SpiderWars
Well-known member
This is my experience as well. You can't just change the level of the loop without changing (and imo somewhat neutering) the tone. That last tube after the loop, F4, gets overdriven and smooths the tone. Cut the level and it no longer overdrives the same.Giga":3c4ww16h said:"Mushy" may not be the best way to describe the effect of cutting the signal in the loop of a stock SLO but doing so definitely has a tonal impact on the overall sound of the amp.
It decreases overall gain (or maybe distortion is a better word in this case) and (thus) smoothness of the amp.
Aparently the loop tends to overdrive the next tubes in line which are V4 and/or V5 (PI).
I'm not really sure which one it is but the effect is definitely audible. I tried....
Giga
The loop should be fairly easy in concept imo. Implementation is harder. Just hardwire the existing loop (which just means don't have wires carrying the SEND/RETURN signals to the jacks, just connect those two points internally) and then put a Metro type loop between the MVs and PI and send those signals to the jacks. The biggest challenge here imo is that ideally you'd like to have the Return level on the front of the amp and have it be the global master volume. The channel masters would then just be used to balance the channels and set the SEND level (and you can still add another global send level but that's yet another pot). The fact that a stock SLO doesn't have a global master complicates it a bit imo.