, this version is mounted in a more compact box making it easier to use in an environment where space is limited, its architecture also limits the length of the internal connections. Mar 1, 2018 · Purifi 1ET400A has great specifications but still maintains the same weakness as the Hypex NCore: a low CMRR compared to the good PSRR data. Jun 12, 2021 · There are many reviews of audio hardware and expert members to help I am very pleased with the Apollon Purifi 1ET400A 5 channel amplifier that I received a couple Feb 13, 2016 · This is a review and detailed measurements of the VTV Purifi class-D amplifier with the optional Weiss OP2-BA Op-amp (buffer/input gain stage). My space is limited and as everting is in a cabinet running temp is important also. Oct 23, 2019 · If the Purifi and the NC502MP are indistinguishable to your ear and feature taste then the NC502MP at 40% less (or more) than the Purifi seems like an easy choice. Purifi has taken the highly regarded 400A and refreshed it to bring even more state-of-the-art performance. Mar 25, 2018 · Review and Measurements of Purifi 1ET400A Amplifier. Modules will be available to DIY channel in Q4 of 2019. If you're building production amps, you want to get a reliable input gain stage design which can go into production. Specs are as follows: (2) Purifi 1ET400A modules (1) Hypes SMPS1200A400 The Purifi 1ET6525SA is the successor to the highly acclaimed 1ET400A. The amplifier is extremely light making you think there is nothing in the box! The back Jun 1, 2020 · 1ET400A and Eigentakt. Their range of web-direct Eigentakt-based mono, stereo and three-channel amplifiers starts at £625 and increases according to the number of channels, chassis type and connectors. Sep 15, 2024 · This is a review and detailed measurements of the Purifi 1ET400A Class-D amplifier module. Spoiler: Measurements Mar 1, 2016 · Review and Measurements of Purifi 1ET400A Amplifier. Oct 16, 2024 · A closer look at the Purifi 1ET400A Spec sheet confirmed my concerns about Bridging: Similarly, bridging two 1ET400A Designs will result in performance degradation as the circuit is not configured to sense the voltage differential that exists between the (now unused) OUT- terminals of the two 1ET400A Designs. Acording to Purifi, the slight performance degradation is due to the bigger FETs that are quite tricky to drive. Our tests indicate sonic improvements and increased ability to drive complex and low impedance loads. Aug 17, 2018 · -Freya+, Eversolo DMP-A6, Bluesound Node 2i, VTV Purifi, Buckeye 3 channel Purifi, Buckeye 2 channel NC252 MP, Emotiva PA-1 monoblocs, Onkyo RZ50, Topping D90SE, Revel F208, Infinity RC263, Kef surrounds, Monoprice M-10 V2, Infinity Sub R-12, LG C3 evo. They still run hot at idle, but not just as hot. Dec 23, 2022 · This is review and detailed measurements of the Buckeye 3 Channel Purifi amplifier based power amp. An indicator May 12, 2020 · There are many reviews of audio hardware and expert members to help answer your March Audio P451 Purifi 1ET400A Mono Blocks. I also think the the extra capacitor board offered on these amps my benefit the amp powering the low end on the speakers as have my preamp to send the low end frequencies to both my front and subwoofers. Jun 19, 2019 · This means that with an identical power supply, both 1ET400A and 1ET7040SA deliver the exact same power for loads above 3. Jul 6, 2021 · I considered the PURIFI 1ET400A 2 channel amp but was thinking they would benefit from the more power head room of the 1ET9040BA or 1ET7040SA. Power output is the same for mono. Jun 10, 2021 · Compared to a 1ET400A, it doesn't bring a lot for loads impedance staying above 3. 65: Posted on December 5, 2020 at 06:11:39 Mar 23, 2023 · Posted 7 hours ago I was looking at one of these amps for the front 3 on my HT Denon x6700H as the B&W's are very power hungrey. 