Serial loop level fx on einstein

[stormrush]

Hello
Any one know the level impedence out on serial loop send return fx loop on my einstein head.....i want to connect pedal mxr mc401 boost for solos and it seems monster loud at 0db on pedal
Thanks

 

[Vin Diezel]

imho, you should put a volume pedal or volume switch in the loop (25kOhm), not a boost. That's all you need.
I'm pretty sure the mxr is rather for instrument levels.