Preamp with external processor loop

Thanks ws.  I will do some searching on that.  Cheers!

 Tape loop lets you set whatever you want as input, then there's a separate "Tape in/Tape out" switch.

Tape out is normal, Tape in lets you hear what the processor is doing.

You don’t need an HT bypass at all.  You can use any line-level input (let’s say Aux) and just level match that with your processor.  What I did was set my preamp’s volume knob to 12:00 in Aux and then matched the rest of the processor’s channels to match volume with that.  Then all you have to do is switch to Aux and put volume knob at 12:00 and you’re done.  HT bypass is a little more convenient, but not necessary.  This also opens up a TON more options for you for a preamp. 

The Rogue RP7 (I have one) has a processor loop, and the remote has a processor on/off.  I have a Schiit Loki in the loop I use sometimes, mostly with lower level later night listening for bass boost (like a loudness button!), or with subpar low bass recordings.  

Thanks soix and gakerty. Will be looking into both the options youve shared.