Purifi Eigentakt Review, 2nd generation EIGENTAKT PURIFI 1ET6525SA (successor to the 1ET400A) pogo Aug 25, 2024 Prev 1 … Description VTV Purifi Eigentakt Stereo Amplifier based on Purifi EVAL-6 Assembled in the USA — 30 Day Trial — Two Year Warranty Prompt Support from the USA 1ET-6525SA Datasheet Here This is a brand new amplifier featuring: —Speakon in addition to banana speaker outputs (just like Bruno’s demo amp) —EMI/RFI filtered AC inlet —12V trigger control option available —Custom designed En Purifi Eigentak was wéér een forse stap. I'm interested in comments about the new-ish NAD M23 amp. When I buy a Purifi amp the dependability, timely order fulfillment and willingness of the builder to go the extra mile is what decides who my next order goes to - NOT a difference of 2-3 dB in SINAD even if real. Comparing the Eigentakt to the mono-blocks with either the Purifi Sparkos 3602 or the Weiss OPA-2BA op-amps, I could barely tell a difference. This behavior reminded me of the difference which insufficient or no gain can make between a pure passive and a superior active preamp like Gryphon's Zena just in for review. Nu hadden we deze veel eerder willen doen, maar ja: tijd enzo. There may have been a touch more warmth in the crescendo peaks of the female vocals with both monoblocks. also has a bridged output and the highest power of any Purifi. 4 days ago · 2 Channel Buckeye Amps Purifi Eigentakt 1ET400A Stereo Class-D Amplifier For Sale 3 reading Leave A Review Message 68 views 1 reply 2 participants last post by theveo 1d ago T tc2007 Discussion starter This is a review high on our readers’ wish list: the Purifi EVAL1 DIY amplifier (stereo) versus the NAD C298. They changed from 1 channel ET eigentakt technology 400 watts into 4 ohms A amplifier to 1 channel ET eigentakt technology 65 volts input 25 amps output max S single? that is, not bridged A amplifier another one 1 channel ET eigentakt technology 90 volts input 40 amps output max B bridged A This is a review and detailed measurements of the Purifi 1ET400A Class-D amplifier module. From the press release: "The Eigentakt modules are manufactured by NAD under license from Purifi, allowing NAD to optimise these specifically in combination with the custom designed power supply and input stages of the C 298. Its compact size and exceptional reliability make it suitable for a Buckeye Purifi Eigentakt 1ET9040BA monoblock power amplifier Measurements | Stereophile. Both Nord's interpretation of Ncore 500 and Auralic's—of uCD400 strategically modified to lower THD of the stock module beyond the 4 th harmonic—were similarly warm to Purifi. The first review had some early product boards. It sets a new benchmark for audio quality across all amplifier classes. I'm very interested in the new Purifi Eigentakt-based monoblock amps which are supposedly the successor to the NC400 Hypex, bringing with it improved bass among other things. The Class D Purifi Eigentakt sounds compressed (lack impact), at loud level, the sounds of each instruments are not as delineated, and the high frequency triangle and cymbals are not very clear in comparison to benchmark AHB2 or levinson 333. In addition, the EVAL1 is running at your author’s home, just like the NAD C298 (recently purchased two of them). Tier 1 Purifi Eigentakt Tier 2 Hypex nCore ICEpower ICEedge Tier 3 ICEpower HCOM Hypex UcD Pascal Tripath Looking forward to more Purifi and ICEedge amps being released. Utilizing a Bridge-tied-load and a robust 40A output current, along with up to Thanks to PURIFI's innovative Eigentakt technology and the option of equipping it with analog input modules featuring TI/BurrBrown op-amps or digital input modules featuring ESS DACs, this amplifier is the ultimate choice for those seeking reference-level sound, high power, and extreme efficiency in a compact package. It didn't turn 90% of my music-first library into rejects because its production values aren't up to purist par. It gets rave reviews on the Absolute Sound channel, by Doug Schneider and by the review at Sou I also gave my impressions of the sounds of the speaker and amplifier evaluation kits Purifi sent me, as listened to in a typical two-channel setup. MadVR DSO. And to make it more complete: put ICEpower next to it. Buckeye Purifi Eigentakt 1ET9040BA monoblock power amplifier Stereophile Measurements pma Dec 20, 2024 One more question, much fuss has been made about the Purifi 1ET400A Eigentakt by reviewers. Daarbij staat de EVAL-1 bij uw auteur thuis te draaien, net als de NAD C298 (onlangs twee van aangeschaft). 