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DIY Stompboxes => Building your own stompbox => Topic started by: jasonober on June 30, 2004, 01:59:32 PM

Title: LPB2
Post by: jasonober on June 30, 2004, 01:59:32 PM
I've built 2 LPB circuits that i want to wire off of one switch to change between the two without bypass so that i can set different amounts of gain for different guitars( HB or SC)          any suggestions?
Title: LPB2
Post by: Marcos - Munky on June 30, 2004, 03:00:08 PM
This is the switch:

to LPB 1 input---|      |---to LPB 1 output
to guitar input---|      |---to amp output
to LPB 2 input---|      |---to LPB 2 output
Title: LPB2
Post by: audioguy on June 30, 2004, 03:04:49 PM
What about to run 2 of them at once? Obviously would require different switching, but would you need to alter or remove any of the input or output caps?
Title: LPB2
Post by: sir_modulus on June 30, 2004, 03:07:14 PM
Hello, and welcome to the forum. This is how i would do it.
Follow this schematic:
http://fuzzcentral.tripod.com/faq/circuitwiringdpdt.gif
now that shows one channel and bypass. Now do you see the shorting wire on the switch? Remove that, and use those two leads as they are used above. If you have a 3PDT switch, You would have used two/thirds already. Use the remaining swith as follows, put 9V to the middle, and an LED and resistor on both sides. This gives you LED indication. Now, if you want, use another switch to get Bypass over the whole effect.
Title: LPB2
Post by: puretube on June 30, 2004, 05:02:06 PM
Quote from: audioguyWhat about to run 2 of them at once? Obviously would require different switching, but would you need to alter or remove any of the input or output caps?

loudest one to the egg wins...
Title: LPB2
Post by: jasonober on June 30, 2004, 11:47:15 PM
hey thanks for the help    can probably handle it from here i'll let you know how it went.
Title: LPB2
Post by: jasonober on July 03, 2004, 03:35:12 AM
so   aside from ab boxes and a true bypass switching system this was my first build and with the help of this forum it's successful (no debugging!)    I guess now i'll start thinking about an enclosure    thanks