electrostatic amp
  1. Ray Samuels Audio A-10 Thunderbolt II

    Ray Samuels Audio A-10 Thunderbolt II

    There are 26 A-10 Thunderbolt IIs in existence right now (excluding 2 Ray uses as his personal systems). Mine was picked up earlier in December 2020 leaving only 2 possible A-10 left to be produced by Ray. Below is a summary of the A-10 Thunderbolt II design from Ray Samuels himself in a...
  2. bigjako

    Electrostatic Amp BOMs

    I discovered this hobby existed in April and upgraded my way through mid-fi, settling on warm, bassy cannons as my preferred sound signature. Then I bought some Stax NBs and have sold off all my planars and dynamics other than Lawton-cupped and modded EMU Teaks, Sundaras and likely the balanced...
  3. QwertyQmin

    [SOLD] [US-TX] STAX SRM-1mk2 Balanced Edition (super rare)

    Hi! I got this many months ago from Birgir at Mjolnir Audio. He went through and did a full repair of the amp and also did some mods to the board. To quote him; "I did modernize the bias supply and some small tweaks here and there but nothing major." The XLR inputs on the back and everything...
  4. altie

    Stax SRM-T1 for sale

    This posting is for a very good used condition SRM-T1 tube electrostatic amplifier with Stax "pro" and "normal" bias outputs. Sale includes a good condition original box, serial number CO1171 matching the amp. Asking $550, Paypal preferred. I'm selling it because my beat up old rehabbed...
  5. QwertyQmin

    (SOLD) STAX SRM-D10

    Hi! I've been really happy using this with the SR-003, I figured there would be a myriad of problems I'd have to deal with considering this is a portable energizer, but somehow it just works. It's got a solid DAC and amp section that's made listening to the 003s a real treat. It comes with all...
  6. aminus

    SOLD: Stax SRM-353X BK

    Selling my used limited edition Stax SRM-353X BK. Purchased from Japan at the beginning of the year, used sparsely throughout. Kept off when not in use. Selling as I don't have the time to use it. Unit is wired for 100V. If you live in a 230V/240V country I will bundle a free 240V to 100V...
  7. 1note

    Stax DIY T2 Electrostatic Amp - SOLD

    This is a rare DIY T2. You can only get them custom built. This one was built by Kerry of New York City and is his version 2. He is one of the best builders. There is no commercially available Stax or other make headphone amp that comes close to a DIY T2. Condition is perfect. The sound is...
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