Pioneer CT-1270WR Service Manual page 25

C T - 1 2 - 7 0 W R C B K 3
Test tape STD-331 B
Tape selector NORM
D O L B Y NR switch
O F F
• Due to "edge effect", compensate the right changed by - 1 dB at
63Hz.
— ,
Fig. 11-7 Allowable playback frequency response zone
3 7