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I'd love an RM4 schematic - or even a block diagram (I have the manual). [email protected] Thanks!!!

This is how I've been running my rig: Guitar -> RM4 -> Pre Loop Out (mono) -> TC G-Major (mono input) -> TC stereo outs -> Mesa 20/20 inputs -> speakers The upside is I get stereo FX. But there are two downsides to this setup: 1. There is a HUGE gain loss running the TC in series between the...

My RM4 and modules came from Randall stuffed with JJ tubes. I know there are lots of opinions about which tubes are best - and I'd be interested to hear about that. But what I really want to know is, what brand of tubes come in current/new Egnater products?

THANKS!

I'm sure this has been asked/answered, but I've been searching the forums and can't find the answer. Can I put Egnator modules in my RM4? Thanks in advance!

Boy do I feel like a dumba**. I took everything out of my rack to install insulators (so none of the rack gear would ground out on the rack rails) and noticed that, lo and behold, tucked away in a nearly invisible spot on the Mesa 20/20 is a GROUND LIFE SWITCH! Reassembled the rack -...

It treated the symptom. It didn't fix the problem. :)

Well, since they still hummed when the were 20 ft. apart, chances are isolating them from the rack won't help. :) I wonder if one of them has their AC wired out of phase?

Answering my own message... It aint proximity. I unracked the RM4 and put it across the room from the 20/20. Same hum. I put a ground lift on the RM4 (again) and - what? - this time it fixed it. I re-racked the RM4, still with the ground lift and - fixed. So I'm guessing, one uses the...

2 more modules came today. Same hum. Seems there IS a ground loop between the RM4 and the 20/20. I've swapped all cables but one - the 202/20 power cable, which is hard wired. It's definitely 60Hz. I've never had a ground problem with the 20/20 before (isn't that what we all say, right before...

Thanks for the suggestions. Yeah, I tried the ground lift right away. Subtle difference, if at all. At first I was plugged into my power strip. Then I tried a two-plug wall outlet. Then I tried a ground lift, one device at a time. No change. I've also swapped out the cable between the RM4 and...

So the UPS guy drops off my RM4 and Top Boost module (more modules coming tomorrow). I plug in the Top Boost, conncect the RM4 out to one side of my Mesa 20/20, which drives a single 12" Celestion V30. The lights are on. I set the preamp knobs to 12:00, with master volume off. Switch the Mesa...

I just ordered my RM4 today and am pretty excited. Can someone suggest the best way to connect the RM4 with a stereo FX unit and stereo power amp? The loop sends/returns are mono (right?). But the 2 Post Loop outputs are confusing (dual mono?). Thanks in advance! Ron Stephens [email protected]