The back of my JCM800 has a "Slave out" - how do I use it?

axuality · 12-16-2009, 01:51 PM

It also has a knob to control the output. Is this meant to go to a recorder, or to the front of another guitar amp or power amp or what?

Thanks.

V-man · 12-16-2009, 03:41 PM

Quote:

Originally Posted by axuality

It also has a knob to control the output. Is this meant to go to a recorder, or to the front of another guitar amp or power amp or what?

Thanks.

Be sure you have some good reputable info on this. I have heard that some amp>amp slaving can be hazardous.

American Viking · 12-16-2009, 04:51 PM

It's a direct out for the preamp section. Basically you can use it to push the front end of another amp, into a poweramp, PA, mixer, whatever you want. I have run the DI from a 2204 800 into the front end of a clean 2203 and the tone wasn't that great. Was not horrible either. Another way to use it is if an amp has a series effects loop you can plug the DI from the 800 into the effects return of the series loop and use only the power section of another amplifier.

There's a lot you can do with it but at the same time it can also be pretty useless. Recording with those amps sound better with a mic on the speakers and if you have another amp to drive with it in most cases they just sound better when you A/B them instead of slave one. Now I'm only speaking if you have no crazy effects on a huge pedal board. I suppose you could also have different effects running to the amp you're slaving and what not. I don't know.

I'm not sure if this helped or not, lol. Just experiment with it. Can't hurt anything, and of course, never run the amp without a load connected, but I'm sure you know that.

axuality · 12-17-2009, 10:41 AM

Quote:

Originally Posted by American Viking

It's a direct out for the preamp section. Basically you can use it to push the front end of another amp, into a poweramp, PA, mixer, whatever you want. I have run the DI from a 2204 800 into the front end of a clean 2203 and the tone wasn't that great. Was not horrible either. Another way to use it is if an amp has a series effects loop you can plug the DI from the 800 into the effects return of the series loop and use only the power section of another amplifier.

There's a lot you can do with it but at the same time it can also be pretty useless. Recording with those amps sound better with a mic on the speakers and if you have another amp to drive with it in most cases they just sound better when you A/B them instead of slave one. Now I'm only speaking if you have no crazy effects on a huge pedal board. I suppose you could also have different effects running to the amp you're slaving and what not. I don't know.

I'm not sure if this helped or not, lol. Just experiment with it. Can't hurt anything, and of course, never run the amp without a load connected, but I'm sure you know that.

Thank you, man. You've really helped. This is really my first tube Marshall, and I'm almost aroused, I like it so much.

I started playing with a Sears tube amp, then '65 Super Reverb, then '65 Dual Showman,...didn't appreciate tubes because back then no one really did, because there WERE no SS amps I think. Now, I'm realizing just how good tubes were. ha ha slow learner.

I see you have a Marshall or two.

axuality · 12-17-2009, 10:42 AM

Quote:

Originally Posted by V-man

Be sure you have some good reputable info on this. I have heard that some amp>amp slaving can be hazardous.

Yea, I can imagine. Thank you.

12-16-2009, 01:51 PM	#1 (permalink)
axuality Senior Member Join Date: Apr 2009 Location: Eau Claire, WI (by Minneapolis) Posts: 240	The back of my JCM800 has a "Slave out" - how do I use it? It also has a knob to control the output. Is this meant to go to a recorder, or to the front of another guitar amp or power amp or what? Thanks. __________________ All ad-lib guitar, all the time, including onstage. www.youtube.com/BrianButlerUS www.axuality.com

12-16-2009, 04:51 PM	#3 (permalink)
American Viking Senior Member Join Date: Jan 2009 Location: RICHMOND, VIRGINIA Posts: 4,042	Re: The back of my JCM800 has a "Slave out" - how do I use it? It's a direct out for the preamp section. Basically you can use it to push the front end of another amp, into a poweramp, PA, mixer, whatever you want. I have run the DI from a 2204 800 into the front end of a clean 2203 and the tone wasn't that great. Was not horrible either. Another way to use it is if an amp has a series effects loop you can plug the DI from the 800 into the effects return of the series loop and use only the power section of another amplifier. There's a lot you can do with it but at the same time it can also be pretty useless. Recording with those amps sound better with a mic on the speakers and if you have another amp to drive with it in most cases they just sound better when you A/B them instead of slave one. Now I'm only speaking if you have no crazy effects on a huge pedal board. I suppose you could also have different effects running to the amp you're slaving and what not. I don't know. I'm not sure if this helped or not, lol. Just experiment with it. Can't hurt anything, and of course, never run the amp without a load connected, but I'm sure you know that.

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