High speed cassette duplicator Cassette type Normal bias cassette Tape speed 23.75cm/sec Copying time Approx.6minutes using c-60 cassette Frequency response 63hz-10000hz Total/harmonic distortion Less than 3.0% Rewind time About 50sec Wow and flutter Less than 0.23% wrms Recording bias frequency approx. About 240 khz Signal-to-noise ratio: 46db, peak level recording Power requirements Ac110/220v 50-60hz 470*320*145mm 13kg