Track system: 4-track, 4-channel, multi channel system. Heads: 1 x record, 1 x play, 1 x erase. Motor: 2 x reel, 1 x capstan. Reel size: up to 7 inch reel. Wow and flutter: 0.07%. Frequency response: 40Hz to 22kHz. Signal to Noise Ratio: 61dB. Total harmonic distortion: 1%. Output: 0.3V (line). Dimensions: 416 x 410 x 260mm.