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preamp tubes


  1. NoiseNinja
    Thread

    The exact function of the 2 preamp tubes in my EHX Black Finger based on this service diagram?

    I have wondered what function exactly the 2 tubes of my EHX Black Finger, tube driven optical compressor has, and how the optical compression...
    Thread by: NoiseNinja, Oct 24, 2021, 3 replies, in forum: Effects [BG]
  2. NoiseNinja
    Thread

    Will having preamp tubes turned on/off for several short periods of time a day shorten their life?

    I utilize an EHX Black Finger that features 2 preamp tubes, run at 300V plate voltage, as well as an ART Tube MP Project series tube preamp that...
    Thread by: NoiseNinja, Sep 20, 2021, 1 replies, in forum: Effects [BG]
  3. PennyroyalWe
    Thread

    Amp Modding Questions

    Hello all, Some of you may be familiar with the Monoprice Stage Right 1x12 15w tube combo. I’ve had one for a few years now, and it’s...
    Thread by: PennyroyalWe, Sep 13, 2020, 37 replies, in forum: Amps and Cabs [BG]
  4. Bruiser Stone
    Thread

    SOLD Mullards, Amperex, Telefunken, Mazda, JAN Phillips (lot of 6 preamp tubes)

    Over Christmas break, I bought six (6) 12AT7 and 12AU7 tubes from a fellow TB’er. Here is the link to that listing: SOLD - Vintage Tubes. 12AT7,...
    Thread by: Bruiser Stone, Jan 12, 2020, 1 replies, in forum: For Sale: Parts, Strings, and Accessories
  5. scubaduba
    Thread

    SOLD NOS Rare Vintage Tubes — Mullard, Bugle Boy, Siemens Silver Plate, Telefunken, RCA Black Plate

    Here we have some fine and rare vintage tubes. All purchased as NOS and sound fantastic. Just not using so I’d like another audiophile to enjoy...
    Thread by: scubaduba, Oct 18, 2019, 6 replies, in forum: For Sale: Parts, Strings, and Accessories
  6. bonin in the boneyard
    Thread

    SOLD Verellen Meatsmoke Dual Channel Vacuum Tube Instrument Preamplifier

    Verellen Meatsmoke preamplifier version 2, number 106, made in Seattle, Washington, USA. Killer clean tones, overdrive, crunch, and full-on...
    Thread by: bonin in the boneyard, Jul 9, 2019, 2 replies, in forum: For Sale: Amps, Preamps, and Cabinets
  7. lalo_garcia-maynez
    Thread

    SOLD KERN ip777 preamp TUBES!!!!

    [ATTACH] [ATTACH] [ATTACH] [ATTACH] Wall Wart model ... If you are reading this , then there’s no need to explain much . In excellent shape, I...
    Thread by: lalo_garcia-maynez, Apr 29, 2019, 1 replies, in forum: For Sale: Amps, Preamps, and Cabinets
  8. brstma
    Thread

    SOLD Preamp tubes

    5 12AX7 preamp tubes... Mesa, TRace Elliot, JJ electronic, Groove tubes, Svetlana Shipping included to CONUS
    Thread by: brstma, Apr 26, 2019, 0 replies, in forum: For Sale: Parts, Strings, and Accessories
  9. jeff62
    Thread

    No longer available NOS preamp tubes

    [ATTACH] I’ve got some leftover NOS tubes purchased from The Tube Store. Tried them during some tube rolling but ultimately went class D. Two...
    Thread by: jeff62, Mar 27, 2019, 0 replies, in forum: For Sale: Parts, Strings, and Accessories
  10. boilingTheDead
    Thread

    Tube OD Pedal (no SVT tone)

    I'm looking for a pedal that gives me a front end overdriven tubeamp tone for my transistor amp. Not so much that classic SVT growl, maybe a...
    Thread by: boilingTheDead, Jan 21, 2019, 8 replies, in forum: Effects [BG]
  11. Therealgaryv
    Thread

    Recommendation on preamps!!! Sansamp vs Flyrig vs Twonotes

    I was wondering what you guys think about the Sans-amp Bass Driver vs the Sans-amp Fly Rig vs the Two Notes Lebass Tube Preamp. I have the sansamp...
    Thread by: Therealgaryv, Oct 11, 2018, 1 replies, in forum: Effects [BG]
  12. TomB
    Thread

