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  1. Vadim2342
    Thread

    Tube headphone amplifier Fosi Audio GR40

    I received a tube amplifier with a built-in DAC on January 18, 2025. After 10 days of active listening in a pair with my Beyerdynamic DT 770 Pro X...
    Thread by: Vadim2342, Feb 7, 2025, 0 replies, in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  2. atomicbob
    Thread

    6AS7 OTL three amp comparison technical measurements

    Three very similar 6AS7 based OTL design headphone amplifiers technical measurements will be compared. Measurement methods and notes can be found...
    Thread by: atomicbob, Jan 30, 2025, 12 replies, in forum: Headphone Amplifier Measurements
  3. Ares5150
    Thread

    Holo audio Bliss KTE

    I wasn’t sure if this question should be posted here or in the amplifier section. It’s more of a question of whether or not anyone on here outside...
    Thread by: Ares5150, Mar 11, 2024, 14 replies, in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  4. Serious
    Thread

    Schiit Ragnarok distortion analysis

    I initially wanted to see how much noise the Ragnarok really produces on its own. With inputs shorted and on high gain I got a figure of around...
    Thread by: Serious, Jan 21, 2024, 4 replies, in forum: Headphone Amplifier Measurements
  5. rhythmdevils
    Thread

    Otomon Labs - WARNING

    Otomon Labs - WARNING I recently commissioned a custom amp from Otomon Labs and the results are beyond horrific and I want to not only warn you...
    Thread by: rhythmdevils, Jan 13, 2023, 99 replies, in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  6. atomicbob
    Thread

    Decware Zen Taboo mk4 Technical Measurements

    Decware Zen Taboo mk4 technical measurements Standard Prologue If you are unfamiliar with audio measurements please use a search engine with the...
    Thread by: atomicbob, Jan 1, 2023, 11 replies, in forum: Headphone Amplifier Measurements
  7. mk801
    Thread

    WTB: Cavalli Liquid Glass

    Still looking if anyone is willing to sell. I'll be happy to listen to offers. Thanks! I'm sennfan83261 on HF if anyone wants to check out my...
    Thread by: mk801, Dec 27, 2022, 1 replies, in forum: Closed (Archived) Sales
  8. Souldriver
    Thread

    Sold: Questyle CMA800r Amp

    Looking to move my second Questyle CMA800r Amp. These are “current-drive-esq” and were made with the HD800s in mind. It added a much desired...
    Thread by: Souldriver, Dec 3, 2022, 1 replies, in forum: Closed (Archived) Sales
  9. Don Miller
    Thread

    FS: Meier Corda Soul

    https://www.head-fi.org/classifieds/meier-corda-soul.21507/ $100 less for friends and contributors
    Thread by: Don Miller, Sep 4, 2022, 4 replies, in forum: Closed (Archived) Sales
  10. atomicbob
    Thread

    Headphone Amplifier Distortion vs Amplitude Technical Measurements

    Amplifier Distortion vs Amplitude Technical Measurements In this first installment three low cost schiit headphone amplifiers are compared. Test...
    Thread by: atomicbob, May 29, 2022, 2 replies, in forum: Headphone Amplifier Measurements
  11. atomicbob
    Thread

    Tutorial - Amplifier Distortion vs Amplitude - A Visual Guide

    The following is a visual guide to amplifier distortion vs amplitude with a schiit Vali 2+ and Ultron 7DJ8 tube as the example. [ATTACH] Above is...
    Thread by: atomicbob, May 11, 2022, 1 replies, in forum: Measurement Setups, Systems, and Standards
  12. Don Miller
    Thread

    FS: DSHA Ravenswood 3F Black in Sapele Nickel Transformers

    I have a good user condition DSHA Ravenswood 3F with Nickel Transformers. It has some desk diving marks please see photos (oh wait, not a watch,...
    Thread by: Don Miller, Jan 15, 2021, 8 replies, in forum: Closed (Archived) Sales
  13. ultrabike
    Thread

    Focusrite Clarett 2Pre USB

    I received this unit from @Armaegis a long time ago. Being as it may I only recently opened the box. It's been incredibly busy at work with all...
    Thread by: ultrabike, Sep 29, 2020, 17 replies, in forum: Source Measurements
  14. neogeosnk
    Thread

    FS: Schiit Aegir & Freya S

    **SOLD** Schiit Freya S - $475 Schiit Aegir - $650 Both mint. Aeigir has like 2 hours on it, the Freya s about 12 or so. Comes with everything...
    Thread by: neogeosnk, Jun 11, 2020, 3 replies, in forum: Closed (Archived) Sales
  15. batriq
    Thread

    For Sale: 2 Tube Amplifiers

    I have two tube amplifiers that I wish to sell. These are from a collection of amplifiers my wife and I inhertied from her father. I refurbished...
    Thread by: batriq, Oct 6, 2019, 7 replies, in forum: Closed (Archived) Sales
  16. MrsForBin
    Thread

    I'm a Fulla Schiit in...

    ...Washington state. Because I am still trying to recover from a nasty respiratory infection, Christmas was on the 28th this year with Dr. ForBin...
    Thread by: MrsForBin, Dec 29, 2018, 1 replies, in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  17. Roman
    Thread

    FS: Massdrop x THX AAA™ 789 Linear Amplifier

    I'm selling my THX 789 amp. This is from the first batch. Used it for some time but decided I don't really benefit from it. Also I love compact...
    Thread by: Roman, Dec 19, 2018, 1 replies, in forum: Closed (Archived) Sales
  18. Torq
    Thread

    Woo Audio - WA234 MONO (Mk2)

    Woo Audio – WA234 MONO (Mk2) As a result of posting some poor-quality “iPhone-at-night type” shots of my WA234 MONO in the “Amplifier Porn”...
    Thread by: Torq, Mar 14, 2018, 135 replies, in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
  19. atomicbob
    Thread

    Jotunheim technical measurements

    Jotunheim Technical Measurements The data presented were collected as follows: 1. PrismSound dScope III, picoscope 5243B 2. 300 and 30 ohm loads...
    Thread by: atomicbob, Sep 8, 2016, 40 replies, in forum: Headphone Amplifier Measurements
  20. velvetx
    Thread

    Urban Hifi MicroZOTL 2.0

    Designed by David Berning and hand made in Washington DC this amplifier "utilizes patented Zero hysteresis Output Transformer-Less (ZOTL)...
    Thread by: velvetx, Dec 11, 2015, 3 replies, in forum: Headphone Amplifiers and Combo (DAC/Amp) Units
Showing results 1 to 20 of 25
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