[sdiy] organ screaming

Antti PitkXmXki anpitkam at hotmail.com
Thu Jan 18 17:43:10 CET 2007


>From: bill bigrig <billbigrig at yahoo.com>

>  i have a moog CDX. i bought a used leslie 700 and
>hookes up a diect in system for it with a Leslie plug.
>1/4" input. It sounded OK but the CDX sounds wimpy in
>the bass octave. I inserted a Paia Stack-in-a-box, and
>it came alive. We're talking James Gang live album
>sound. Not stackiky overdrive, but the bals out
>grinding sound. With bottom end balls. Just a thought.

Cool!!! I'm currently building a PAiA Hifi Tubehead for the exact same 
purpose! That is to make my vintage organs scream, which are a couple of 
Farfisas and a Yamaha combo organ - especially the too-clean-sounding Yamaha 
will propably benefit from the PAiA. Do you find the extra features of the 
Stack-in-a-box useful for organs? I mean the speaker emulation filters etc. 
The Tubehead lacks these but it's double channel. How easily do you get the 
"bad" opamp clipping with the Stack-in-a-box?

I can't wait to get the Tubehead done, but a couple of resistors were 
missing I think (or uh, they were the wrong value I think), and I've been 
too busy to even go to the electronics shop to get the resistors! I also 
need to find a right part for building a power supply jack - I bought a 
screw type jack, but then realised that it's not insulated, and the power is 
AC and the case is metal - luckily I didn't build it that way before 
noticing that it's maybe not so good idea! :P

Antti P.

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