Grateful Dead Music Forum

A place to talk about the music of the Grateful Dead 

 #139427  by Gr8fulGreg
 Fri May 30, 2014 12:28 pm
I cant find the answer ive tried to search over and over and i just cant do it im missing something here....

im trying to wire an on\off switch for my UGB (well waldos UGB) and wire an OBEL

so i have 2 DPDT switches and i just dont know where to go from here... i just need from the volume out to the outputs... PLEASE helppssss meee...
 #139429  by SarnoMusicSolutions
 Fri May 30, 2014 1:27 pm
Can you explain with a bit more detail?

Are you wanting an "on-off" switch to power the buffer on and off.
Are you wanting an "in/out" bypass switch so you can either go thru the buffer or bypass it?

Is your buffer wired after your volume pot? And what value pot are you using?

 #139437  by Dozin
 Fri May 30, 2014 7:10 pm
The UGB should always be on
 #139458  by TI4-1009
 Sat May 31, 2014 10:30 am
First, go through all the Wolf and Tiger wiring diagrams that Waldo has posted on his site- that's where most of us start (thanks again Mike). Trace out the signal path until you understand it.

Second, look at the thread on "buffer or blaster". It talks in detail about how a buffer (active) requires a 25k volume pot, and a no buffer (passive) uses a 500k volume pot. You can't have it both ways without some complicated wiring. Take your pick.

Once you have been through both those information sources come back with any specific questions and we're here to help.