tube
  1. Apos Ray Vacuum Tube 6SN7 Select

    Apos Ray Vacuum Tube 6SN7 Select

    • Deleeh
    • Head Gear item
    • 6sn7 6sn7 select ray from apos audio apos audio apos ray 6sn7 select ray select select ray tube tubes
    • Reviews: 1
    • Category: Cables and Accessories
  2. OnlySoMany

    Bad tube socket?

    Viva egoista 845. Bought this used from another headfi user and I'm having issues with it once hooked up. I tried switching the tubes from socket to socket, I've also tried switching the inputs from XLR to Rca. I am only getting audio out of one side. I have tried both 6.5 and xlr outputs...
  3. ostewart

    Miltra OTL Valve Headphone Amps from Poland

    I see this brand doesn't have a thread on here, and I haven't seen any owners here either. https://www.miltra.pl/index.php/kategoria-produktu/tube-amplifiers/ I'm hoping to be getting an OTL-8XT soon in for review, and thought I'd create a thread for the brand. They look like fantastic...
  4. El nai del vent

    12au7 tubes for HD600

    I am just starting to try tubes that favour the HD600's. I find the philips miniwatt's profile too bright and lacking in bass for my taste (maybe they need a bit more burn in). I tried them with some philips holland short plate quite rare to find and what a luxury of sound.... do you have any...
  5. mg2c

    Mind helping with choosing tubes for my triode amp?

    Hi I am using a Triode amp (Unison Triode 20) to drive my Stax earphones. It uses NOS German EL34 tubes in the power stage. These are still in very good shape, but two tubes in the "preamp stage" are defective and need to be replaced. This stage uses a combination of 1x ECC83 and 2x ECC82 - as...
  6. RamovniK

    Demograf DACs, AMPs, speakers impressions

    Guys, Hi! My name is Ruslan from Russia. Let's talk about russian diy master (so called - Demograf) who is Dmitriy Gubchenko and his astonishing mahines). For a start I would like to download some photos and talk more about his devices. Lets start with photos then i will tell some words - my own...
  7. 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...
  8. 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
  9. Feliks Audio Envy

    Feliks Audio Envy

    • rev92
    • Head Gear item
    • 300b amp amplifier envy feliks feliks envy tube
    • Comments: 2
    • Reviews: 1
    • Category: Desktop Amps
  10. 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.
  11. 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...
  12. Cayin N8ii

    Cayin N8ii

  13. 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...
  14. 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...
  15. 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?
  16. 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...
  17. 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...
  18. 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
  19. 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...
  20. 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
  21. 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...
  22. 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...
  23. 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.
  24. 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.
  25. 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...
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