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µ-Dimension ProX 840.4 COMP Manual

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  • Page 2 INTRODUCTION A m p l i f i e r s p r o v i d e h i g h - p e r f o r m a n c e s o u n d r e i n f o r c e m e n t f o r y o u r m o b i l e a u d i o equipment.

  • Page 3: Planning Your System

    PLANNING YOUR SYSTEM Before beginning the installation, consider the following: a. If you plan to expand your system by adding other components sometime in the future, ensure adequate space is left, and cooling requirements are met. b. Should you use high or iow level inputs? Your A mpl ifier ha s b e e n d e s i g n e d t o a c c e p t e i t h e r H i g h- L e vel (s p ea ke r o u t p u t s from your radio) or Low-Level (Pre-Amp outputs from your radio) signal source.
  • Page 4 Cooling requirements are considerably relaxed when mounting inside the passenger compartment since the driver will not often allow temperatures to reach a critical point. Floor mounting under the seat is usually satisfactory as long as there is least 1inch (2Cm) above the Amplifier’s fins for ventilation. a.Select a suitable location that is convenient for mounting, is accessible for wiring, and has ample room for air circulation and cooling.

  • Page 5: Connecting The Power

    CONNECTING THE POWER CAUTION AS A PRECAUTION, IT IS ADVISABLE TO DISCONNECT THE VEHCLE’S BATTERY BEFORE MAKING CONNECTION TO THE +12 VOLT SUPPLY WIRG. 4 GAUGE (Thicker if planning for additional Amplifiers) wire is recommended for both the power and ground wires. 20 Gauge, for the remote turn-on wire, Both types available at most Mobile Audio Dealers or Installation shops.
  • Page 6 ProX 500.24 2 Channel Mode Operation 1. Please open the bottom cover & change the Input Select S/W to 2Ch, from 4Ch. (Because the factory default is 4Ch. 2. Connect the RCA Jack to Front L & R Input, but please do not connect Rear L & R Input. 3.
  • Page 7 ProX 840.4 ProX 500.24 Front ProX 840.4 ProX 500.24 Rear - 7 -...
  • Page 8 1. Signal Input RCA jacks It allows left(”L”) and right (”R”) input channels to be connected to the amplifier using RCA jacks. Please use high performance audio cable! 2. Input level control The input sensitivity can be adjusted to the output voltage of your radio using the input level control, The input level control does no adjust volumel Optimum setting of the control gives you a sufficiently larger regulating zone for your car stereo combination without any distortion or overloading.
  • Page 9 5. Speaker output terminal The speakers are connected to this terminal in accordance with the mode of operation. 6. Terminal for power supply connection Terminal for connection of the power supply (+12V DC, GND) and the remote-turn-on cable (REM). Never bridge fuses or exchange for types with higher rating! 7.

  • Page 10: Troubleshooting

    TROUBLESHOOTING Before removing your Amplifier, refer to list below and follow suggested procedure. Speakers and their wires should be tested first. No Output: a. confirm that all terminal strip connections are firmly connected. b. Check in-line and built-in fuses. Both “+12V” and “REM” terminals must have +12 Volts to chassis ground.

  • Page 11: Specifications

    SPECIFICATIONS ProX 840.4 ProX 500.24 Channel 2ch / 4ch SMD Tech. Load impedance @ Stereo 1 ohm stable 1 ohm stable Load impedance @ Bridged 2 ohm stable 2 ohm stable 4 ohms / 1ch 100W 65W(4ch) 190W(2ch) 2 ohms / 1ch 150W 95W(4ch) 250W(2ch) 1 ohm / 1ch...

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Prox 500.24 comp

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