Kley De Jong | 3 years ago
This video takes a deep dive look at a 1973 Silverface Fender Bassman 10. This amp is a 4x10 combo and is a solid amp to begin with. I perform a service to get it to proper working condition for many years to come. I also do some analysis of the circuit and perform some simple tone mods to give the amp some needed versatility.
0:00 - Intro
1:14 - Background
2:39 - Breakdown
11:37 - Filter Cap replacement
13:48 - Power Cord and Death Cap circuit
15:24 - Are the old caps working?
16:31 - Pentode / Triode switch
17:43 - Studio Channel
18:56 - Startup testing
20:20 - Setting proper bias
26:00 - First tone test
26:49 - Bass Channel "Tweed" mod
29:06 - NFB switch mod
30:38 - Overview of all changes on the schematic
32:10 - Final tone demo and features walkthrough
Schematic - https://live.staticflickr.com/65535/51702490203_b29cae8a1f_o.png
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