GF-600
3-3-2 Audio performance
DISC
ITEM
TRACK No.
FREQUENOY/LEVEL
SPECIFICATIONS
REMARKS
1.Output level
2
1KHz/0dB
6
±
3dB
2.Harmonic
distortion
2
1KHz/0dB
0.5% or less
3.Frequency
response
4,6 100Hz,20KHz/0dB +1,
-3dB
Reference level:
1KHz
4.S/N ratio
7
-
∞
dB
50dB or better
3-4 CASSETTE
DECK SECTION
Before performing adjustments and checks clean and demagnetize the entire tape path.
3-4-1 Mechanical performance
8
ITEM TEST TAPE SPECIFICATIONS
1.Wow and
flutter
(playback
method)
MTT-111N
0.35% or less
(JIS WTD)
2.Tape speed
deviation
MTT-111N
3000
±
120Hz
(Adjustment
points: VR1)
3.Tape speed
drifting
MTT-111N Within
±
90Hz
GF-600
PHONE
Wow & Flutter Meter
Frequency counter
L
R
Fig.3-6