3 Ohm Any OEM using an Hypex power supply and selling more than 210W in 8 Ohm for either 1ET400A or 1ET7040SA is misleading at best. I've had purifi 1et400a, nc500, and nc400 amps all powered by smps600/1200 psus with various input buffers. I must say this is one of the best packaging of class D amplifiers (Purifi in this case) that I have seen! It is slick and has Putzeys basically helped co-found Purifi to compete with Hypex and develop modules that outperform the Hypex modules he co-designed, but Purifi is buying and shipping Hypex power supplies? Kind of odd that it doesn't outperform the Benchmark AHB2 on most measurements either. These high performance Class D amplifier circuits each offer a very comfortable power of 200W (@ 8Ω) while making the most of Class D amplifiers high efficiency rating. Feb 25, 2020 · You should be able to run three 1ET400A from one SMPS1200A400. The 27dB gain for the Purifi would probably be a better fit for AVR's. I suggest that the 4-pin connector only really needs two pins to carry the hot and cold signals. Nov 29, 2023 · At the High End I met Purifi, and I was offered a sneak peek of the new 1ET9040BA. This evaluation module features two 1ET400A amplifier modules, connected to an FE02 front-end module. If only the 1ET400A used the same power supply as NC500, upgrades woule be trivial, just swapping modules, but no, the 1ET400A needs a different voltage than NC500 May 7, 2019 · Purifi 1ET400A is the evolution of those two modules, the DIY and the OEM. May 28, 2020 · I have seen the reviews by Amir of the Purifi 1ET400, NC500, and NC400 and they all measure well (with the Purifi and NC400 being the "better" for SINAD). The Purifi is technically better in all regards and lives no room for NC400 if positioned as the same price. Purifi eval board is retrofitted to my previous amplifier, so it has volume control, remote and input selector with RCA-XLR converter. Purifi 1ET400A Amplifier, 3-channel Specs (3) Purifi 1ET400A Jun 1, 2020 · 1ET400A and Eigentakt. Oct 27, 2021 · I have the Purifi and it's completely inaudible. It’s monaural -- you need two for stereo -- and pretty powerful, with a claimed output of up to 425W into 4 ohms, with not more than 1% total harmonic distortion (THD). It has a 40A current capacity v. After researching this forum it seems that all 3 choices will sound the same. Typical of Buckeye amplifiers, focus on what is inside rather the case which is utilitarian. It was kindly drop shipped to me by a member and costs US $1,699. May 6, 2018 · What is most interesting, is that the Purifi modules show some 20 deg celsius lower working temps than the Ncore ones. My preamp is Topping Pre90. In order to get the gate drive supply would a regulated +16V fine, then connecting Apr 12, 2019 · On Purifi website, we can read "Most frequently it is the system power supply that becomes the limiting factor in a application incorporating the 1ET400A module(s). Jul 3, 2019 · Purifi 1ET400A is the evolution of those two modules, the DIY and the OEM. Thread starter amirm; Start date Jul 3, 2019; Prev. You need to work out the power supply side and terminate with connectors to suit your power supply. Dec 12, 2017 · 1ET400A has a own buffer with the OPA1612 if I am not wrong. Jul 3, 2019 · This is a review and detailed measurements of the Purifi 1ET400A Class-D amplifier module. Apr 27, 2022 · As others have said, you won't hear a difference. LG 77C1 - Marantz SR7005 - Apollon NC502MP+NC252MP - Monitor Audio PL100+PLC150+C265 - SVS SB-3000 Jan 10, 2020 · There are many reviews of audio hardware and expert members to help answer your questions. It will be interesting to compare them to my March Audio P452 Purifi amp. 23”D. The second wave was based on B&O's ICEpower technology, again via a Bel Canto amplifier, the Ref1000M monoblock. I just reviewed the same amp but with SIL 994EnH-Ticha Pro buffer so you can compare them. Dec 5, 2024 · The new Purifi 1ET6525SA is finally live for ordering on our website! The 6525 serves as the direct replacement for the 1ET400A. The Purifi Eigentakt seems to be getting the most attention from reviewers. This ready-to-use version is designed for audiophiles needing a foolproof amplification solution, with a considerable power reserve as well as impeccable linearity. Jun 26, 2023 · I finally put aside enough cash to upgrade my 6 year old Emotiva BasX A-300 amp. But it’s easy enough to work out. Jan 8, 2025 · Introducing the 1ET400A ST, a revelation from Apollon Audio. This may explain why the Purifi amp review sample shut down during power testing. It was sent to me by the company after member request and costs 1 490,00 € (US $1,638). Used in the Bel Canto eVo 200. See Purifi-Audio DATASHEET here. The Purifi 1ET7040SA DM Luc Dual Mono Amplifier and the Hypex NCx500 DM Lux Dual Mono Amplifier. 