Tube Amp Archive

Figured it out. I had bypassed the anode resistor. It works alright now. The "Tweed" channel has a huge amount of gain. The original MOD102 design has higher gain in both stages to compensate for the signal loss in the tonestack. When I turn up the tweed volume it goes from zero to almost max in a s...

If this attachment works right, it should show my intention.

[img581]https://tubeamparchive.com/files/mod102_mod_999.jpg[/img]

Thanks for the quick replies. "Schematic? Pictures?" I was going to upload a couple but had to run to a meeting. Should hopefully have them up soon. "Just on the off-hand chance you've got a DPDT switch where the common (wiper) connections are at one end, rather than in the middle (where we all expe...

Hi, I just built a DIY MOD 102 as my first amp build. It went together really quick and sounded pretty good as is. The only problem was a slight hiss (peaks between 2800 and 3300 Hz) when the volume was above 5 or so. I wanted to do a couple mods as a first timer, so I started playing with the tones...