Hello,
I recently bought a Tascam 44-OB & 42B-NB, both came rack mounted to carts and with full service manuals. The 44 has both RCA & XLR in/outs, but the 42B has only XLR. It appears that later 42B's did away with the RCA & Punch-in ports. There is instead a stereo 1/4" port marked "Test...