5dB so you may not want to run the Purifi design much hotter than 26. On the other hand, this does indicate that one SMPS 1200 does not support the full operational envelope of the Purifi modules. Aug 29, 2020 · March Audio P452 Class D amplifier using Purifi 1ET400A chip with Alan's custom input buffer. VTV Purifi Manual here ASSEMBLED IN THE USA — 30 Day Trial This is a brand new amplifier featuring: —Vacuum Tube Buffer using 6922 vacuum tube…. So it seems reasonable to conclude that this new 6525 amp will also be limited to that level regardless of how much better this new module performs. Those 22 dB of difference in the CMRR measurement between the two modules are excessive, maybe these resistances have a tolerance of 5% or 10%. As you see, the case is utilitarian. Feb 13, 2016 · This is a review and detailed measurements of the Purifi 1ET400A Class-D amplifier module. " Apr 26, 2023 · The Purifi 1ET400A 3-channel amplifier, as its name implies, is a 3-channel amplifier that utilizes Purifi 1ET400A modules. Purifi 1ET6525SA Power Specs: 230w into 8ohm 450w into 4ohm 510w into 2ohm Custom Input Buffer Board w/: Feb 8, 2018 · The 1ET400A has much less distortion though, both at 5 watts and at power. That would have been true before Purifi became a thing. You can get the same chip at about a quarter of the price fr Sep 17, 2020 · Purifi : measures stunning in all areas, and became cheaper. 1. The Purifi is power rating is 250/500/950 watts at 8/4/2 ohms. Still hoping for a July availability (at the latest). They are only terminated with connectors on the Purifi side. 2 TM build, Dayton C-Note build, Carmody S2000 build, Selah Integrity build, GR XL-S Encore and LGK2 builds, Bagby Mandolin build, Purifi SPK5 rebuild Nov 18, 2019 · It’s true that few users will be running their amps at a continuous 160+ watts per channel into 4 ohm speakers. The easiest approach: Hypex SMPS1200A400 OR: take a regulated Connex supply configured for +-65V. Do people May 14, 2019 · We are excited to offer the Purifi 1ET7040SA module, the latest from Purifi. Dec 23, 2019 · Much has been written about the technical aspects of Purifi’s PTT6. This opamp has very good PSRR and CMRR. ". NOTE:WHEN YOU ORDER THIS AMPLIFIER IT WILL COME WITH THE NEW 1ET6525SA MODULES INSTEAD OF THE OLD 1ET400A MODULES. rich sound and full sound that delivers warm tube sonics. Dec 5, 2020 · Model: Purifi 1ET400A Stereo; Category: Amplifier (SS) Suggested Retail Price: $1429; Description: Purifi 1ET400A module-based stereo amp with VTV i/o buffer Jun 13, 2020 · Putting aside aesthetics, case design / quality, size / weight, warranty - please step forward if you believe any of these 1ET400A based amps have stood out or should stand out as sonically superior in a blind test and explain why? (op-amp, psu, wiring, snake oil etc etc. Feb 7, 2020 · You won't notice distortion with the Purifi on your Denon 3700. Dec 1, 2018 · Note that the lower distortion advantage of Purifi 1ET400A gets lost in the above below max power since noise dominates THD+N. In the case of the 1ET400A, the current limit is reached before the voltage limit for impedance below 3. Both channel of the amplification circuit uses its own PURIFI 1ET400A module. Adding RCA plugs to the Purifi build adds cost for everyone while most will use it with XLR DAC's and Pre-amps. 5 woofer technology including HiFiCompass’s extensive objective measurements linked above and Amir’s objective measurements of the 1ET400A amplifier. Instead, my focus is on the overall assembly of the unit: From high level Nov 29, 2019 · Also, the 1ET400A module is grounded to chassis by its heat-sink fixing screws. Jul 3, 2019 · -Freya+, Eversolo DMP-A6, Bluesound Node 2i, VTV Purifi, Buckeye 3 channel Purifi, Buckeye 2 channel NC252 MP, Emotiva PA-1 monoblocs, Onkyo RZ50, Topping D90SE, Revel F208, Infinity RC263, Kef surrounds, Monoprice M-10 V2, Infinity Sub R-12, LG C3 evo. dcpyeaz muzqphn viopj efihqe fiso kazjk moh tykoqn adev vgkfqj