Customizing an input jack with a resistor?

Wayne Carver · Post by **Wayne Carver** » 12 Dec 2003 8:07 pm

When using my PA amp with my lap steel the microphone input is ok but with my console which has a 10 string Jerry Wallace pickup it is too hot. The line input is not hot enough. Since I have 2 mike inputs could I put a resistor on 1 to tame it down a little? Would I place it inline on the hot/positive or from the hot to ground? I was thinking of trying a 100k or 47k.

Peter · Post by **Peter** » 13 Dec 2003 12:19 pm

Rather try a preset pot of 500 k or even 1 Meg. The slider goes to the PA whilst ground connects to one side and the pickup to the opposite side. You can also use a normal pot mounted in a little box, with an input and output jack. You can also look how your volume pedal pot is wired, and you can do the same for the preset.

Bill Crook · Post by **Bill Crook** » 13 Dec 2003 12:41 pm

Wayne........

With most amps, the 2nd input jack has a lower amplifier gain than the 1st jack. Eventho they both go to the singular pre-amp stage,The input resistors are usually ½ the value of the other,resulting in a lower input level.

Hope this works for you..

<FONT SIZE=1 COLOR="#8e236b"><p align=CENTER>[This message was edited by Bill Crook on 13 December 2003 at 12:43 PM.]</p></FONT>