class a
  1. xDuoo MT-602 Tube Class-A Headphone Amplifier

    xDuoo MT-602 Tube Class-A Headphone Amplifier

    Product highlights 2 x tube + transistor power Class-A amplifier Allows for tube swapping Amp can be used as preamplifier Power supply: DC12/1A Output power: 1300mW (32Ω) Frequency response: 10Hz-60kHz (+/-0.5dB) Suitable headphone impedance: 16-600Ω Gain: +15dB Size: 4.7 x 3 x 1.5” (12 x 7.8 x...
  2. Andykong

    Cayin C9: Dual Nutube, Fully discrete Fully Balanced Class A/AB Portable Headphone Amplifier

    Cayin C9: TOTL Portable Headphone Amplifier Cayin was founded in 1993 and is one of the largest audio tube amplifier development and manufacturing facilities in the world. We have developed over 400 products to date, ranging from CD players to speakers, all of which provide the same...
  3. nxxo

    SOLD ⭐️Cembalo Spring 1 Class A ⭐️ rare opportunity don't miss your chance

    Here for your consideration is a like new condition Cembalo Spring 1 headphone amplifie now defunct Canadian manufacturer. 9.9 on 10 High gain, high power pure Class A headphone amp designed for difficult to drive headphones only (HiFiMan HE1000, Audeze LCD4, Sennheiser HD800, RAD-0, Abyss etc)...
  4. roskodan

    [SOLD] Original Burson Soloist Class A 4W per channel

    SOLD 470 EUR shipped For sale, original Burson Soloist TOTL Class A 4W per channel version. Original boxing, flawless operation, great cosmetic shape as well. Accepting PayPal and IBAN transfers. Great TOTL sounding amp, easily an endgame. Ethereal, bloomy, tube like bass and treble, never...
  5. ricthaman

    [ SOLD] Ifi iCan headphone amplifier

    Hi all, I'm selling my Ifi iCan headphone amplifier. A well-known amplifier and brand around here, so I'll refrain from a 'marketing' story. The iCan will come with original box and accessories, including a very nice iPower by Ifi for ultra clean power (also with box and accessories). Has to...
  6. hionhifi

    First Watt F6 MOSFET Stereo Amplifier - Pilot Run

    Selling my First Watt F6 Stereo Amplifier. It's a smooth sounding, mature amplifier that you can listen to all night. It pays attention to details and has great depth and texture. It was built by Nelson in 2013 as a Pilot Run for friends and family to test and give feedback. It has been an...
  7. brintamatic

    Questyle CMA400i w/ rubber base and two top covers

    $600 Paypal and Shipped to cont. 48 US States - Mint Questyle CMA400i w/ stock round legs and vertical rubber base with a black stock top cover as well as a clear top to be able to see the inside of the unit. Great great great Class A amp and super silky DAC. I just moved up in a big way so I...
  8. jwbrent

    Sugden A21SE Signature Pure Class A Integrated Amplifier

    Hi guys, I thought I would create a thread for this excellent sounding amplifier. I wrote a review and posted it on the Showcase for everyone’s perusal ...
  9. AuneAudio

    aune X1s Pro DAC/Headphone Amplifier: 32bit/768k DSD512, CLASS A

    Product page: http://en.auneaudio.com/index.php?s=Home/Article/detail/id/463.html Retail price: 299USD Find your local distributors here: http://en.auneaudio.com/Home/Article/lists/category/68.html
  10. Sugden Audio A21SE Signature Integrated Amplifier

    Sugden Audio A21SE Signature Integrated Amplifier

    Specifications Line Input Sensitivity - 110mV @ zero attenuation for full output Input Impedance - 50K Ohms Power Output - 30 Watts into 8 Ohms both channels; 40 Watts into 4 Ohms both channels Frequency Response - +/-1dB 12Hz-141kHz Bandwidth - 6Hz-280kHz Signal to Noise - >90dB...
  11. jim723

    SOLD - For Sale or Trade - Schiit Asgard 2 (Excellent Condition)

