• WARNING: Tube/Valve amplifiers use potentially LETHAL HIGH VOLTAGES.
    Building, troubleshooting and testing of these amplifiers should only be
    performed by someone who is thoroughly familiar with
    the safety precautions around high voltages.

GU-48 Tube amplifier 833A

Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.
My custom made little monster needs new tubes . I use new russian made GU-48 tubes now it sounds good,but I want to get RCA 833A tubes.I know it will sound better.I would buy a pair of RCA 833A or Tungsram OT400.
this is my little baby and some pictures
https://www.youtube.com/watch?v=a5lW3LDBjgw
 

Attachments

  • rsz_dsc_0144.jpg
    rsz_dsc_0144.jpg
    691 KB · Views: 637
  • rsz_dsc_0140.jpg
    rsz_dsc_0140.jpg
    130.6 KB · Views: 614
Status
This old topic is closed. If you want to reopen this topic, contact a moderator using the "Report Post" button.