Audiophilepure

https://www.soundstagehifi.com/index.php/equipment-reviews/2126-nad-masters-m33-v2-streaming-integrated-amplifier

However, if you really want to go all out, you have the option to bridge the M33 V2’s internal amplifier and use it with a separate NAD Masters M23 V2 power amplifier (US$4999) to provide a claimed >700W into 8 ohms for each channel. I utilized a pair of the original M23s in my review of the Masters M66 and found that they sounded incredibly powerful and precise in bridged mode, with seemingly limitless power. The ability to bridge the internal amplification is a killer application for both versions of the M33, at least for those who have the finances. And adding a power amplifier in this manner to an existing integrated amp is considerably less expensive than assembling a comparable system of separates from scratch.

Still wearing the crown

The NAD Masters M33 V2 costs more than the original M33 did when it was introduced five years ago, but then again, so do most things. There’s more competition for streaming integrated amplifiers with room correction on the market now, yet the V2 more than holds its own against its competitors. Considering its flexible DSP features, high power, and the ability to significantly increase its output by adding an M23 V2 power amplifier in bridged mode, this latest version of the M33 is still the front-runner in this product category, even if the competition has gained some ground.

https://www.soundstagehifi.com/index.php/equipment-reviews/2123-synthesis-art-in-music-roma-510ac-signature-integrated-amplifier

Finally, I conducted a brief comparison between the Roma 510AC Signature and my reference amplification setup, Bryston’s BR‑20 streaming preamplifier (US$6995) and 7B³ monoblocks (US$7695 each) using the China Crisis LP mentioned above. The Synthesis amplifier presented a somewhat more intimate acoustic perspective, with a smaller soundstage than the one thrown by the Bryston setup. In contrast, images through the Roma were denser and more corporeal. The Bryston sounded more open and airier, but the Synthesis countered with a fuller, more saturated tonal palette. While the Roma was not quite as neutral or revealing of low-level detail as the Bryston, it imparted a distinct sense of character that suited the recording. I heard slightly less delicacy and air with the 510AC compared to the Bryston, yet voices and instruments possessed greater physical presence. Ultimately, the Roma traded a measure of analytical precision for a more seductive and immersive presentation. The Bryston provided greater extension both at the very top and bottom of the audible spectrum, delivering more grip and articulation, but with slightly less bass fulness.

https://www.hifinews.com/content/gryphon-antileon-revelation-power-amplifier

The Berliner Philharmoniker/Simon Rattle recording of Mahler’s Symphony No. 2 [Warner Classics; 44.1kHz/24-bit] found it getting into a gentler groove, conveying quieter passages with a soft, deft hand and painting a big, set-back picture of the orchestra. But the thundering percussion of I. Allegro maestoso arrived as a reminder of its latent power and dynamic flair. I don’t say this lightly, but the Antileon Revelation is perhaps the best power amplifier I’ve yet heard.

Our hi-fi world is not short of high-end power amplifiers, but Gryphon’s new ‘lion-like’ Class A model might just be the king of the sub-£50k jungle. Exquisitely styled and meticulously constructed, the Antileon Revelation nails the ‘pride of ownership’ brief while offering a performance of staggering power, scale and detail. Audition at your own risk, because once you’ve heard it, you’ll have to own it.

https://www.soundstagehifi.com/index.php/reference-components/2050-recommended-reference-component-simaudio-moon-761-stereo-mono-amplifier

The Moon 761 distinguished itself in other ways. Doug found it subtly quieter than the Anthem with no music playing despite its higher gain, and he regarded its substantially heavier construction, excellent machining, refined industrial design, and more polished operating behavior as far superior. From its graceful startup sequence to its exceptional fit and finish, the Moon 761 conveyed the sense of a thoroughly engineered flagship product. Combined with its ten-year warranty and trouble-free operation throughout more than two years of use, those qualities reinforced the amplifier’s premium positioning and helped justify its price in Doug’s view.

Simaudio’s Moon 761 earned a Reviewers’ Choice award at the time the review was published because of its reference-quality sonic performance without obvious weaknesses. The many positive attributes that Doug pointed out also makes it deserving of our Recommended Reference Component award. The Moon 761 combines high transparency, authority, low noise, abundant power, and meticulous craftsmanship into a complete package that can serve as a meaningful benchmark against which other high-performance power amplifiers of any price can be judged.

https://pt.audio/2026/08/30/dan-dagostino-momentum-z-mono-amplifier-review

Since my Alexx V arrived, very few upgrades have moved the entire system this far forward. The Dan D’Agostino Momentum Z is one of them. This is not a small refinement to the Momentum formula. To my ears, it is a step function. I am hearing things from the Alexx V at whisper quiet levels and at the other end of the volume knob that I simply had not heard before.

