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Front view of the black STAX SRM-T8000 electrostatic headphone amplifier with control knobs and output jacks
  • Front view of the black STAX SRM-T8000 electrostatic headphone amplifier with control knobs and output jacks
  • Silver electrostatic headphone amplifier by STAX, featuring ventilation grids and control knobs.
  • Rear view of STAX SRM-T8000 electrostatic headphone amplifier showing input and output connectors.
  • STAX SRM-T8000 electrostatic headphone amplifier with headphones resting on top, black design with control knobs
  • STAX SRM-T8000 electrostatic headphone amplifier with three pairs of electrostatic headphones against white background
STAX SRM-T8000 Electrostatic Headphone Amplifier

STAX SRM-T8000 Electrostatic Headphone Amplifier

$6,090.00

The SRM-T8000 sets a new standard for STAX's amplifiers. It boasts a more open, dynamic sound than the SRM-727II or SRM-007tII when paired with the power hungry SR-009 and SR-007MK2. The look and feel is classic STAX. For those looking to keep with STAX branded amplifiers only, there is no better choice.

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ColorBlack
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Description

SRM-T8000 is Stax’s latest flagship electrostatic headphone amplifier utilizing hybrid technology. It employs two 6922 in the input stage, driving a Class-A solid-state output stage. The vacuum tubes isolated in a separate section made of vibration-proof damper and shield cover to eliminate vibration and noise. The high-capacity large toroidal transformers and selected high-quality parts allow the highest refinement in sound.

Specifications

● Frequency response: 1Hz – 115kHz / when used with one earspeaker
● Gain: 60dB (x1000)
● Harmonic distortion: 0.01% /1kHz
● Input terminal: LINE1/LINE2 (RCA), LINE3 (XLR), LINE4 (optional input for future)
● Rated input level: 100mV (at 100V output)
● Input impedance: 50kΩ (RCA) / 50kΩx 2 (XLR)
● Maximum output voltage: 470Vrms (1330V p-p)
● Mains voltage: AC120V/60Hz
● Power consumption: 95W
● Operating temperature: 0 to 35 degrees C (less than 90% humidity, non condensing)
● Dimension: 320 (W) x103 (H) x395 (D) mm (protruding portion included)
● Weight: 7.3kg

Overall rating: 5.0 / 5 from 5 reviews.

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Reviews

Stax SRM-T8000 is perfect for SR-007MK2

"I actually got to hear this amplifier at the HeadAmp room at the Florida International Audio Expo, powering the Stax SR-007Mk2 and SR-009S, along with many other TOTL headphones and amps. For my music tastes, this amp and the 007Mk2's were the sweet spot for me. Along my musical journey I made several lower-cost stops between then and now, but am finally in a place to afford my endgame setup. I ordered this amp, and it was delivered incredibly fast and well-packaged. The sound quality is incredible, this amp clarifies more detail on my headphones than the Woo Audio ES8 it's replacing. I can hear every little detail in my music, it's like a thin piece of cloth between the headphones and my ears has been removed versus the other amp. Is this amp worth the price of $6k? I believe so, the sound is so much better than any dynamic or planar headphones I've ever heard, and the pairing with the SR-007MK2 is perfection. I would buy it again in a heartbeat, and I highly recommend this amp to any Stax headphone user."

— Max C. (5/5)

Just Right

"Solid, confident sound, very musical and three-dimensional. No real sound signature: it just gets out of the way of the groove. Clearly a big step up from my SRM-700S and SRM-007tII. More detailed and revealing than either with no sense of fatigue or aggressiveness. I find myself listening for hours without a break, and that's what it's about. I listen to jazz, art rock, and some classical. Tested with X9000, 007S, 007A, 009. Source: Mac Mini -> Audirvana Origin -> Benchmark DAC3B -> Benchmark HPA4 via Canare balanced interconnects."

— Michael G. (5/5)

A Truly Unique and Outstanding Amp

"I received this amp a week ago on January 18, 2025. I purchased the package deal from HeadAmp that included both the STAX SR-X9000 earspeakers and the STAX SRM-T8000 amplifier. I couldn't wait to give it all a try. Like many of you out there, my setup is in the process of being upgraded in terms of components and cables in a never ending quest for sound perfection. Despite all my current midlevel gear, the SR-X9000s along with SRM-T8000 provide the best sounding listening experience I have ever experienced. And these earspeakers and the matching amp aren't even broken in yet! The details I am hearing exceed those I was able to hear with the Abyss Diana TC, a spectacular headphone. Before these STAX pieces arrived, the Dianas were undoubtedly my best headphones in terms of depth, perfect separation of the vocals and instruments in the track, soundstage, precision, and speed. The Diana's ability to pick up every single sound in a recording is truly amazing. I am delighted to say the SR-X9000 and SRM-T8000 combo does all the Diana does and does it even better. The SR-X9000s and SRM-T8000 are truly an endgame pairing in my opinion. I can't imagine a more complete listening euphoria. A special thanks to Justin for all his help as I contemplated different setups and even made some changes in terms of my final amp selection. Justin is great. He always quick to reply and offer his honest opinion. Besides the excellent service, HeadAmp's prices are great too, and becoming a VIP is highly recommended. Ask Justin about it and he will fill you in on how to obtain VIP status. While my quest for audio bliss and perfection is currently satisfied by the STAX SR-X9000 earspeakers and the STAX SRM-T8000 amp, we all know how that usually goes. I am sure I will be consulting with Justin and HeadAmp about some new gear in the near future. Happy listening."

— Anthony S. (5/5)

STAX SRM-T8000 amp with the SR-X9000 headphones

"I just received the SRM-T8000 and spent the night comparing it to my Blue Hawaii SE also from Headamp. Hard to choose a best here. the STAX still needs some break in time, but it sounds great out of the box. Easy to set up and everything works with no hiccups. Headamp shipped the unit out in record time. I have now purchased quite a few products from Headamp and have been very pleased with their advice, customer service and all the great gear."

— Chris S. (5/5)

STAX SRM-T8000

"The obvious question is: Is it worth six grand? The short answer is yes! If you want to hear all ten audible octaves in unprecedented clarity...yes! If you want to experience your music with a level of realism like never before...yes! If you want to extract every little nuance your STAX headphones can provide...yes! A full, detailed reproduction, no matter what model of STAX you own. Six thousand bucks is a lot to spend, but you'll only have to do it once!"

— Lenton M. (5/5)

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