ocr: TAPE RECORDER TAPE CAPSTAN SPOOLS GUIDE - PILLAR MAGNETIC PAD. TAPE RECORD/REPLAY. PINCH HEAD ROLLER GUIDE. PILLAR TINY SPOOLS T: HE inside - TWO a cassette hold enough tape to record up to 120 minutes ofsound. The recording process magnetizes the tape in a pattern that copies the pitch and volume of the sound waves. The width ofthe ERASE HEAD tape is divided into four tracks, SEE giving two stereo channels for ALSO Making a Recording each side ofthe tape.