3 head / monitor thru. Fine bias. Dolby B and C. Headphone level. Black face. Calibrated to Philips NAB Standard C. Display meters by design read 1 dB low. Excellent rec/play quality. Virtually unused. Machine is dual capstan design and can sense if tape is correct tension. Will shut off if not correct. Deck by design takes 10 seconds to warm up. Condition 9