-
Originally Posted by jkstigma
Are you able to work on the amp without killing yourself? :-) If not take the amp to a tech and have him/her look at this link:
Used Pro Jr with inherited filter caps | The Gear Page
There are lots of "mods" for the PJ on the web. If yours is an earlier model with 22UF caps in all four psu filter locations, two of the HV PSU's (C15 C16) filter caps should upped to 47UF. If it's a III with one 47uf at C15 then a 100uf is your fix.
-
12-23-2015 09:52 AM
-
Originally Posted by jkstigma
-
Originally Posted by jkstigma
Some vendors encourage substitutions, but they have a financial incentive to do that since it drives up sales.
Tube substitution make the most sense for folks who want to drive them into clipping and are looking for different breakup characteristics. Since I play clean, I'm more concerned with having a good quality tube that my preamp circuit was designed for. I've substituted tubes a few times, but got much better results from experimenting with tone and volume control settings, both on the amp and guitar.Last edited by KirkP; 12-23-2015 at 12:52 PM.
-
This guy is talking about the Blues Junior not Pro Junior, but his advice seems very good...
http://billmaudio.com/wp/?page_id=131
-
great article
have you ever read this one ?
http://www.instructables.com/id/Mod-...o-Jr/?ALLSTEPS
take a look at step 8 and 12Last edited by jkstigma; 12-25-2015 at 05:20 AM.
-
experiment
-
before 5 years i replaced the stock factory tubes with jj tubes
yesterday i found the old factory tubes....a don't know which company made this tubes for fender....but on the tubes it's writing just... <Fender 12ax7a>
..i just took the one of them and put it on V1 !!!
Much less bzzzzzzzzzzzz () and wonderfull sound
12ax7a ???
in groove tubes i can see only 12ax7 C or M or L
i just read on the net that 12ax7a has a spiral filament to reduce hum that is the difference, is that truth ?Last edited by jkstigma; 01-05-2016 at 09:48 AM.
dearmond 1100 reissue vs original which one is...
Today, 03:30 PM in Guitar, Amps & Gizmos