What makes this even more interesting is where D’Agostino goes from here. Out of the gate, the C2Z and Momentum Z combination felt like it was nipping at the heels of the Relentless systems I have heard. Dan and the team have already moved the goalposts again, taking the Z technology into the new Relentless Z Preamplifier, Relentless 800Z, and Relentless Epic 1600Z. That tells me the Momentum Z was not just another product cycle. It was the beginning of a new architecture for the company.

I also cannot stress enough how much I love that they managed all of this while staying true to the original Momentum form factor. The Z is heavier, more complicated, and much more ambitious inside, yet it still looks and lives like a Momentum. It fits on a normal rack shelf. At this level, that matters more than it might sound.

If you own an S250 or M400 and can swing the cost, the Dan D’Agostino Momentum Z gets my highest recommendation. In fact, if I were choosing between this and chasing the next source upgrade, I would do the amplifier first. The Z lets you hear more of everything already in front of it. I am hearing things from my Alexx V, at extremely low and extremely high volumes, that I simply have not heard before.

https://pt.audio/2026/08/09/heaven-11-billie-mk-3-review

Mids and treble conveyed satisfyingly on Be Quiet as well, as a lovely sense of balance ruled the day. Molvaer’s trumpet sounded especially vibrant while retaining its correct tonal balance and brassy color. I was also impressed by the complex timbre of the piano, which is especially difficult to capture and reproduce on many recordings. This one seems particularly good, and the Heaven 11 Billie Mk3/BMR monitor combo captures it exceptionally well, especially at the price points of the components. Ditto for the final cut of Be Quiet, which features a lovely duet between cello and trumpet. As a shout-out to the midrange, the cello acquitted itself with an appropriately rosiny growl that really got my attention the first time I really sat in the listening seat and truly absorbed it. My son is an accomplished cellist, so I’ve heard that instrument played live more times in my home than I can count, and that rendering sounded darn near real via the Heaven 11 Billie Mk3 playing through the BMR monitors. Highs were airy and effervescent, signaling an excellent match between the Heaven 11 amp and the Philharmonic speakers’ air motion transformer tweeters. I don’t usually pay excessive attention to the treble, provided it doesn’t call too much attention to itself, sounding peaky or brittle. Here, it was anything but, leaving me slack jawed over my pure enjoyment of it. I suppose the treble in this case did bring itself to my attention, but in a very positive light!

https://www.hifinews.com/content/pathos-tt-anniversary-integrated-amplifier

A clearer male vocal was in evidence on ‘Love Is A Long Road’, one of the deeper cuts on Tom Petty’s Full Moon Fever album [MCA; 96kHz/ 24-bit]. Petty’s instantly recognisable drawl cut through the supporting jittery keyboards and simple, hooky guitar riff. Confirming its value-for-money status, the TT Anniversary made it sound organic, powerful and smooth – a winning combination.

Hi-Fi News VerdictThat Pathos’ debut amplifier has remained in production for over 30 years is testament to its appeal – and a reminder that all-analogue, fuss-free integrateds will surely never go out of fashion. The TT Anniversary doesn’t dazzle with slick features (unless you count its motorised controls) but charms with an addictive sound of warmth, richness and tonal subtlety, underpinned by a hefty, authoritative bass.

https://www.enjoythemusic.com/superioraudio/equipment/0826/Esoteric_S_05XE_Class_A_Stereo_Monoblock_Amplifier_Review.htm

It was during the second half of this score, titled “The Sacrifice,” that I turned the preamp volume louder than its already high level. Despite the brilliant pandemonium from my speakers, I heard zero distortion through the Esoteric S-05XE, even during the piece’s most climactic scenes. At this formidable volume, the orchestra played with strings and winds madly in variable time signatures, overlaid by a battery of percussion.

It was during the second half of this score, titled “The Sacrifice,” that I turned the preamp volume louder than its already high level. Despite the brilliant pandemonium coming from the speakers, with the orchestra’s strings and winds madly playing in variable time signatures while overlaid by a battery of percussion, I heard zero distortion through the Esoteric S-05XE, even during these climactic scenes.

But the sound quality of the Esoteric S-05XE offered more than I could describe using my admittedly often-overused audiophile vocabulary. What I heard from it was a very musical sound, letting me hear more than I already described. What this amp did was convey the music’s meaning, its indescribable emotional backing.

This made me involuntarily picture Bernstein’s enthusiasm on the podium, along with images of the dancers on stage from the reimagining of the original ballet when I saw it nearly 25 years ago. I’ve heard this masterful score countless times, yet I still feel an emotional connection to it. This only happens to me when I hear music or when I’m listening through the very best high-end audio equipment. Which, of course, includes this Esoteric Class A power amp.