Description
This tape is used to adjust the gain and frequency response of the playback amplifier.
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:
1 kHz at 0 dB, 2:00 min.
20 Hz at -20 dB, 0:30 min.
31.5 Hz at -20 dB, 0:30 min.
40 Hz at -20 dB, 0:30 min.
63 Hz at -20 dB, 0:30 min.
125 Hz at -20 dB, 0:30 min.
250 Hz at -20 dB, 0:30 min.
500 Hz at -20 dB, 0:30 min.
1 kHz at -20 dB, 0:30 min.
2 kHz at -20 dB, 0:30 min.
4 kHz at -20 dB, 0:30 min.
6.3 kHz at -20 dB, 0:30 min.
8 kHz at -20 dB, 0:30 min.
10 kHz at -20 dB, 0:30 min.
12.5 kHz at -20 dB, 0:30 min.
14 kHz at -20 dB, 0:30 min.
16 kHz at -20 dB, 0:30 min.
18 kHz at -20 dB, 0:30 min.
1 kHz at 0 dB, 0:30 min.
Reference value magnetic flux:
250 nWb/m (DIN)
Equalization:
IEC 2 (NAB)
Duration:
approx. 12 min.
