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Can two amps be played together


salem

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Posted

Hi. Can two amps play together in stereo if the first amp you are plugged into has an unused input on the same channel, and you then plug a guitar cable into the unused input and plug the other end of the guitar cable into the other amp?

Posted

I'd recommend an A/B switch as well. I've been using a Whirlwind for quite a while and it's fairly versatile. I've used it to run a single guitar signal to two amps, two mixer channels, and even used it "backwards" to send both signals from my DuoTone to the same amp and keep them separated.

Posted

I used an A/B/Y to use two amps in a setup for a little while. Liked the sound, hated having 2x the crap to load in/out.

Posted

Pat Metheny was big on running through multiple amps. Here's a rundown on his rig:

"First the signal is routed from the guitar into a digital delay to achieve some slap echo. It then goes into a Digitech GSP 2101 preamp. After the preamp, the signal is split into three separate channels. One channel remains clean and runs into an Ashly Mosfet 200 power amp where it is then routed out to a 4x10 cabinet containing JBL speakers. The other two channels are individually chorused through the use of two separate Lexicon Prime Time digital delay units. These are very old, large out-of-production units. One Prime Time is set for a delay of about 14 milliseconds, while the other is set for 26 milliseconds The delays are modulated and use a sine wave form to achieve the chorus effect. The outputs of the two delay units are then sent into a stereo Crest 6001 power amp. The chorused channels remain discrete and are then run out to separate 18 inch cabinets, most likely loaded with EV speakers. The thickness of the chorused sound results from the three sources mixing in the air. It should be noted that with the Digitech GSP series multi-effects preamps, it is possible to run a stereo rig with one channel clean, one channel chorused, and reverb on both, all with just the one unit. However, you will need to program in your own algorithm in order to do this."

Posted

:P

I smell plastic burning!!!... i wouldnt suggest it.... but thats just me.... i like the above posters choose to use and A B C switch( i use a morely tripler) and run 2-3 amps at once.... dont fry yer shit dood.... $50 is better than 500

Sir Douglas ;)

Randy ;)

Posted

To answer the original question, yes. We did that all the time back in the day. The potential drawback is ground hum from the amps having different ground potentials, or a possible nasty shock if you're dealing with some older, ungrounded two-wire power cord amps.

Posted
You must but an A/B/Y Box.

Or if you have a chorus or other effects box with stereo outs, you can just use that.

Posted

Salem... you can use 2 amps that way but they'll both receive the same signal and so would be mono.

MCC's solution is the easiest way to run a simple stereo setup... just come out of a stereo effects unit and send the signal to different amps.

Many of todays pedals have stereo inputs and outputs so you could run a few in series and still have your stereo.

Posted
Thanks but you did not address my question. Will my method work?

I figured I'd get called on that. ;)

Actually I was going to post a simple vote for either stereo chorus or stereo delay but decided to see what was out there on Metheny's rig. As others have noted, you could do that and (maybe) not blow up, but the signal would be in mono.

Posted

Or if you have a chorus or other effects box with stereo outs, you can just use that.

Right on. I have a mono-in/stereo out trem pedal and an Alesis NanoVerb, which enables me to do dry mono signal to two amps, stereo reverb/chorus/flanger/rotary, stereo tremolo, or stereo trem plus one stereo effect from the NanoVerb.

If I put the two amps back-to-back, I can get a pretty credible sounding Leslie thang going with the Rotary Chorus and no moving parts.

The stereo trem is way cool, too. Makes the whole room oscillate if you separate the speakers enough.

Posted
Pat Metheny was big on running through multiple amps.

Speaking of, Tuesday Aug. 16 was his birthday -- turned 51.

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