CROWEMAG's Recent Activity

  1. CROWEMAG replied to the thread Testing resistors in circuit.

    Correct. Do you have a clip of your unit max gain, no boost?

    Sep 23, 2020 at 6:22 AM
  2. CROWEMAG replied to the thread preamp tube sockets for JCM800.

    Honestly I cannot even recall where I saw to change to 330k and what that was to achieve any way. Is it a common mod?

    Sep 22, 2020 at 8:39 PM
  3. CROWEMAG replied to the thread preamp tube sockets for JCM800.

    Then that’s the issue! I’ll be changing that for 100K ASAP.

    Sep 22, 2020 at 8:38 PM
  4. CROWEMAG replied to the thread preamp tube sockets for JCM800.

    I have not. I am going to order them to have on hand. I’m ordering some more 100k resistors as well. Will try that first. I reflowed...

    Sep 22, 2020 at 5:55 PM
  5. CROWEMAG replied to the thread preamp tube sockets for JCM800.

    Thanks man!

    Sep 22, 2020 at 5:05 PM
  6. CROWEMAG liked william vogel's post in the thread preamp tube sockets for JCM800.

    I use #4-40 machine screws. They don’t come with the sockets. Careful when tightening, they are small and fragile.

    Sep 22, 2020 at 5:05 PM
  7. CROWEMAG replied to the thread Testing resistors in circuit.

    Ok so I got home and reflowed the connections on all preamp tubes. Boom. I now have the gain. I am going to clean up topside and make...

    Sep 22, 2020 at 2:53 PM
  8. CROWEMAG replied to the thread preamp tube sockets for JCM800.

    Awesome do these typically come with the screw and lock nut? If not what size do I need? Thanks!

    Sep 22, 2020 at 1:13 PM
  9. CROWEMAG replied to the thread preamp tube sockets for JCM800.

    Yeah! I am confident in doing that as I have had to drill rivets before.

    Sep 22, 2020 at 1:08 PM
  10. CROWEMAG posted a new thread.

    preamp tube sockets for JCM800

    Could someone point me in the right direction of some high quality preamp tube sockets for a JCM 800??? Thanks!

    Forum: The Workbench

    Sep 22, 2020 at 9:49 AM
  11. CROWEMAG replied to the thread Rocker switch replacement - Discharge caps?.

    The answer is........always discharge. It takes not time at all and makes all the difference in regards to safety!

    Sep 22, 2020 at 9:28 AM
  12. CROWEMAG replied to the thread Testing resistors in circuit.

    I have been thinking all night and morning about what it could be and I think I may know a place to start today. The R4 resistor I...

    Sep 22, 2020 at 6:59 AM
  13. CROWEMAG added new media Upload_2020-9-21_23-1-13_LI to Marshall Amps

    upload_2020-9-21_23-1-13_LI.jpg Sep 22, 2020 at 6:55 AM
  14. CROWEMAG replied to the thread Testing resistors in circuit.

    Thanks for all of the advice, guys. I originally got this amp bone stock and like many of us decided I wanted to try one of the many...

    Sep 22, 2020 at 6:07 AM
  15. CROWEMAG attached a file to the thread Testing resistors in circuit.

    [ATTACH] [ATTACH] [ATTACH] [ATTACH] [ATTACH]

    upload_2020-9-21_23-1-13.jpeg upload_2020-9-21_23-1-51.jpeg upload_2020-9-21_23-2-23.jpeg upload_2020-9-21_23-2-49.jpeg upload_2020-9-21_23-3-18.jpeg Sep 21, 2020 at 11:03 PM