Revox C221 User Manual

Service Manual
C221 CD
Player
nÄ/ox
6.5
Channel
separation
.-
To measure
the channel separation
proceed
as
follows:
.
lnsert
the test CD
"Audio
Signals
Disc
'1".
.
Left-hand channel:
Connected
the AC voltmeter
via a 30 kHz
filter to
the PHONO socket
26 L.
.
Play track numbers
71
,72
and
73.
.
Right-hand channel:
Connected
the AC voltmeter
via a 30
kHz
filter to
the PHONO
socket 26 R.
.
Play track
numbers
67, 68 and 69.
(r-
The channel separation
should
be at least 90
dB at 1
kHz,
and at
least 83
dB at 20 kHz.
6.6
Signal-to-noiseratio,
unweighted
.-
To measure
the signal-to-noise
ratio
proceed
as
follows:
o
lnsert
the test
CD
"Audio
Signals
Disc 1".
.
Left-hand channel:
Connect the AC
voltmeter via a 30 kHz
filter
to
the
PHONO socket
26 L.
.
Right-hand channel: Connect
the AC voltmeter via a 30
kHz
filter to the PHONO socket
26 R.
.
For measuring
at digital silence without
preemphasis
play
track
number 49.
.
For measuring at
digital
silence
with
preemphasis play
track
number 50.
(F
The signal-to-noise
ratio
of both channels should be at
least
90 dB
without
preemphasis
and 93 dB with
preemphasis.
43

Revox C221 Specifications

General

Brand	Revox
Model	C221
Category	CD Player
Language	English