Dolby Level B-Type Test Tape, 0.15″ (3.81 mm), 4.76 cm/s, 400 Hz, 200 nWb/m, Item no. 76462

Description

 
The reference signal tone provides the Dolby B reference level during playback and is used to set the gain of the playback amplifier. The tape has the following parameters:
 

Tape speed:
4.76 cm/s
 

Signal:
400 Hz
 

Reference value magnetic flux:
200 nWb/m (ANSI)
 

Flux level (relative to the reference value):
0 dB (± 0.2 dB)
 

Duration:
approx. 10 min.