(
RF-magnetic biasing
=r
;
Record Level
app. 30 mV Output
4
i
Test cassette
1: Tape speed test cassette 3 150 Hz
Test cassette 21: 400 Hz Dolby-level 200 nWb/m
400 Hz —20 db, 10 kHz —20 db
Signification:
10
R 137 ,J3
= Left channel
R 137', J3' = Right channel
>= greater than...
<= less than...