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Revox B261 Operating Instructions

Revox B261
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5
TECHNICAL ANNEX
5.1
Error messages
The following
error messages can appear on
the display:
Errl:
This error message appears
if the D ISPLAY selector
[23]
is in
the
STATION
position
and the
CHARACTER button
[4]
is
pressed.
This combination of
function
is invalid.
Err2:
This
error
message appears if the DISPLAY
selector
[23]
is in the
STATION
position.
the tuner
is
operated in auto tuning or
manual
tuning mode, and the
STORE button
is
pressed.
This
combination of
functions is invalid.
Err3:
This
error
message
appears.
if
either
>
(scan
up)
[33]
or
<
(scan
down)
[34]
is
pressed
and none of the station
memo-
ries
contain any frequencies.
NAME
.
FREQUTNCY
.
STATION
5.2
Technical data and
dimensions
Tuning range: 87 50
to 108 00
M Hz
Frequency rnpui via keyboard,l2.5
kNz channel
pat
tern;
50
or
12.5 kHz
STTPS
push
buttons;
automatic
search
in
50 kHz channe
pattern
AF outpuls:
0utput
FIXED:
Output
vo tage:
Output
VAR ABLE
(Phone-sockets)
2V at 400 Hz and
(Jack
socket)
(Phono-sockets)
Ri
(500
ohms
Rl
) 10 kohms
75 kHz deviaiion
Ri
(
6
kohms
Rl)10 kohms
Ri( 1,5
kohms
Rl
)10 kohms
Station
preselection:
20 siaton selector keys, user-programmable
lor
12 5 kHz channel
pattern.
Programmab e
parameters:
{requency, name,
and tun
ng mode
Accuracy of
quartz
reference:
+
0,002
%
Output
PHONES:
Ri 220 ohms, output voltage 6V at 400 lzandT5
kNz
dev at on
LG Displays: Frequency: 7 d
gits
Stat
on name 4
d
gits
Remote Power On:
6'pole socket with DC supply, contro lable
internal
or
external
(10
V)
Absolute sensitivityl 0,5
pV
measured at75 ohms antenna
rnputfora signal.
to'noise rat o of 26 dB relatlve to 40 kHz dev ation
Power requirements:
fu ro
pe
t]a /r2a /1.40 / 240 / 224/ 244 v AC
+
10
%,
switchable
Carada USA I l5 V
AC,
+
l0
Useable sensitivity: M ono:
Stereo
(measured
at 75
ohms
antenna nput for a signal-to
noise ratlo
of
46
dB relat ve to
40 kHz dev ation)
2pY
20
pV
Power
f16quency:
50 ... 60 Hz
lmage reiection ratior 110dB,Af:2xflF
Power consumption:
30w
lF reiection ratio: 110d8
fF
Weight:
85
kg
Dimensions:
450 x 153 x 332 mm
Spurious response rejection
ralio:
na dB.f F/2
0ptions: Antenna nput
switch
A
to
B
De emphas s 75
!s
Gapture ratior 0,8 dB, measured aIlmV/75 ohms antenna
inputfor
a devratron of 40 kHz, 30 dB S/N rat o
Static selectivity:
Ambient temperature range:
+10 .. +40 degree
C
(50
..105 degree F)
80 dB, wanted signal 100
pV
on
75 ohms,
rnteder
ng
s
gna
1
mV on
75
ohms, modulated to
40 kHz dev a-
iion
Relative humidity:
Class F, DIN 40040
AM
reiection ratio: 72 dB, relative
to 75 kHz deviatron,30%
Al',1,400 Hz
and 1 mV antenna vo
tage
at 75 ohms nput
Frequency responsel
30
Hzto 15 kHz+1
dB, measured
w th an nput s
gnal
oI I mV/75 ohms modu ated to 40 kHz
devrat
on
De-emphasis: 50
ps
(European
version),75
ps
(US
version)
Total harmonic distortion:
0,07% with an input signa ol
lrnY/15 ohms, lkHz
and 40 kHz deviat
on
mono and stereo
L: R
Signal-to-noise ratior
75dB,30Hz
15kHz,
inear,relativetoT5kHzdeva
tion and an nput
signal
of 1 mV,/75 ohms
Stereo
separationl 100 Hz .. 10 kHz
)40
dB
1 kHz )43 dB relat ve to 75 kFlz deviation
and
an
in.
put
s
gnai
of 1 mV/75 ohms
Pilot signal and
subcarrier
suppression:
(including
all harmon cs)
70 d8,15 kHz. 300 kHz
inear, reative to 75 kHz
deviat on and an antenna nput of 1 mV/75 ohms
Trigger THRESHO[D STATI0N:
2 . 2A
pY
on
75
ohm
antenna nput, adlustable
w
th
potent
om eter Tl-1 RESH0LD
STATI0N
Trigger THRESHOLD STEREO: 5 ...350
pV
on 75
ohms
antenna rnput, adlustab e
w
th
potent
ometer
THRESH0LD
STERt0
Antenna inputs: 75
ohms coaxial
15

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Revox B261 Specifications

General IconGeneral
BrandRevox
ModelB261
CategoryTuner
LanguageEnglish

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