ENGLISH
3
FEATURES
LR 52 - LR 72 - LR 132: Two-channel amplifiers with compact dimensions and
excellent musical performances.
The outstanding features of their sophisticated circuitry are: "FRONT END"
stages realized by two complementary differential stages, final stages made of
transistors in Darlington connection, final transistors with current capacity of 15
A and MOSFET PWM power supply with a high energy reserve.
Their design allows their easy functioning on 2 Ohms nominal loads in stereo
configuration and 4 Ohms nominal loads in bridge mono configuration.
These features allow a great use versatility both in driving multiway systems and
in SUBWOOFER mono connection in TRI-MODE configuration.
PRECAUTIONS
· In order for this device to function properly it's important that it is installed in
a spot where temperature doesn't fall below 0° C (32° F) or rise above 55° C (131°
F).
· It must be installed in a dry and well ventilated spot.
· Power supply voltage is 12 VCC with negative to ground. Make sure that the
characteristics of the vehicle electrical system are compatible with this device.
· For safe driving we advise to listen to music at a volume level that won't drown
external traffic sounds.
INSTALLATION
For mounting use 4 self-threading screws and protective plastic rings provided.
For a very good result we suggest to use audison cable products to complete your
installation. These include: power cables, signal cables, speaker wires, RCA
connectors and all accessories needed to complete the wiring.
WARNINGS
· INPUTS: If the radio-cassette player doesn't share the output GND with the
chassis, the braided shield of the shielded cable must be connected to the radio-
cassette player chassis.
· OUTPUTS: Never connect -R and -L outputs to ground or to each other. If a
crossover filter is used, be sure its two channels don't have a common ground.
· REGULATIONS: If you hear saturation phenomena at moderate volume levels,
it means that a distorted signal is coming from the radio-cassette player.
Turn radio-cassette player volume down until there's no longer any distortion.
Then adjust the amplifier calibration levels until you hear slight saturation
phenomena.
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FRONT, SUBWOOFER AND PASSIVE HI-PASS REAR WITH FADER
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