I'm not sure why I don't know this.. but would you throw an EQ pedal in front of the amp or put it through the effects loop?
effects loop works better.

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I mean, eq is one of the things that can easily sound good going through either.
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I find EQ works better through the effects loop. You can put it in front of the amp, but if you're using distortion, I find it's better to shape what you hear after the signal's been routed through the preamp, instead of shaping the tone before it's distorted.

I would like to try two EQ's, though...one in front, one in the effects loop.
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