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van alstine

  1. ceylon

    tube hifi newbie thread

    hey u guys. im lookin for some guidance on cathode followers and tube preamps. i got a conrad johnson PV8 12ax7 phono, 5751 gain, 5965 cf) and a van alstine fet valve cf RB (12at7 gain, 12au7 cf). how important are the cf tubes to the SQ and presentation? to what extent does the CF affect...
    • ceylon
    • Thread
    • cathode follower conrad-johnson preamp van alstine
    • Replies: 5
    • Forum: Tube Audio
  2. Boston Tom

    Dynaco ST-150 Mos-Fet 150B MOD

    Any info or possibly a schematic of the setup with this Amp. Has a new board and twin Caps per side very different from the original. Thanks in advance, BT
    • Boston Tom
    • Thread
    • dynaco st-150 jensen stereo shop mos-fet mos-fet 150b ss amp van alstine
    • Replies: 2
    • Forum: Solid State
  3. Strgazr1967

    Van Alstine Super PAS3 questions....

    I am now the proud owner of a mint VA Super PAS3. It is in near mint condition. I have this currently paired with my ST-70 with the Welborne mods. I am sofar pleased with everything about it except for what seems to be a lack of bottom end to it and I'm wondering if this is due to the tube...
  4. timmage89

    Dynaco 150 (Van Alstine Mod)

    I picked up a Dynaco 150 from the original owner. He built it from a kit, then had it modded in the 90's by Van Alstine here in Burnsville MN. Well I got it home and hooked it up to my test system, seems to work great. Popped the cover off and holy cow, MASSIVE capacitors in this thing. I...
  5. J

    Trying to measure twice and buy once - Advice on preamps, please.

    Hello All, So I have been googling and reading until my head hurts, I want to purchase a new preamp; and don't have the budget to make the wrong choice. (hence I seek your help). OK, So about me, my current system is, from source to sound: a Rega P5 (modded - groovetracer subplatter, TTPSU...
  6. kve777

    Van Alstine MOSFET Amp Info Wanted

    I picked up this "Dynaco Mystery Amp" from a fellow AK'er recently and found the boards are VanAlsine PC-489, and the outputs are Hitachi 2SK134 and 2SJ49 MOSFET's, but can't seem to find out anything more about it, like a model # or specs. Apparently it's about 55 WPC or so, based on the output...
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