10
15
LR 21
1 XR
ITALIANO
DATI TECNICI
ALIMENTAZIONE
11
÷
15 VDC
ASSORBIMENTO A VUOTO
1 A
ASSORBIMENTO MAX (Pot. Nominale)
20 A
MAX DYNAMIC POWER (1 Ch x 4 Ohm)
210 W
MAX DYNAMIC POWER (1 Ch x 2 Ohm)
420 W
POTENZA NOMINALE CONT. (Toll. +10 %; -5 %)
1 Ch x 4 Ohm; 0,3 % THD; 12 VDC
140 W (RMS)
POTENZA OUT CONTINUA (1 Ch x 4 Ohm; 13,8 VDC)
155 W (RMS)
POTENZA OUT CONTINUA (1 Ch x 2 Ohm; 13,8 VDC)
250 W (RMS)
IMPULSIVE OUT POWER (1 Ch x 1 Ohm; 13,8 VDC)
410 W (RMS)
DISTORSIONE THD (1 KHz; 90 % Pot. Nominale)
0,07 %
FATTORE DI SMORZAMENTO (4 Ohm)
120
TEMPO DI SALITA
4,5
µ
S
RAPPORTO SEGNALE RUMORE
98 dBA
SENSIBILITA' D'INGRESSO
0,3 V
÷
4 VRMS
IMPEDENZA D'INGRESSO
15 KOhm
IMPEDENZA DI CARICO
8 - 4 - 2 Ohm
FREQUENZE DI CROSSOVER
50; 60; 80; 100; 120 Hz
PENDENZA DI TAGLIO
12 dB/Ott. Butterworth
FREQUENZA LO-BOOST
45 Hz
GUADAGNO LO-BOOST
0 / +6 dB
GUADAGNO USCITE HI-PASS
0 dB
REMOTE IN
7
÷
15 VDC
DIMENSIONI (BxAxL)
175 x 50 x 330 mm
ENGLISH
TECHNICAL DATA
POWER SUPPLY
11
÷
15 VDC
IDLING CURRENT
1 A
MAX CONSUMPTION (Nominal Pwr)
20 A
MAX DYNAMIC POWER (1 Ch x 4 Ohms)
210 W
MAX DYNAMIC POWER (1 Ch x 2 Ohms)
420 W
CONT. NOMINAL POWER (Tol. +10 %; -5 %)
1 ch x 4 Ohms; 0.3 % THD; 12 VDC
140 W (RMS)
CONT. OUT POWER (1 ch x 4 Ohms; 13.8 VDC)
155 W (RMS)
CONT. OUT POWER (1 ch x 2 Ohms; 13.8 VDC)
250 W (RMS)
IMPULSIVE OUT POWER (1 ch x 1 Ohm; 13.8 VDC)
410 W (RMS)
DISTORTION THD (1 KHz; 90 % Nominal Pwr)
0.07 %
DAMPING FACTOR (4 Ohms)
120
RISE TIME
4.5
µ
S
SIGNAL / NOISE RATIO
98 dBA
INPUT SENSITIVITY
0.3 V
÷
4 VRMS
INPUT IMPEDANCE
15 KOhms
LOAD IMPEDANCE
8 - 4 - 2 Ohms
CROSSOVER FREQUENCIES
50; 60; 80; 100; 120 Hz
FILTERS SLOPE
12 dB/Oct. Butterworth
LO-BOOST FREQUENCY
45 Hz
LO-BOOST GAIN
0 / +6 dB
HI-PASS OUTPUTS GAIN
0 dB
REMOTE IN
7
÷
15 VDC
DIMENSIONS (WxHxD) 175 x 50 x 330 mm (6.89 x 1.96 x 12.99 inch)
LR 131 XR - LR 21
1 XR
CONFIGURA
TION OF
CONNECTING CLAMPS
REMOTE
IN
Turn
on
control
for
the
amplifier
coming
from
radio-
cassette
player
(or
from
any
sources
provided
w
ith
re-
mote
control
for
amplifiers).
Applied
voltage
must
be
between
7
and 15 VDC.
POWER
Input
clamps
for
the
amplifier
power supply.
Connect
the
batte-
ry
positive
and
ne-
gative
according
to
indicated
pola-
rities.
Applied
voltage
must
be
between
11 and 15 VDC.
CH A / CH B
LO-PASS
power
outputs
(Ch
A
and
Ch B).
Clamps
are
connected
in
parallel
to
allow
the
connection
of
two
or
more
acoustic
repro-
duction
units,
for
example
a
pair
of
SUBWOOFERS.
Available
power
signal
is
MONO
and
is
subjected
to
the
ac-
tion
of
the
internal
BOOST
filter
and
to
the
intervention
of
LO-PASS filter.
LO-PASS
filter
cut-
off
frequency
c
an
be
selected
through
the
X-OVER
switch
on
the
front
panel
of
the amplifier.
OUTPUT CLAMPS
POWER SUPPLY
CLAMPS