General; Connecting The Audio Sources - Revox B251 Operating Instructions Manual

1
SIART-UP PROCEDURE
1.1
General
1.1.1
Gonnecting the audio sources
Audio sources are devices such
as
turntables,
tuners, and tape recorders that supply audio
signals. Tape recorders can both transmit and
receive (record) signals whrch means thatthe
audio path must be connected in both direc-
tions.
Turntable:
- Connect cable (Cinch connector) of
the
turntable
to the PHONO input. lf the turn-
table is equipped with
a
moving
magnet
cartridge, the input
MM
156l is used. Turn-
tables
with moving coil cartridges are con-
nected
to the input MC
[57]
(retrofittable
option. part No. 78670).
-
Connect the skinned end of the thin ground
wire
to the
screw-type terminal [60] (loosen
hexagon nut, slide stranded
wire
under
it
and retighten
nut).
t57I
[56]
Compact Disc digital audio player (cable
C2C
210)
-
The socket for connecting a CD digital au-
dio player
is labeled
with
DISC
[51].
Tuner (cable C2C 210)
-
Connecttuner output lfor8261:
FIXED OUT-
PUT)
to the amplifier input TUNER
1501.
A second tuner (e.9.
AM
receiver) can
be
connected to the AUX input
t551.
Reel-to+eel and cassette record
ers
(2x
cables
c2c
2101
-
Connect recorder output (OUTPUT) to am-
plifier inputTAPE
1
lN
1491.
-
Connect recorder input (INPUT) to amplifier
output
TAPE
1
OUT
i491.
-
A
second reel-to-reel or cassette recorder
can be connected to the input and output
TAPE
2l4gl.
AUXiliary:
-
The
AUX input
is available
for
connecting
additional audio sources. The following
can, e.g. be connected:
third recorder (reproduce only),
second
tuner,
audio signal of TV
set, etc.
MONITOR:
-
An equalizer can be looped in between the
terminals MONITOR lN [53] and OUT [54]
after the connection between preamplifier
and the power stage has been separated.
This can done by pressing the switch
SEPA-
RATED
l52l with
the aid of
a
thin pin that
is
inserted through the hole
in
the rear wall.
Note: the
white
socket always identifies the
left-hand channel.
the red
socket
the
right-
hand channel.
1.1.2
Connecting
the
speakers
To pairs of
speakers can be connected. The
speakers
that are
used more
frequently
should
be
connected to
the
terminals
SPEAK-
ERS
A
[58], the second
pair
to the terminals
SPEAKERS B
l59l
Ensure that speakers are
connected
in
correct
phase relationship. The black terminal on the
speaker box must be connected to the black
(ground) terminal
of
the amplifier the
red
speaker terminal to the
red (hot) terminal of
the amplifier. To
prevent undesirable speaker