Tube Amp Archive

Ty Tubeswell

I would like them run hoter 7mA is to low...
I have 35mA on my twin reverb...

Do you think that adding trimmer instead of 15k is bad idea?

Amp works grat but I have problem cause this model has no bias adjusting pot.....instead of it ....here is bias balance pot...... Reason why I need adjustable bias is cause my NOS Ei 6L6GC tubes have only 7 mA on pin 3 when i measured. Now I am searching good schematic to solve bias adjust problem.....

ty

works now

I just received accutronics reverb tank for my twin reverb Can anybody tell me what is proprer connectinon between amp and unit? Should I plug reverb tank output to amp reverb output connector.... I mean is it ok to plugg out to out and input to input...? I am confused cause here I have two differen...

ty for advice.... I have done detail inspecting...and I am shure that all primary windings are original.......just as 330v secondary is orignal too.... I recognize that....cause here I can see original paper between windings fixed with some kind of shellack.....and simply I can see that there were n...

So I have a friend who can rewind 98v secondary for me......

Does anyone knows what string diameter is good for 98v prebias secondary winding if we know that current has to be 50mA???

Of course ...I am working on completly restauration......backing up amp in original shape... This is the reason why I have to rewind 98v secondary....cause it is missing ....it is prebias secondary ... So if someone can halp about this... I alredu bought OT tranny few missing resistors and one elect...

some pics: [img:800:600]http://img259.imageshack.us/img259/9651/200920102252.jpg[/img] [img:800:600]http://img821.imageshack.us/img821/3861/200920102253.jpg[/img] [img:800:600]http://img801.imageshack.us/img801/4518/200920102255.jpg[/img] [img:800:600]http://img824.imageshack.us/img824/8382/20092010...

Hallo friends I am currently working on two amps restoring......first is 1969. Bassman....second is JCM800 model 4211... I am here to ask for few very important informations for my projects... Let me describe what I am realy doing: JCM800 was changed to solid state power amp section by somebody... S...