JCM800 build report ...and photo

Started by MartyMart, February 07, 2006, 09:33:13 AM

Previous topic - Next topic

MartyMart

Thanks to Electriclabs and Vanhansen for their work on this, it's a great amp sim.
I seem to be collecting Jfet amp sims these day's !
I built one without the tone stack, as I'm running either through a Boss PQ4 to
condor or into an amp, it gives me enough control over the tone, which is great
and "open" sounding without any eq at all !
I have the rest pretty much "stock" though I used the ROG setup at the output
using 2 X 15k resistors with 2n2 caps to ground, just pre volume pot.
I placed a 1M to ground at Q4's source, where the 1M master vol would go
( perhaps I'm missing something here ? )
Also used a 33k input resistor and 2k7/470n from Q1's Gate
It has a very good gain range, TONS of output and a great "spanky" bright sound
just as it should !
Superb, nice work chaps, I'm very impressed with it  :D
( it will get used later in the week for some recording sessions, so I'll post a clip then :D )

Marty.
"Success is the ability to go from one failure to another with no loss of enthusiasm"
My Website www.martinlister.com

vanhansen

Cool, Marty.  I'm glad to see that folks are enjoying this one.  I'm sure Electric is as well.  By putting the 1M at the Master Volume, you've essentially set it where the pre-amp is open full bore so with the gain all the way up, if it were the actual JCM800 amp, your neighbors 2 towns over would be complaining...lol. :D

Gotta have clips.  ;)
Erik

MartyMart

"Success is the ability to go from one failure to another with no loss of enthusiasm"
My Website www.martinlister.com