Oh, no, you don’t want to connect a sub to a preamp’s tape output. That would feed a fixed level signal to the sub. In the OP's case, Y-cables connected to the preamp out (which is after the volume control) is the way to go.
There we have it guys, I’ll connect the subs through the pre with the Y RCA. For giggles and grins I’ll also try connecting a sub on my garage stereo through the tape out with monitor just to see how it sounds. I’m sure I’ll be posting again with questions as I upgrade all my 1990’s era equipment to match the silver faced 1280 receiver Thanks for all the help and everyone’s time!
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