Hi Gerald, I’m Louie. Sorry you had to wait awhile but I’ll do my best to help.
Initially, bear with us; re-confirm and post back with the complete model number of the Tascam device.
can you connect a Tascam D88 to a peavey FX32 mixer?
Might the Tascam perhaps be a DA-88 ?
Appreciate the confirmation.
Proposed connections (if have not been tried):