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AHB2 Driving Hifiman Susvara Headphones - Sandu Vitalie, SoundNews.net
"When I’ve received the mighty Hifiman Susvara, I felt overwhelmed by…disappointment. I said to myself: “This is really it? This is how the world’s best headphones are sounding?”"
"Months later, I’ve received a special adapter cable so I could power them with all sorts of integrated and power amplifiers (speaker amplifiers) and that’s when I felt connected to the all known universe, turning them into a gemstone of a headphone."
AHB2 - As a Headphone Amplifier - "My Daily Driver V2.0"
"Holy mother of Thor, this is dynamics, speed, transient response, resolution and transparency incarnate into a single metal box. There isn’t a clearer, a more resolving or a more transparent sounding amplifier out there, this is a wire with gain amplifier that doesn’t add anything into the mix."
"You can’t get a more impactful, a faster or cleaner sounding amplifier.
Resolution/Details: 10
Transient Response: 9.5
Dynamics: 9.5
Tonality: 7.5
Power/Control: 9
Stage Size: 8
Overall Score: 8.92
AHB2 Headphone Adapter Cable (SpeakON™ NL4 to XLR4):
!Two Benchmark AHB2 Power Amplifiers in Bridged Mode!
"380 Watts in 8 Ohms or around ~55 Watts in 60 Ohms…this is the pure definition of overkill."
"Be prepared hearing the most impactful Susvara, can it ever be too much bass slam and impact? It can! Electronica could become tiresome in the long run, it’s way too impactful sounding, but oh boy… I’ve never heard such dynamics anywhere else."
"This is next level, but if you already have an AHB2, I wouldn’t get a second one only for your Susvara. I’ve got the second one for my loudspeaker setup."
Resolution/Details: 10
Transient Response: 10
Dynamics: 10
Tonality: 7.5
Power/Control: 10
Stage Size: 8
Overall Score: 9.25
- Sandu Vitalie, SoundNews.net
Also in Reviews
AHB2 - A-Rated Recommended Power Amplifier - Stereophile
AHB2 - Receives Stereophile's Highest "A" Rating for Power Amplifiers
"Benchmark's AHB2 makes use of THX Corporation's Achromatic Audio Amplifier (AAA) technology, in which a low-power feed-forward amplifier drives a low-bias class-AB output section."
- Stereophile, 2023
"Much more apparent low-level detail in already-familiar recordings" - Kalman Rubinson
"A tonal balance that sounded more 'right' than any of [the other amps on hand]." - Kalman Rubinson
"An extraordinary amplifier." - John Atkinson
LA4 - Class A Recommended Preamplifier - Stereophile
LA4 - Receives Stereophile's Highest "Class A" Rating for Preamplifiers
"Benchmark's usual approach to design is to out-spec the competition, and so it is here. Like other Benchmark equipment he has tested, the affordable LA4 challenged the resolution of John Atkinson's test instruments, with 'superb' channel separation, 'extremely low noise, and virtually no power-supply-related spuriae.'"
"Benchmark's LA4 is the widest-bandwidth, widest-dynamic-range, lowest-noise, lowest-distortion preamplifier I have encountered." - John Atkinson
"In his listening room, Kalman Rubinson compared the LA4 to a cable—and couldn't hear any difference. He concludes, 'the LA4 is probably the most transparent and revealing audio component I've ever used. It does not seem to leave any fingerprints on the sound.'"
- Stereophile, 2023
DAC3 - Class A+ Recommended Processor - Stereophile
DAC3 HGC, DAC3 B - Receive Stereophile's Highest "Class A+" Rating
"The DAC3 B is a stripped- down, lower-priced version of the DAC3 HGC, which omits the headphone amplifier, balanced and unbalanced analog inputs, volume, mute, and polarity controls." - Stereophile
"The DAC3 was all about depths, in several respects...I heard deeper into the music."
"All I can say is Wow!"
- John Atkinson
"In a Follow-Up, JCA wrote of using the Benchmark processor with the same company's AHB2 power amp—a combination of high source output voltage and modest amplifier gain that he describes as 'optimal for minimizing noise and distortion' —and reported hearing 'richer and more interesting' reproduction of very subtle details."
- Stereophile