100k resisters and R@dioSh*ck input jacks.

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100k resisters and R@dioSh*ck input jacks.

Post by Newbie »

For the inputs on my amp I'm supposed to be using 68k resisters, but I was unable to find them and I bought 100k resisters instead. Will this fry anything or is it ok to use? Also I had to buy stereo input jacks with 3 leads(didn't have anything for guitars specifically) this isn't going to cause problems as well is it?
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zaphod_phil
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Post by zaphod_phil »

Higher input resistor values will cause more loss of high frequency sparkle from your guitar. Personally, I therefore prefer to use lower values, like 10k. OTOH Stevie Ray Vaughan had his amps modded with 100k input resistors, deliberately to roll off some high end.

Basically, your jack sockets shouldn't have any direct connect between the barrel side (aka "ring") and the chassis. They should also have a tip contact that shorts to ground when nothings plugged in, or you will get lots of noise without a guitar plugged in. If you look at the sockets carefully, you should be able to work out if these two conditions apply or not.
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Post by Newbie »

Thank you for the advise. I will jump right into this asap!!
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