    SOLD EH 12AX7 preamp tubes

    EH Russian 12AX7, used very little. All sold quickly at $6 ea.[ATTACH]
    Thread by: TomB, Mar 13, 2018, 1 replies, in forum: For Sale: Amps, Preamps, and Cabinets
  13. No Treble
    Thread

    Preamp tubes

    I have an Ampeg V-4BH. As predicted, I am now going to exercise my right to go and change some perfectly fine, working, good parts, for no real...
    Thread by: No Treble, Feb 21, 2018, 74 replies, in forum: Amps and Cabs [BG]
  14. corvettedcg
    Thread

    Alembic F-2B Preamp Tubes

    After trying a number of NOS 12AX7 tubes (Mullard, Amperex, Telefunken, Sylvania and RCA) that I’ve amassed from tube collecting for my guitar...
    Thread by: corvettedcg, Sep 25, 2017, 1 replies, in forum: Amps and Cabs [BG]
  15. levis76
    Thread

    For Sale (3) 12AX7 preamp tubes

    Hey all, I don't own an amp that uses tubes anymore so I have absolutely no use for these. All are in good working condition, verified in my...
    Thread by: levis76, Oct 24, 2016, 2 replies, in forum: For Sale: Parts, Strings, and Accessories
  16. TrevorOfDoom
    Thread

    Unwanted compression

    I'm in the middle of a gig and it sounds like i'm hitting a compressor hard. My soft plucks are nigh inaudible, and my hard plucks just bottom...
    Thread by: TrevorOfDoom, Oct 17, 2016, 18 replies, in forum: Amps and Cabs [BG]
  17. bherman
    Thread

    SOLD 12AX7A preamp tubes

    I have three - 12ax7 tubes left over from my Genz Benz Streamliner days. All just tried for a bit then put away. Been sitting in a box for a few...
    Thread by: bherman, Aug 21, 2016, 2 replies, in forum: For Sale: Parts, Strings, and Accessories
  18. denton57
    Thread

    SOLD 1974 Ampeg SVT with two sets of vintage preamp tubes and fresh sextet of TungSol 6550RI

    Late 73/early 74 SVT. It's a monster! Fresh TungSol 6550's (10 hours or so), and includes two sets of preamp tubes. The original (mostly...
    Thread by: denton57, Jun 25, 2016, 3 replies, in forum: For Sale: Amps, Preamps, and Cabinets
  19. derekeugene
    Thread

    SOLD Orange AD200B w/ Cover - Excellent Condition! RCA / Telefunken Preamp tubes

    Hi Had to try one of these and it's incredible, but I just need something a little smaller... Or a meatsmoke! That'd be the only trade I'd be...
    Thread by: derekeugene, Jun 21, 2016, 2 replies, in forum: For Sale: Amps, Preamps, and Cabinets
  20. steelbed45
    Thread

    SOLD JJ Electronic 12AX7/ECC83S preamp tubes x3

    Unused/unopened - I had originally purchased these to replace the tubes in a GK MB Fusion 500; no need now. $24 shipped CONUS via USPS priority....
    Thread by: steelbed45, May 12, 2016, 0 replies, in forum: For Sale: Parts, Strings, and Accessories
  21. Xavier_LV
    Thread

    Orange AD200 MKIII preamp tubes

    Hi, I would like to access (and maybe change) the preamp tubes (2 x 12ax7 and 1 x 12at7) of my newly acquired 2011 AD200 MKIII. I gave it a try...
    Thread by: Xavier_LV, Mar 11, 2016, 9 replies, in forum: Amps and Cabs [BG]
  22. newspectorguy
    Thread

    For Sale Mesa Boogie 12AX7-A preamp tubes (4 total )

    I have 4 new Mesa Boogie 12AX7-A preamp tubes. I no longer have a tube amp so they never got ised. I had them rechecked last week and they are...
    Thread by: newspectorguy, Mar 8, 2016, 0 replies, in forum: For Sale: Parts, Strings, and Accessories
  23. shababy32
    Thread

    12AX7 TUBES??

    Howdy folks! I recently bought an ART Tube preamp the other day. I've had some positive reviews with the exception of the cheap Chinese tubes that...
    Thread by: shababy32, Feb 21, 2016, 10 replies, in forum: Amps and Cabs [BG]
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