Revox A76

5
.
8
.
Frequency
response
Test
equipment:
Signal generator,
frequency
94
MHz,
2
mV o.c.v., modulated
with stereo-modulator, 40
kHz deviation, modulating fre-
quency 1
kHz,
no
pilot signal.
Distortion analyzer (or
audio
mlllivoltmeter).
5.8.
1 .
Tuner:
Power switch depressed,
adjust frequency on generator to obtain zero
indication
on
CENTRE TUNING meter
(44)
(approx.
94
MHz).
5.8.2.
Adjust distortion analyzer
(
or mlllivoltmeter
)
to
obtain a
reference reading.
5
.
8
.
3
.
Change modulating
frequency
to
30
Hz output
deviation:
0
dB
15 kHz output
deviation: deemphasis
50
/xs
:
—
13.5 dB
deemphasis
75
/xs
:
—
17 dB
22