Tube Amp Archive

Hi ! As I mention before I ask Fender to send me a schematic. Well, after sending 2 mails and 2 weeks later I got A answer :As this is still a current product, the schematics are currently classified. Like a simple amp like that is a BIG secret !? Okay, I just make a schematic, no big deal , but I w...

Hi ! As I mention before I ask Fender to send me a schematic. Well, after sending 2 mails and 2 weeks later I got A answer :As this is still a current product, the schematics are currently classified. Like a simple amp like that is a BIG secret !? Okay, I just make a schematic, no big deal , but I w...

Thanks for the info !
And yes I will change out the 2watt resistors and the big caps

Best regards OJ

Hi ! I have a pro junior on my desk and newer Pro and blues junior are now cathode bias . there is no schematic on pro (have contacted Fender 2 times no answer ) but there is on Blues : https://www.guitarscanada.com/cdn-cgi/image/format=auto,onerror=redirect,width=1920,height=1920,fit=scale-down/htt...

Just FYI, ESR (capacitance) meters often fail to flag caps that behave badly under high voltage. Second thing I would expect is lead dress (coupling or oscillation)....but not very likely in a Fender production amp! Definitely try playing this amp through another, external speaker, to rule out the ...

No that is the old schematic, I think the one am looing for is after 2022 like the blues junior i posted.
But Thanks anyway

Best regards OJ

Thanks for your response Stevem ! Yes is hade to find a schematic for this amp, have written to Fender but have got no answer get. But I did find a schematic for Blues junior (same out put section as PR) https://www.guitarscanada.com/cdn-cgi/image/format=auto,onerror=redirect,width=1920,height=1920,...

Hi !
I just got in a Pro Junior and is quit new, and on this one R39 and R40 is elevated and R39 is dead.
I can't find any schematic whit that high R numbers.
Do any of you have a newer schematic for this amp ?


Best regards OJ

What happen to he Unleash V2 ?
BadCat don't make this anymore.
I have not try them, but on paper I like there features.

Amp healer, AK "OJ"