1%): - 375w @ 8ohm (peak) - 750w @ 4ohm (peak) - 1400w @ 2ohm (peak) 40A output current Custom Input Board: Neutrik XLR connectors Gold plated 5-way speaker binding Eigentakt — German for self-pulsing and the name lent by co-developers Lars Risbo and Bruno Putzeys to the self-oscillating Class D amplifier technology slowly emerging from under their Purifi umbrella that also includes, among others, Peter Lyngdorf and is simultaneously tackling loudspeaker EIGENTAKT - Ultra Linear and Robust Class D Amplifier Technology The EIGENTAKT Class D Amplifier Technology from PURIFI is the result of extensive research and patented IP aimed at addressing persistent challenges in Class D technology. I primarily used my Audio Precision SYS2722 system, repeating some of the testing with the magazine's higher-performance APx555 system. Dayton OmniMic giveaway. " Similar threads Buckeye PURIFI 1ET9040BA Amp Review amirm Jan 5, 2026 Stereo and Multichannel Amplifier Reviews 22 23 24 Replies 477 Views 58K Today at 6:17 AM Purifi probably sets its priorities differently. One week ago I then read the thread about the Buckeye Purifi Eigentakt 1ET9040BA monoblock and contacted Audiophonics and Purifi Solid State Power Amp Reviews Buckeye Purifi Eigentakt 1ET9040BA monoblock power amplifier New Auditions Follow-Up: New Auditions, from June 2025 The issue of how to balance and mesh measurements and subjective observations is interesting and rich. En Purifi Eigentak was wéér een forse stap. Eigentakt drives that to it limits by including additional gain stages within the loop with those stages being dropped in and out according to operating conditions including output level. It translates in self-oscillating, which in turn exactly describes the characteristics of that very Class D amplifier. Now that Marantz has introduced the 2nd generation (9040) in collaboration, T+A, NAD, will also cost resources. Microsoft Movies & TV shuts down. . Announcing our new Purifi 2nd generation EIGENTAKT 1ET9040BA Monoblock amplifier! Purifi 1ET9040BA Power Specs (1kHz, THD = 0. I also gave my impressions of the sounds of the speaker and amplifier evaluation kits Purifi sent me, as listened to in a typical two-channel setup. New NAD Masters V2 series: M33 V2 and M23 V2 push the boundaries of modern hi-fi with Purifi Eigentakt, BluOS and Dirac Live. Jul 31, 2025 · Here is the 2nd Stereophile review of the Purifi/Buckey monoblocks, but with the proper functional Purifi production boards. One kit was the Eigentakt stereo amplifier, a small, DIY-type case housing two 1ET400a modules, a Purifi-designed gain board, and a Hypex power supply. In general, the continuous power ratings and 2 Ohm stability with these new Purifi modules paired with minimal heat emission (vs older Hypex, or class A or A/B amps), low power consumption and compact form factor in a very nice implementation objectively represent an excellent HiFi value. The new 9040 is the first "2nd Generation Eigentakt" circuit. It delivers more than 400w/4Ω with 131dB (A) dynamic range, 12. Description The 1ET6525SA is a single-channel, ultra-high-performance, analog-input Class D amplifier module capable of delivering over 450W of power. Nu zijn we aanbeland bij de laatste generatie van Hypex: Nilai (en in zekere zin nCoreX voor de OEM-tak). Have you seen this on youtube? Buckeye Purifi Eigentakt 1ET9040BA monoblock power amplifier Stereophile Measurements pma Dec 20, 2024 Triangulations. The 1ET9040BA is the next generation of Purifi EIGENTAKT Class D amplifier technology. 00017% and output noise of 11. What is it that distinguishes the Eigentakt from the NCX500 or Nilai (if anything)? Eigentakt — German for self-pulsing and the name lent by co-developers Lars Risbo and Bruno Putzeys to the self-oscillating Class D amplifier technology slowly emerging from under their Purifi umbrella that also includes, among others, Peter Lyngdorf and is simultaneously tackling loudspeaker The Purifi 1ET6525SA is the successor to the highly acclaimed 1ET400A. Ook een Eigentakt eindversterker. Anyway, It's a difficult decision? 🤔 The Hypex Nilai DIY Kit and NCX500 are new'ish both have good reviews, as does the purifi that has been about a bit. In my opinion, looking at datasheets and how THD+N behaves in the 3 frequencies on various loads, and IMD artifacts. So reviewi With the Purifi amp, this music was perfectly enjoyable despite its many technical flaws. Within such a shared climate however, the first two also presented lower magnification power. In early June I bought a complete amplifier from Audiophonics with two of the 1ET9040BA Purifi amplifier modules for approximately 3000 €. Dec 19, 2024 · His line now includes amplifiers featuring the newest Hypex NCx and Purifi Eigentakt modules, of which the subject of this review is, to date, the most powerful. 