tube
  1. povidlo

    Korg HA-S Portable Tube Headphone Amplifier with Nutube (DIY Kit- No Soldering!)

    A Pristine, Compact Sound Amplifier You Build Yourself The HA-S is a Nutube-equipped DIY Headphone amp kit that will let you enjoy the highest quality audio anywhere. No soldering is required, so even if you are new to the world of DIY, you will be able to assemble the HA-S to add a warm, analog...
  2. Korg Nu:Tekt HA-S Nutube Headphone Amplifier

    Korg Nu:Tekt HA-S Nutube Headphone Amplifier

    The HA-S is a Nutube-equipped DIY Headphone amp kit that will let you enjoy the highest quality audio anywhere. No soldering is required, so even if you are new to the world of DIY, you will be able to assemble the HA-S to add a warm, analog tube-driven signal boost to any sound source in no...
    • povidlo
    • Head Gear item
    • amplifier battery amp korg tube tube amp tubes
    • Comments: 4
    • Category: Portable Amps
  3. Feliks Audio Envy

    Feliks Audio Envy

    • rev92
    • Head Gear item
    • 300b amp amplifier envy feliks feliks envy tube
    • Comments: 1
    • Reviews: 1
    • Category: Desktop Amps
  4. Ichos

    Aune Flamingo Tube DAC

    This is a thread for discussing about the Aune Flamingo Tube DAC. For starters here is my review of the Flamingo. https://www.head-fi.org/showcase/aune-flamingo.26238/review/29982/ Feel free to share your impressions or ask anything else about the Flamingo.
  5. Ludvux

    Help with differences in power tubes and signal tubes sound changes!

    Hello I'm a new member of the head-fi forums, I've been scouring the forums for answers regarding differences in tubes/valves. My main question is: sonically, what is the difference in power tubes and signal tubes, I understand that the power tubes supply power to the amplifier, but do they...
  6. Cayin N8ii

    Cayin N8ii

  7. GoneToPlaid

    FX-AUDIO Tube-02 Pro

    I recently received this FX-AUDIO Tube-02 Pro from Amazon. It is advertised as being a class A tube amplifier. I do believe that it is. This tube amp's motherboard is the 2021-09-07 version 1.1. This headphone amp comes with GE JAN 5725W tubes. The FX-AUDIO website and the Amazon listing for...
  8. matthewhypolite

    TRANSITION TO SPEAKERS, TUBE MAGIC!

    TRANSITION TO SPEAKERS, TUBE MAGIC! INTRODUCTION I've been a headphone listener for the past 2 decades, starting with my very first pair of hifi headphones the Grado SR60. Since then I've crept up the line of absurdly priced gear all the way up to what I consider my end-game headphone stack...
  9. 5

    Douk Audio P1 tube amp tube replacement/upgrade

    Any good tubes to replace the stock ones on this amp? I have the GE JAN 5654W's in the amp. Anything better?
  10. squadgazzz

    Warm desktop alternative to iFi iDSD micro BL

    Hello there! I'm a happy owner of iFi iDSD Micro BL + iUSB 3.0 and I'd like to find a true desktop replacement for my current setup. Things I do like in iDSD BL + iUSB: +Warm, spacious, energetic and detailed sound; +3D/XBass options; +Size; +With iUSB 3.0 it sounds like a serious desktop amp...
  11. dstarr3

    Liquid Platinum tube amp & AKG K702: Tubes for soundstage?

    I am in pursuit of the ultimate wide soundstage setup. To that end, I picked up a used K702, and it's already incredible. But yesterday I also snagged a good deal on a Liquid Platinum tube amp. It's my first tube amp, so I'm very much a tube newbie, but it's my understanding that there are tubes...
  12. Cayin HA-1AMK2

    Cayin HA-1AMK2

    2 headphone outputs with slightly different sound characteristics 5 output impedance settings works well with some lo-Z and planar headphones preamp output 2 inputs Lots of power...up to 2.2wpc at 600 ohms!
    • WaveTheory
    • Head Gear item
    • cayin desktop ha-1a mk2 ha-1amk2 headphone amp headphone amplifier tube tube amp valve valve amp
    • Reviews: 1
    • Category: Desktop Amps
  13. 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...
  14. Schiit Audio Vali 2+

    Schiit Audio Vali 2+

    Want to play in the tube pool without going full boat crazy? Well, have we got an amp for you! Welcome to Vali 2+, the most affordable and versatile tube hybrid amp on the planet. Tube Your Entire Desktop Vali 2+ delivers plenty of power for hard-to-drive headphones—and also provides the low...
    • Ichos
    • Head Gear item
    • amplifier hybrid preamp schiit tube vali 2+
    • Comments: 4
    • Reviews: 3
    • Category: Desktop Amps
  15. Konka Novalis electrostatic amp

    Konka Novalis electrostatic amp

    Suitable for all Stax Pro series headphones (earspeakers). This is an OTL (Output Transformer less) tube amplifier, Class A. Balance adjustment to compensate earspeakers ageing caused imbalance. With two simultaneos outputs for Stax Pro Bias earspeakers. Amplifier has an extra RCA-output for...
  16. Sennheiser

    August in Sennheiser History...

