Revox B251 User Manual

1.4 lndex of operator
controls
1.4.1
Front-panel controls
A General
t1l
POWER/STAND
BY'ON, on/off
button
of amplifier
12)
LED
for
signaling
the
following condi-
tions:
a) Amplifier
connected to
AC supply
but switched
off.
LED is
on
as a
STAND
BY
indicator
b) Amplifier
switched
on: LED
is
on
if
SUBSONIC
l9l
has
been
pressed
c) Amplifier switched
on: LED
is
on
if
an
input
has
been
selected
for which
the SUBSONIC
function has been
stored
tgl
SUBSONIC ON,
button
for
activating
subsonic
filter
[1
1]
TREBLE,
tone
control
for high frequen-
CICS
[12]
BASS.
tone
control
for
low
frequencies
[13]
MODE, mono/stereo selector
[14]
BALANCE
RIGHT,
button
for
balancing
right-hand channel
[15]
Receiver window
of
infrared
control
[16]
BALANCE
LEFI,
button for
balancing
left-hand
channel
[17]
SPEAKERS,
speaker
pair
and
head-
phones
selector
[18]
HEADPHONES,
socket for connecting
headphones
(200
to
600 ohms)
l19l
HEADPHONES, 4-step
switch
for
controlling the
headphones
volume
[27]
DISPLAY,
multifunction
display
window
[28]
VOLUME
-,
button for decreasing
volume
[29]
VOLUME
+,
button for increasing
volume
t30l
-20
dB, button for
decreasing volume
by
-20
dB
[37]
TONE CONTROL,
button for
enabling/
bypassing tone
control
B MONITOR SELECTOR
controls
[10]
PHONO, change-over switch
for capa-
citance of turntable
and
selection
of
moving coil input
(option).
[31]
TAPE 1, source selection: tape
input 1
t32l
TUNER,
source
selection: tuner
input
t33l
PHONO, source selection:
turntable
(in
conjunction
with
switch
PHONO
[10])
l34l
TAPE
2, source selection: tape
input 2
[35]
DISC, source selection: Compact
Disc
digital
audio
player
t36l
AUX. source selection:
auxiliary
input
C
RECORD OUTPUT
controls
t3l
MONITOR, button
for monitor
function:
a)
pressed
:
selected
source
signal
available
at tape
outputs
b)
released
:
source
signal
available
at tape
outputs
is
determined
with
setting
of
RECORD OUTPUT
buttons
14)
TAPE COPY, buttons
for tape-to-tape
copylng
TUNER,
tape output signal
from
TUNER
input
DISC, tape output signal
from
DISC
input
PHONO,
tape output signal
from
PHONO
input
AUX, tape output signal
from
AUX
input
t5l
t6l
l7l
tBl

Revox B251 Specifications

General

Type	Integrated Amplifier
Frequency Response	20Hz to 20kHz
Weight	12kg
Output	Pre out
Speaker Load Impedance	4Ω - 8Ω
Input Impedance	47kΩ