Members gt_jumper Posted January 22, 2012 Members Share Posted January 22, 2012 I don't really think it needs to be modded. I had mine biased and have an EQ in the loop and it is just fine for me. this My Ultra plus annihilates mesas.... Link to comment Share on other sites More sharing options...
Members magh8 Posted January 22, 2012 Members Share Posted January 22, 2012 EQ in the loop of an amp that is about almost there usualy wields great results Link to comment Share on other sites More sharing options...
Members UVguy Posted January 23, 2012 Members Share Posted January 23, 2012 Here is the transformer in mine. Link to comment Share on other sites More sharing options...
Members tedmich Posted January 23, 2012 Members Share Posted January 23, 2012 NOT a choke, someone has added a 6VDC CT transformer maybe because the heater winding went out on the PT, or they added some fancy DC heater circuit Nice ghetto 'Shack mod! Tear it up! Link to comment Share on other sites More sharing options...
Members UVguy Posted January 23, 2012 Members Share Posted January 23, 2012 Lol. Thanks for the clarification. Link to comment Share on other sites More sharing options...
Members ej Posted January 23, 2012 Author Members Share Posted January 23, 2012 Old thread is old. Link to comment Share on other sites More sharing options...
Members Lucius Posted January 23, 2012 Members Share Posted January 23, 2012 Glad I found it. I'll be getting my ultra plus next week sometime. Gonna mod the {censored} out of it. Add the bias, choke, and perhaps try some of the mods tedmich noted. Cheers, Lucius Link to comment Share on other sites More sharing options...
Members sahlomonic Posted January 23, 2012 Members Share Posted January 23, 2012 Curious, anyone mod their Ultra + to run EL34s? From what I understand there is no bias switch like there is on the XXX/3120, but I haven't read about anyone who has run EL34s. Thoughts? Link to comment Share on other sites More sharing options...
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