Description
The tape was manufactured according to NAGRA specifications and is used to adjust the gain and frequency response of the playback amplifier in NAGRA tape recorders.
Product specifications:
Tape speed:
9.52 cm/s (3.75 ips)
Bandwidth:
6.3 mm
Track width:
Full-track
Equalization:
IEC 1 (CCIR) & IEC 2 (NAB), 90 + 3180 µs
Reference level:
320 nWb/m ± 5% (DIN)
Azimuth position:
90° ± 3′
Signals, Flux level (relative to reference value), and duration:
375 Hz at 0 dB, 1:00 min.
23.5 Hz at -20 dB, 0:30 min.
31.25 Hz at -20 dB, 0:30 min.
46.87 Hz at -20 dB, 0:30 min.
62.5 Hz at -20 dB, 0:30 min.
125 Hz at -20 dB, 0:30 min.
375 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 kHz at -20 dB, 0:30 min.
8 kHz at -20 dB, 0:30 min.
10 kHz at -20 dB, 0:30 min.
Frequency response:
± 2 %
Frequency response:
31.5 – 4000 Hz < ± 0.1 dB
6300 – 8000 Hz < ± 0.2 dB
8000 Hz – 10000 Hz < ± 0.3 dB
Duration:
approx. 8:00 min.
Reel size:
13 cm
General information:
Leader tape and trailer tape. Length 2 m (7 ft approx.) each. The signal starts approx. 5 seconds after the end of the leader tape.
