Manual Audison lr 604 (page 3 of 18) (English, German, French, Italian)

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FEATURES

LR 604 - LR 604 XR: Four-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 in current capacity of

15 A and MOSFET PWM power supply with high energy reserve.

LR 604: Four channels, single or double input. It can work with 4, 3, and 2

channels.

LR 604 XR: Four channels, single or double input, electronic crossover with

linear adjustment which can also be excluded, HI-PASS / BY-PASS output. It can

work with 4, 3, and 2 channels (crossover off) or with 2 channels for HI-PASS and

SUB stereo / mono (crossover on).

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.

ENGLISH

LR 604 XR (CROSSOVER ON)

ONE INPUT / SUB MONO

LR 604 XR - (CROSSOVER ON)

WIDEBAND FRONT AND REAR WITH OR WITHOUT FADER

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Audison lr 604 Manual

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