Guitar-Rocker's Recent Activity

  1. Guitar-Rocker liked 2203xman's post in the thread Considering a Ceriatone Plexi 51.

    Thanks for the info.Nik confirmed my order today,and said he would build it asap.I am looking forward to this amp.A NMV type amp takes a...

    Sep 18, 2020 at 6:48 AM
  2. Guitar-Rocker liked Matthews Guitars's post in the thread Total Restoration of a 1959 Superlead from 1973.

    The missing parts turned up, thankfully. Once they're back from plating, reassembly really begins.

    Sep 17, 2020 at 10:25 AM
  3. Guitar-Rocker liked Matthews Guitars's post in the thread Total Restoration of a 1959 Superlead from 1973.

    Some of my original parts got lost while out for galvanizing. All six capacitor clamps, to be precise. Anybody got any "vintage" cap...

    Sep 17, 2020 at 10:25 AM
  4. Guitar-Rocker liked myersbw's post in the thread JCM800 2204 (1986) problem.

    Just saw the news about carpal tunnel surgery, David...will pray for a fast recovery!

    Sep 16, 2020 at 10:53 PM
  5. Guitar-Rocker liked coolidge56's post in the thread Iron Chef Coolidge builds an ODS #183.

    Iron Chef Coolidge: Chairman, the exquisite main course is plated. [ATTACH]

    ods03.jpg Sep 16, 2020 at 7:15 AM
  6. Guitar-Rocker liked Matthews Guitars's post in the thread Brown 1970 turret board, help?.

    I only paid 600 dollars for it. And it was a running amp when I got it, that didn't sound bad. I don't think I can make an actual...

    Sep 15, 2020 at 6:42 PM
  7. Guitar-Rocker replied to the thread Brown 1970 turret board, help?.

    Sorry that someone went that banana's on the amp, but I'm sure you are the right owner to make it right

    Sep 15, 2020 at 12:06 PM
  8. Guitar-Rocker replied to the thread JTM45 build - bias too high.

    The first 5 paragraphs of this excerpt from the "ValveWizard" talk about the actual bias voltage needed for several valve types. This 50...

    Sep 14, 2020 at 8:07 AM
  9. Guitar-Rocker replied to the thread JTM45 build - bias too high.

    The voltage that you typically read on pin 8 is the cathode current, actually. You read it as voltage due to reading voltage across a 1...

    Sep 14, 2020 at 7:55 AM
  10. Guitar-Rocker liked neikeel's post in the thread JTM45 build - bias too high.

    negative voltage on pin 5 that stays stable in the -50 to -35v depending on where you set the bias pot.

    Sep 14, 2020 at 7:37 AM
  11. Guitar-Rocker replied to the thread JTM45 build - bias too high.

    Again as Neikeel and I have suggested, a stable steady bias is the corner stone of the power section. If the amp can't maintain a steady...

    Sep 13, 2020