This nice little amp was working when I got it, but it was hardly impossible to get any clean tones from it and the tremolo did not work at all. In this video we open up this vintage gem (early 60s) and try to tackle these issues.
First inspection demo video:
Post repair demo video:
Schematic:
#vintagetubeamp #davoli #restoration

Introduction: (0:00)
Cleaning pots: (0:11)
Voltage selector: (0:52)
Disconnecting speaker: (1:53)
Removing chassis: (3:49)
Clean tube sockets: (4:22)
Transformers: (4:53)
Somebody's been here before: (5:30)
Dead resistor found: (7:20)
Effect of 3-prong on noise: (8:30)
Broken tube socket tab: (9:11)
New output sections: (9:54)
Removing the pots: (13:46)
Tremolo hounds, rejoice: (14:49)
Testing the tremolo capacitors: (16:11)
Installing 3-prong power cord: (17:09)
Installing new input jack: (17:43)
Speaker inspection: (19:07)
Detachable speaker jack: (22:34)
Checking speaker polarity: (23:43)
Re-assembly: (25:32)