Description
The tape was manufactured according to SONY specifications and is used to adjust the speed, gain and frequency response of the playback amplifier and to adjust the playback head gap (azimuth) of SONY tape recorders.
Parameters:
Tape speed:
19.05 cm/s (7.5 ips)
Track width:
Full track
Azimuth position:
(90° ± 1′)
Signals, Flux level (relative to the reference value) and duration:
4 kHz at 0 dB, 2:00 min.
12.5 kHz at -10 dB, 2:00 min.
400 Hz at 0 dB, 2:00 min.
400 Hz at -10 dB, 2:00 min.
10 kHz at -10 dB, 2:00 min.
Reference value magnetic flux:
250 nWb/m (DIN)
Equalization:
IEC 2 (NAB)
Duration:
approx. 10:30 min.
