Tascam Starter Pack for 4-Track Cassette Recorder Microphone "414 manual" Questions

414 as a mixer so i can run 2 pianos and my computer through my 2 monitors - need help in hooking everything up I would connect the 2 pianos to 1-2 and 3-4 (assuming you want to use the stereo outputs

...414 I bought this one off of ebay. The problem is with the pitch knob. It worked once but never again. Played back a song I compiled and my singing sounded almost like a womans voice. I could only ...