Pioneer ct-339 tapedeck record / playback test

So ive decided to make test recordings, comparisons of tapedecks i manage to grab. Pioneer ct-339 specifications Type: 2-head, single compact cassette deck Track System: 4-track, 2-channel stereo Tape Speed: 4.76 cm/s Heads: 1 x record/playback, 1 x erase Motor: 1 x reel, 1 x capstan Tape Type: type I, CrO2, Metal Noise Reduction: B, C, HX Pro Frequency Response: 25Hz to 18kHz (Metal tape) Signal to Noise Ratio: 76dB (dolby C) Wow and Flutter: 0.055% Total Harmonic Distortion: 1.0% Input: 63mV (line), 0.4mV (mic) Output: 0.3V (line) Dimensions: 420 x 120 x 265mm Weight: 3.9kg Year: 1991