    Hello Head-Fi! Our 75th Anniversary has offered us an opportunity to revisit key Sennheiser moments. This month in Sennheiser history is particularly special as it was 29 years ago that the original Orpheus was released. If you’ve heard either Sennheiser electrostatic headphone, feel...
  17. DeviousEnigma

    Audio Spectrum IN-9 Nixielyzer

    This looks really cool and it’s currently on Indiegogo with only four days left. I hope it gets funded so I thought I’d share it here.
  18. tubebuyer2020

    How do I buy cheap NOS tubes?

    Why do tube vendors get angry or ghost when asking them about brands they have in stock for cheap tube types? It's not like I am asking for detailed measurements or something like that.
  19. pbfreak422

    Best "Warm" Tubes for Lyr 2?

    I just picked up some Focal Utopias and plan on using my Schiit Lyr 2 amp for a while, so I'm looking to upgrade my stock tubes in there until I have enough to upgrade to my next amp. I know there are some Lyr 2 tube comparison threads out there, which I have read, but it seems like those focus...
  20. Tuba - Vacuum Tube Headphone Amplifier

    Tuba - Vacuum Tube Headphone Amplifier

    Tuba - Vacuum Tube Headphone Amplifier The TUBA is a world-class vacuum tube headphone amplifier designed to operate with either low impedance (Grado) or high impedance (Sennheiser) headphones. The power stage is a single-ended, zero-feedback, parafeed EL84 triode into an impedance matching...
    • Dobrescu George
    • Head Gear item
    • amplifier desktop el84 grado headphones review sennheiser tuba tube
    • Comments: 1
    • Reviews: 1
    • Category: Desktop Amps
  21. Feliks Euforia Tube Amplifier (6SN7 + 6N13S)

    Feliks Euforia Tube Amplifier (6SN7 + 6N13S)

    Technical specification - Model 2019 Input Impedance: 100 kOhm Frequency response: 8 Hz - 75 Khz +/- 3 dB (300 ohm) Power output: 250mW THD: 0.4 % (300 ohm, 20 mW) Supported headphones impedance: 32 - 600 ohm including planar magnetics Premium PsVane CV-181 Mk2 “Gold” /or "Silver" PsVane 6SN7...
    • Dobrescu George
    • Head Gear item
    • amplifier european feliks impedance planar poland tube
    • Comments: 2
    • Reviews: 2
    • Category: Desktop Amps
  22. Peter Z

    Chi-Fi Tube Amp: RFTLYS EA1A

    Reeeal sexy, ain't it? I don't have access to it right now since it's in my host family's garage (social distancing!), so I'm going to post some stock pictures. Edit: the first picture was taken with my camera so the file was too big and wasn't showing. Changed it to a slightly compressed version.
  23. Phatlab Chimera

    Phatlab Chimera

    Frequency Response 10 Hz – 100 kHz Output power (30 ohm) 300 mW + 300 mW (3.5φ) 1000 mW + 1000 mW (4.4φ) Headphone impedance 30 ohm – 600 ohm Gain Setting Hi: 14dB (3.5φ), 20dB (4.4φ) Lo: 6dB (3.5φ), 12dB (4.4φ) Max. S/N Ratio >110 dB Power supply 5V/1A via micro USB port Operation...
  24. necrozen

    Tube Amp Recommendation for Focal Clear

    Hello. Please excuse my ignorance as I am new to the hobby. I recently bought a pair of Focal Clear Headphones and a Jotunheim amp/dac to push them. While I love the sound, I am interested what a tube amp or tube hybrid amp would sound like with them. However I keep reading that certain tube...
  25. FX-Audio TUBE-06

    FX-Audio TUBE-06

    TUBE-06 is a tube DAC/preamp combo that sells for $90. Features: - Digital Inputs: USB - Analog inputs: RCA, 3.5mm line in - Analog output: RCA with variable level, up to 5.4 V - Volime and tone controls - Tube model: 6N3 (Tubes are changeable) - DAC chip: CM6533
    • Aibo
    • Head Gear item
    • dac fx-audio preamp tube tube-06
    • Comments: 1
    • Reviews: 1
    • Category: DACs
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