    [SOLD] Bought the Asgard 2 from another member about 2 years ago. Haven’t really used it that much because I have been using other amps more often. The Asgard 2 is in excellent condition and I would rate it a 9/10. I need to reduce the clutter of my workspace so I am letting go some of the...
  12. mikewr

    [SOLD] Schiit Asgard 2 - Not in Best Shape [SOLD]

    SOLD! Thank you! Original owner. Have had this for at least 4 years now. Been tucked away in a drawer for a while, but pulled it out and used it for a couple of days and it seems to work fine. Lots of dings/scratches/etc. due to hauling it around. I did my best to capture most all the dings i...
  13. yrun26

    (SOLD) Nelson Pass - First Watt J2

    SOLD Incredible Nelson Pass designed and built amp! First Watt J2 Power Amplifier 25W Per Channel Single-Ended Class A. Stereophile Class A Recommended Component. Excellent condition with little sign of use. Price + PayPal fee. Shipping with full insurance to lower 48 states is $80 via Fedex...
  14. Burson Audio Fun

    Burson Audio Fun

    Head-fi thread: https://www.head-fi.org/threads/burson-audio-fun-2w-pc-class-a-headphone-amp.881515/
  15. Schwibbles

    SOLD: Denafrips HA-10 - Balanced, Class A amplifier

    SOLD Fully balanced, full class A headphone amp. It is in excellent condition; no scratches on the body or signs of wear. There is a smudge or two on the screen that could be cleaned off though. Because it is class A, it runs pretty hot even when no music is playing. It has more than enough...
  16. jurumal

    FS: Oppo HA-1 **Sold!**

    Oppo HA-1 For sale is the no longer in production Oppo HA-1 in black. This versatile piece is a headphone amp, pre-amp, and DAC. The HA-1 features a discrete Class A amplifier, fully balanced design, and an LCD info display with spectrum analyzer and digital VU meters. Comes with original box...
  17. jurumal

    FS: Oppo HA-1 **Sold!**

    Oppo HA-1 For sale is the no longer in production Oppo HA-1 in black. This versatile piece is an headphone amp, pre-amp, and DAC. The HA-1 features a discrete Class A amplifier, fully balanced design, and LCD info display with spectrum analyzer and digital VU meters. Comes with original box and...
  18. Kevin Tam

    [SOLD] GUSTARD H10

    SOLD
  19. Schwibbles

    Removed

    Removed
  20. junki

    Arcam rHead - fully Class A, fully discrete, ultra linear headphone amplifier

    I'm surprised there isn't a thread for this guy, so I'm starting one. Product page: http://www.arcam.co.uk/products,rSeries,Accessories,rHead.htm John Grandberg (@project86) put the rHead on InnerFidelity's Wall of Fame. The Master Switch listed it as one of the best headphone amps of 2018...
  21. Kevin Tam

    PRICE LOWERED* NuForce UDH-100 DAC Amp (Black) - Excellent Condition

    Purchased at pristine condition from previous owner. Discontinued model. MSRP was $649USD. A very good quality DAC/Amp that uses the AK4390EF DAC chip. The DAC section is identical to the one used in DAC-100 and DAC-80. The USB implementation is slightly different. Build is sleek and durable...
  22. simomat

    Questyle CMA800P preamp

    I am selling the Questyle CMA800P preamp. It's pure Class A. The patented Current Mode Amplification produces ultra-low distortion level of 0.00021%, and the THD+N stays unchanged within the audible spectrum range of 20Hz-20kHz,. With performance like this, CMA800P is excellent enough to...
  23. barryt

    Listening test for new amp

    Looking for some help, I have created a most unusual headphone amplifier, I have a couple of prototypes, I am looking for critics to critique these for sonic performance. You interested?
  24. barryt

    listening help

    Looking for some help, I have created a most unusual headphone amplifier, I have a couple of prototypes, I am looking for critics to critique these for sonic performance. You interested?
  25. TPSRA

    [FS] Rudistor RP3K-SS

    Class A headphone amp Rudistor RP3K-SS (MSRP $2900) Bought around 2017/4.Perfect condition, best single-ended amp I've heard. Open to offer My original for sale post was locked for some reason.....
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