Hi,
I pre-ordered a Tone King Imperial mkII Preamp Pedal that I’l like to use as an additional preamp for my ‘59 Bassman reissue. According to their directions, it can be fed into a an effects loop and will they bypass the Bassman preamp when engaged.
Can I use the PS-100 effects loop to do this? The loop must be in series, not parallel to work. Which does the PS-100 have?
It is a series effects loop. You will need to either use the Fryette Cyclops to allow the switching between the preamp or the Bassman. Otherwise you will have to unplug the “amp in” on the ps100 and use the “line in” input for the preamp. Hope I am making sense.
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This is great! Thank you! If I buy the Cyclops, where would it go? Would it go before the Imperial in the effects loop?
It’s a whole process. I currently don’t have a use for one. I would only use a separate preamp if my main amp is down and I’m too lazy to retube it. So unplugging it from the amp in on the ps100 to allow preamp to take over is no big deal for me. In your case I recommend the cyclops. Also, get the foot switch for it so you won’t have to hit the center switch on cyclops to cycle between preamp and attenuated amp. There are videos to explain how to hookup as well as demos. Best of luck down your rabbit hole. We all have our own. Sometimes too many. 
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Thanks. I ordered a Cyclops and a foot switch.