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Old 04-07-2013, 12:54 AM   #1
W4RP1G
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Small DIY electric guitar 3-band EQ schematic

Does anyone have a link to one? I'd like to build a tiny 3-band eq that I can mount in my control cavity. No bells and whistles, just something with 3 trim pots for bass/mid/treble cut. I just want something that I can dial in to make a bridge pickup sound closer to a neck pickup with the flip of a switch. My initial plan was to use a tone switch, but an EQ that I can tweak would be better.

Also, I'm a novice at this stuff, so any advice is appreciated.
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Old 04-07-2013, 01:44 AM   #2
Invader Jim
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For a 3 band eq the insertion loss will be high so you'll need a gain stage befpre and after the tone control section. as for schems, look at a diagram for pretty much any fender amp.
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Old 04-07-2013, 01:53 AM   #3
CodeMonk
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You can also get Duncan Tone Stack Calculator.
Its basically a tone stack calculator and simulator.
It has several different tone controls and lets you mod them and simulate it.
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Old 04-07-2013, 01:40 PM   #4
W4RP1G
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Quote:
Originally Posted by Invader Jim
For a 3 band eq the insertion loss will be high so you'll need a gain stage befpre and after the tone control section. as for schems, look at a diagram for pretty much any fender amp.

Ah that's what I was afraid of. I'd prefer to just buy something if it's going to be complicated to make, but every onbard EQ I've seen is large and obvious.

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Originally Posted by CodeMonk
You can also get Duncan Tone Stack Calculator.
Its basically a tone stack calculator and simulator.
It has several different tone controls and lets you mod them and simulate it.

Wow, that's pretty awesome.
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Old 04-07-2013, 02:50 PM   #5
Invader Jim
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Its not really complicated per se. the parts count will be a bit higher though. a simple one-transistor or opamp gain stage before and after will do.
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