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. Now we would have liked to do this one much sooner, but well time and all that. Purifi Amplifier range using EIGENTAKT technology Purifi 1ET400A, 1ET7040A and 1ET9040BA modules that we integrate in its Hypex Amplifiers. Just as the first generation EIGENTAKT amplifiers redefined consumer performance, the 2nd generation EIGENTAKT 1ET9040BA builds upon this proven performance and advances Class D amplifiers to a truly State of the Art offering. I was looking at high current Class AB amps for the Magnepan 1. Elevate your audio experience with the Purifi 1ET9040BA amplifier, featuring Weiss OP2-BP Op Amps and a custom-designed power supply for impeccable sound clarity. The Class D Purifi Eigentakt sounds compressed (lack life -like impact), at loud level, the sounds of each instruments are not as delineated, and the high frequency triangle and cymbals are not very clear in comparison to benchmark AHB2 or levinson 333. Just because I value my character, here is a screenshot of my alerts earlier, where one thread has "2nd Gen Purifi EIGENTAKT" in its title and this thread, which has "2nd Generation EIGENTAKT Purifi". When it arrived, NAD's two-channel Purifi-based power amplifier was observably not in the Masters Series but rather their more affordable, less luxurious "C" (for "Classic") series. Also an Eigentakt power amplifier. And Purifi Eigentak was another substantial step in class D. Sep 19, 2024 · Elevate your audio experience with the Purifi 1ET9040BA amplifier, featuring Weiss OP2-BP Op Amps and a custom-designed power supply for impeccable sound clarity. It runs at higher switching frequency and has higher bandwidth. 8dB of gain, THD+N below 0. Purifi's first amplifier invention is the 1ET400A mono module. How does it compare to competitor Purifi Eigentakt? We explored it for you in this livestream. 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. By leveraging 2nd generation Eigentakt ErrorCorrection, it achieves the highest level of performance. Both sounded thicker, less nimble and, on a whole, slower, cozier and by contrast somewhat opaque and Guys I need your advice. The M23 auditioned here, available in just a silver finish, is its latest amp to feature high-performance Purifi Eigentakt Class D technology, following in the footsteps of the £3999 M33 BluOS-capable integrated [HFN Aug '20], the seven-channel £4499 M28 power amp, and the more affordable £1749 C 298 stereo amp [HFN Oct '21]. Conservatively rated Reshuffle. Building on NAD’s long tradition of identifying and developing cutting-edge amplification technology, the M23 HybridDigital Stereo Power Amplifier features Purifi Audio’s Eigentakt™ design, a once-in-a-decade innovation that virtually eliminates harmonic and intermodulation distortion. Rob reviews the Apollon Purifi 1ET6526SA ST Amplifier. Now music's innate tension Purifi's first amplifier invention is the 1ET400A mono module. Mar 19, 2025 · The Purifi 1ET9040BA balanced Class-D amplifier module, a Bridge-tied-load (BTL) output stage, is the second product in the company's Eigentakt range. Thanks to Purifi's highly efficient Eigentakt™ design and NAD's proven switch-mode power supplies, the M23 excels in all three areas – without the excess weight and cost of the old-fashioned linear power supplies and class-AB output stages used with traditional amplifiers. Company was kind enough to send me a complete, assembled kit consisting of two modules, power supply and case, ready to go. En hebben er nog een ICEpower naast gezet. Hoe verhoudt zich dat tot concurrent Purifi Eigentakt? We hebben het in deze livestream voor u onderzocht. 7i, as I hear that is what is optimal, but they would run Rob reviews the Apollon Purifi 1ET6526SA ST Amplifier. What is it that distinguishes the Eigentakt from the NCX500 or Nilai (if anything)? One of the designers (Bruno Putzeys) wanted to change loop structure to improve load tolerance Bruno Putzeys on A value-oriented shopper might thus consider NAD who became one of the first Purifi licencees; or direct-selling brands like Nord Acoustics who additionally offer two tiers of enclosures. " One more question, much fuss has been made about the Purifi 1ET400A Eigentakt by reviewers. To my mind, this amp then struck an ideal very practical balance. com Sidebar 4: Measurements I performed a complete set of measurements on one of the Buckeye Purifi 1ET9040BA amplifiers. Het is een review die hoog op het wensenlijstje van onze lezers staat: de Purifi EVAL1 zelfbouw versterker (stereo) tegenover de NAD C298. The first session had the Purifi amplifier sound overly relaxed, mellow and a bit monochromatic. In partnership with Purifi, Marantz developed a new amplifier, two of which are used to achieve dual-mono operation. The C 298 employs the same Eigentakt modules used in the M33 and M28, "but the power supply and input circuitry is specific to the C 298. The interrelated qualities of drive, presence, robustness and materialism compromise. The friendly hi-fi audio and music discussion forum The specific name "Eigentakt" is the type of German language that can't be found in the standard dictionaries. Now we have arrived at the latest generation of Hypex: Nilai (and in a way nCoreX for the OEM product line). Noise is inaudible, for a completely black background and exquisite micro-detail. 5μV (A) with sub 50μΩ output impedance. If you want a great true monoblock for a similar price, the Buckeye Amps PURIFI 1ET6525SA Monoblock (2nd Gen EIGENTAKT) for $850 USD/each shipped is a fantastic option. tnoga7, j445sj, h1lnp, 10vtg, f8yk, 3buxi, tm0n8, lpidnv, rov0i6, y7fep,