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Discussion in 'The Workbench' started by LPMarshall hack, Feb 16, 2020.
So is this what was done on my amp? What does this mod do?
New Religion is like a guru priest dude, he knows plenty of tone secrets, like, tons of tone secrets.
The board has been modified in several places.
The pot is not stock. Somebody changed the pot and didn't have the correct one...
That's not factory.
And a kick ass guitar player as well
Wow! I never knew my amp was molested!
what mods do you see? Any problems?
the thing sounds great
It looks like they were trying to boost the low frequencies up.
That's a pot replacement repair done by someone who had full size pots in stock and didn't feel that it was worth the trouble and effort to order up a pot that was a direct replacement for the original solder-in type.
It's actually an improvement, and it'd do no harm to replace them all in the same manner.
i just took a quick look at the post, I think you're going to have to ask him, he's pretty friendly bro, just message him, ask him why is a bypass cap on r5 on a jcm900 a good idea.
yeah, New religion plays damn good, I get the feeling he's not even trying. New Religion is the type of guy you wanna go to a bar with. In mexico.
The bypass cap on R5 is to increase the low frequencies (it's my modification done by somebody else).
No I did not do this amp.
You mean you “invented” this mod?
The jcm900 is ripe for molestation.
Mine has a puff daddy oversized Presidential Daytona fly-buy output transformer, more bass, more love. About the size of a 4xkt66 plexi o/t.
I had a tech (Bob Gjika) go through it several years ago. He put new tubes in and biased it. Found a burnt register and changed it out.
spunds great! I’ve gigged it for years
the pot replacement may be a mod. different value.more range/more of something.
Yes bypassing R5 was my idea.
Any other mods or changes you see?
That’s cool! And it’s to boost some lower freqs? Makes it “bassier “?
" to the cxxxksxxxxr who modded my fxxxxxg amp, what the fxxx does the cap do over r5, why the fxxx is that pot bigger than the others? Its like one testicle is twice the size of the other you cxxt.
Man-up and contact me you yellow son a Bxxxx.
I didn't know you'd molested my amp you cxxt, some weirdoe had to tell me online.
Talk to me, my cell number is XXXXXXXXX"
PS: it sounds grrrrrreat!!
yeah, by cutting certain frequencies you boost others. what that mod does precisely is still a mystery, seeing as ampmadscientist told us he designed the mod, he may confirm.