tubes
  1. A

    Tube Noob

    I have a Little Dot MK2 on the way. I'm definitely not new to audio but, when it comes to tubes, I'm a simpleton. My question is, will someone with experience recommend a decent set of power tubes? i have already bought a matched pair of Voskhod 6j1p-ev/6zh1p-ev for the input section, they came...
  2. 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
  3. OnlySoMany

    Tube Help: EH5U4GB and 274B? Do they interchange?

    First question: what do all the letters and numbers in a tube mean? Second question: I have heard that these two tubes (5u4g and 275b) are interchangeable. Is this true, or do the extra letters and numbers mean something that would change that? Any harm in doing so? Tube veterans please help...
  4. 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...
  5. 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...
  6. 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
  7. L

    Tube Basic Question / Confusion 6N3, 6A8Q, 2C51, ECF82, 6H3N

    I'm new to the hobby of tubes but got a taste for it with a little Douk Audio T8 Tube Balanced EQ. I really want to try tube rolling and am therefore looking for suitable tubes. Now it is the case that tubes have many different names and although the numbers are relatively similar, they are not...
  8. M

    I own a Magni and Modi Schiit stack, Tube/DAC recommendation for HD8XX?

    In 2020, I bought a HD6XX and a Schiit Modi/Magni Stack to power them, at the time about 200$ for both. A while later I purchased an HD8XX on sale, I'm thinking my old stack might be too underpowered and I have some time to save up for a decent tube amp to power them, and I've heard that tubes...
  9. davstev

    Option overload: Headphone life awaits, but mildly confused (w/ Valhalla 2)

    Hi all - So I am a primarily a speaker listener. But recently, I bought a new headphone amp - the Schiit Valhalla 2 with stock tubes. I want to pick up the best headphone, which I know is super subjective. I am considering buying ligthly used Sennheiser and Beyerdynamic, mostly. Considering...
    • davstev
    • Thread
    • beyerdynamic hd600 hd650 hd6xx headphone amplifier schiit sennheiser tubes valhalla valhalla 2
    • Replies: 0
    • Forum: Headphones (full-size)
  10. sjssusma

    How does one take of tubes to ensure there longevity?

    How does one take of tubes to ensure there longevity? Just wondering techniques as I have a decent collection and want to be able to use them for a couple of years.
  11. Monsterzero

    The (Un)Official Amp Thread For ZMF Headphones

    We've been tossing this idea around for awhile, so I thought I'd go ahead and get it started. If you're looking for amp recommendations for your new ( or not so new) ZMF, this is the place. Kindly add photos of your tube, tube hybrid or solid state amps, comments, questions, recommendations...
  12. F

    Tubes for MF Xcan v8p

    hi! This might be a stupid question but im new to the tube game There are two tubes in the v8p and i was wondering if they are separate? Meaning one tube per headphone output And in that case can i use two different tubes to get two different sound signatures from each output? Also do you...
  13. ostewart

    WBA - White Bird Amplification - Thread

    I've seen WBA mentioned a few times, with a couple of product specific threads but no general WBA discussion in here. This is a thread for owners to come and share their experiences with the company and their amps. WBA make a few different amps, pre-amps and headphone amps...
  14. V

    Need help identifying my late grandfather's equipment

    Hey guys. If I'm in the wrong place hopefully an administrator will move this post for me. So my grandfather passed away a few years ago and my aunt (his daughter) was going through his stuff recently and happened upon a couple big boxes full of vacuum tubes. I know he was an electrician bit he...
  15. SerenityNow

    Euterpe vs Elise

    Anyone out there owned or tried both the Auris Euterpe and the Feliks Elise? Both seem to get relatively good reviews but obviously use different tubes for rolling.
  16. Alchemy_

    6SN7 and Octal Equivalents Reference Thread

    ~6SN7 and Octal Equivalents Reference Thread~ THIS THREAD IS BEING BUILT AT THE MOMENT My original plan was to start with a very complete thread, but I kept running into inconsistencies with my findings. Over the next few days I still plan to add a large amount of scraped data, but with...
  17. Another Audiophile

    Audio Valve RKV HAA - Impressions Thread

    Amplifier Specifications OTL - transformer outless tube amplifier ( signal closed feedback loop in OTL concept ) double mono construction Alps volume control ( or remote control as option ) output: 2 pcs. 6,3 mm stereo / XLR combi jack and 4 pin Sennheiser jack for headphones input: 2 pairs of...
  18. 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...
  19. D

    Little Dot a little odd.

    Hi Guys and gals. New here. I love my Little Dot MkIII powering the Beyer DT990's. The line out feeds two Meridian 105 power amps which powers a pair of Yammy NS1000. Heres the thing(s); The headphones act as a microphone, feeding audio back into the Little Dot which, I can hear through the...
  20. A

    Tube rolling

    Hi, i am new here and I'd like to know if someone could teach me a little bit about tube rolling, because im thinking about buying a Little Dot Mk 2, but I've heard that the stock tubes are not good enough. - Thanks in advance.
  21. Palartemis

    Best volume settings in the chain for best results.

    As a Noob to headphones , tube amps, DACs etc I was looking for advice as to ow to set up my audio chain with regards to volume settings. Which elements in the chain should be set to high volumes to get the best results. My equipment will be :- Windows 10 Laptop using Musicbee which will...
  22. Rayvolution

    Tube Power Supplies

    Does having a tube output stage make an audible difference? Woo Audio has separate tubed power supplies, some tube amps I've seen only have tube input stages as in the Ayon HA-3 and PS Audio BHK 300. Paul McGowan of PS Audio himself said tube output stages suck. But a lot of companies still...
  23. AthenaZephyrian

    Detailed, airy, aggressive rolling options for Little Dot I+?

    Hi all, Just picked up a Little Dot, and some matched GE 5654W's for it, and kinda like them, but found that, while the stock 6JI's are too forward in treble and upper mids (among other faults), I did find the 5654's a bit too laid back in comparison. I found the amp to be a bit veiled...
  24. me2621a

    Balanced Triodes with 15%?

    Hi, I ordered an NOS RCA 5691 with a triod readings of 51/59 based on the sellers test equipment. If I have done the math right, they are about 15% out of balance. I am going to be using this tube in an Amp and Sound Mogwai SE (which uses one triode for the left channel, and one for the right)...
  25. C

    Looking for Siemens CCA Gray Shield '63s

    Wanting to upgrade my newly purchased Mjolnir 2 tubes from stock to these. Been looking online, but have only found them on eBay. Are these sellers to be trusted? If anyone has links to where to buy these authentic tubes, it would be appreciated.
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