Features

Maximum power output of 380 W per channel (at 4 ). This unit can be used as a monaural amplifier with a maximum output of 1,000 W. Dual mode connection possible for a multispeaker system. Built in Low-pass filter (80 Hz, 18 dB/oct). Built in protection circuit*1. Pulse power supply*2 for stable and regulated output power. Direct connection can be made with the speaker output of your car audio unit if it is not equipped with the line output (High level input connection).
*1 Protection circuit This amplifier is provided with a protection circuit that operates in the following cases: when the unit is overheated when a DC current is generated when the speaker terminals are shortcircuited. The color of the POWER/PROTECTOR indicator will change from green to red, and the unit will shut down. If this happens, turn off the connected equipment, take out the cassette tape or disc, and determine the cause of the malfunction. If the amplifier has overheated, wait until the unit cools down before use. *2 Pulse power supply This unit has a built-in power regulator which converts the power supplied by the 12 V DC car battery into high speed pulses using a semiconductor switch. These pulses are stepped up by the built-in pulse transformer and separated into both positive and negative power supplies before being converted into direct current again. This is to regulate fluctuating voltage from the car battery. This light weight power supply system provides a highly efficient power supply with a low impedance output.
The fuse is blown. t Replace both the fuses with a new one. The ground wire is not securely connected. t Fasten the ground wire securely to a metal point of the car. The voltage going into the remote terminal is too low. The connected car audio unit is not turned on. t Turn on the car audio unit. The system employs too many amplifiers. t Use a relay. Check the battery voltage (10.V). The POWER/PROTECTOR Turn off the power switch. The speaker outputs are shortindicator will change from green circuited. t Rectify the cause of the short circuit. to red. Turn off the power switch. Make sure the speaker cord and ground wire are securely connected. The unit becomes abnormally The unit heats up abnormally. hot. Use speakers with suitable impedance. t (stereo) , (when used as a bridging amplifier). Make sure to place the unit in a well ventilated location. The sound is interrupted. The thermal protector is activated. t Reduce the volume. Alternator noise is heard. The power connecting wires are installed too close to the RCA pin cords. t Keep the power connecting wires away from the RCA pin cords. The ground wire is not securely connected. t Fasten the ground wire securely to a metal point of the car. Negative speaker cords are touching the car chassis. t Keep the cords away from the car chassis. The FILTER selector switch is set to the LPF position. The sound is muffled. By default, the FILTER selector switch is in LPF position. t When connecting the full range speaker, set to the OFF position. The LEVEL adjustment control is not appropriate. Turn the The sound is too low. LEVEL adjustment control in the clockwise direction. If you have any questions or problems concerning your unit that are not covered in this manual, please consult your nearest Sony dealer.

mm ( 4)

0.2 m (8 in)

Dimensions Dimensiones

424 (16 3/4) 55
Unit : mm (in) Unidad: mm

(2 1/4)

396 (15 5/8)

290 (11 1/2)

6 (1/4) 396 (15 5/8)

Warning

When replacing the fuse, be sure to use one matching the amperage stated above the fuse holder. Never use a fuse with an amperage rating exceeding the one supplied with the unit as this could damage the unit.

Advertencia

Al sustituir el fusible, asegrese de utilizar uno cuyo amperaje coincida con el especificado en el portafusible. No utilice nunca un fusible con un amperaje superior al del suministrado con la unidad, ya que la disipacin de calor podra daarla.

259 (10 1/4)

Connections

Precautions

This unit is designed for negative ground 12 V DC operation only. Use speakers with suitable impedance. (stereo), (when used as a bridging amplifier). Do not connect any active speakers (with built-in amplifiers) to the speaker terminals of the unit. Doing so may damage the amplifier and active speakers. Avoid installing the unit in areas subject to: high temperatures such as from direct sunlight or hot air from the heater rain or moisture dust or dirt. If your car is parked in direct sunlight and there is a considerable rise in temperature inside the car, allow the unit to cool down before use. When installing the unit horizontally, be sure not to cover the fins with the floor carpet etc. If this unit is placed too close to the car radio unit or antenna, interference may occur. In this case, relocate the amplifier away from the car radio unit or antenna. If no power is being supplied to the car radio unit, check the connections. This power amplifier employs a protection circuit to protect the transistors and speakers if the amplifier malfunctions. Do not attempt to test the protection circuits by covering the heat sink or connecting improper loads. Do not use the unit on a weak battery as its optimum performance depends on a good power supply. For safety reasons, keep your car audio unit volume moderate so that you can still hear sounds outside your car. By default, the FILTER selector switch is in LPF position. When connecting the full range speaker, set to the OFF position.

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The Oakville Beaver, Friday July 7, 2006 - 15

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