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Can I hook a guitar amps pre amp out into another guitar amp's pre amp in without hurting anything? Thanks.

Yeah, it's called daisy chaining or slaving. You connect 1 amp's preamp out into the FX loop return on amp 2, NOT the input on the front! While plugged into amp one, that preamp tone will be going to both amp's power section. If they're heads, make sure they're still both plugged into their own cabinets. Don't do it while they're on.

If you have 4 input Marshalls or 4 input Bassmans, you can chain them together by using the input jacks on the front, but only on those kinds of amps.


Originally Posted by GearjoneserIf you have 4 input Marshalls or 4 input Bassmans, you can chain them together by using the input jacks on the front, but only on those kinds of amps.

Yep, you can do it with Rivera Knuckleheads, too; they call it slaving. It works in a unique way, too. You plug into the low gain input on head #1, and the high gain input becomes the slave output for the next Rivera ... you connect the high gain input/slave output of KH 1 to the low gain input of KH 2, and so on ...

Years ago i had a Fender Princton Chorus amp... Nice fussy sound but no volume... I had ended up buying a then new louder Fender Ultra Chorus amp and hooked those 2 up.... Man what an interesting huge solid state chorused sound hooking those 2 amps up.... Andy Summers type sound! I even used that Ultra Chorus amp in stereo with a small Marshall combo and it added some interesting sounds... I have a Princton Chorus at home now but oneday i want to pick up a cheap Ultimate Chorus amp used... They have a little more balls to them over the gutless Princtons that the speakers crap out on with the volume above 4!!!!!! sh*t for speakers in those things..... Fun solid state toys mind you... Nothing replaces a good tube amp but these chorus amps can be really fun to fool around with for these huge chorused stereo sounds.

WhoFan

lets say you have a standalone presonus stereo preamp. Could i plug the output of channel 1 into the input of channel 2 for a stacked preamp sound?

The thing to remember is to always note the level of the signal and the type of inputs/outputs you have.

The front side of a guitar preamp is instrument level. Instrument level inputs have an impedance range and a signal strength range. Running a line level (preamped) signal into an instrument level input usually doesn't work out so well. There is an impedance shift that sucks tone and the line level signal usually causes far too much clipping. This is why rack units usually sound like garbage when run in front of the preamp instead of into the loop.

Running the Presonus ch1 output into the ch2 input will most likely get you alot of distortion but not alot of tone. You won't cook anything but you you probably won't get useable tones form it.