About the Sony TC-788-4

Released in 1974, you can read the full specifications after the break. This particular model does not have ferrite heads.

Type :
1/4 tape, independent 4-track / 4-channel
Tape speeds :
38cm/s and 19cm/s
Maximum reel size :
26cm
Frequency response at 38cm/s :
20Hz...35Khz (SLH tape)
30Hz...28Khz (SLH tape, ± 3dB)
20Hz...30Khz (normal tape, NAB)
Frequency response at 19cm/s :
30Hz...28Khz (SLH tape)
30Hz...23Khz (SLH tape, ± 3dB)
20Hz...23Khz (normal tape, NAB)
Bias :
160Khz
S/N ratio :
56dB (SLH tape)
53dB (normal tape)
Wow & flutter :
0,04% (38cm/s, WRMS)
0,06% (19cm/s, WRMS)
THD :
1,2% (SLH tape)
Inputs :
4x MIC (0,2mV / -72dB)
4x line (0,06V / -22dB / 100kOhm)
Outputs :
4x line (0,43V / -5dB / 10kOhm or higher)
2x headphones (8 Ohm)
Power Consumption :
70W
Dimensions :
44,8 x 55,8 x 22,7cm
Weight :
26,5kg.