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Audison measurement standards
(Power measures taken according to audison standard, 1998 edition)
- 12VDC and 13.8VDC;
- 1 kHz or crossover cut-off frequency;
- 0.3% THD @ nominal power; 1% THD @ continuous power;
- Tolerance: +10%; -5%;
- Continous power given by RMS Voltage measured on resistive load;
- The nominal power of the amplifier is measured upon a battery voltage of 12 Volts with
a 4 Ohm load and with all channels in function.
is a division of
62018 Potenza Picena (MC) Italy
Tel. 0733.870870 • Fax 0733.870880 • http://www.audison.com • e-mail: com@audison.com
OWNER'S MANUAL
CAR POWER AMPLIFIER
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Summary of Contents for Audison LRX 4.300
- Page 1 - The nominal power of the amplifier is measured upon a battery voltage of 12 Volts with a 4 Ohm load and with all channels in function. OWNER’S MANUAL CAR POWER AMPLIFIER is a division of 62018 Potenza Picena (MC) Italy Tel. 0733.870870 • Fax 0733.870880 • http://www.audison.com • e-mail: com@audison.com...
- Page 2 INTRODUCTION INTRODUCTION Audison thanks you for preferring this product and compliments you on your choice since it was designed in order to insure outstanding musical and instrumental performances. Before use instructions, please carefully read the safety norms you have to respect in order to avoid unpleasant inconveniences and to enjoy this product at best.
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Page 3: Table Of Contents
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Page 4: Description
DESCRIPTION INSTALLATION Audison LRx 4.300: AMPLIFIER FIXING Four channel car power amplifier characterised by excellent musical performances, small size and outstanding energy reserve. Its PWM power supply stage is made with two pairs of 70A MOSFETs; it is stabilised and oversize. -
Page 5: In-Out Panel
Connect the speakers cables to these outputs according multispanner. to polarity. Terminal blocks accept cables up to 9 A.W.G. max (see “audison cable products for electronic connections” as far as their size is concerned). We recommend the use of audison cable products. -
Page 6: Power Supply Panel
In order to get the best current transfer, please use power supply cables with as big a section as possible. audison cable catalogue offers you a complete range of such products which can satisfy whatever demands; you can also find Maincrimp terminals in it. We strongly recommend their use because they contain the cable non protected end and allow the terminal block to fasten all its useful section. -
Page 7: Fuse Replacement
CONFIGURATION EXAMPLES POWER SUPPLY PANEL FRONT+SUB FUSE REPLACEMENT Pre Out LRx 4.300 Config. 1 1 - Open the transparent cover by pushing the two teeth in B Ch: mono ( its lowest corners to the direction indicated by the arrows. Subwoofer Tweeter Woofer... -
Page 8: Controls Panel
CONTROLS PANEL CONFIGURATIONS FUNCTIONS AND CONTROLS CONFIGURATIONS TABLE LRx 4.300 can be configured as follows: Config. 1 = Front (Hi 12 dB) + Sub: (Lo 12/24 dB); IN A (1 IN) – Pre Out (Hi 12 dB) Config. 2 = Front (Hi 12 dB) + Sub: (Lo 12/24 dB) ; IN A-B (2 IN) – Ch. B mono (Lo 12/24 dB) LIMIT (orange LED) Config. - Page 9 32 Hz through 4 Hz steps; this occurs connections before switching by replacing the special resistors located amplifier on again. into a socket which can be reached If LED stays on, please contact Audison through the setting panel in the amplifier authorised after sale centres. bottom.
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Page 10: Setting Panel
SETTING PANEL ACCESSORIES Installation: FUNCTIONS It permits to reach the switches for the amplifier configuration, the resistors to set subsonic filter cut-off frequency and to insert VCA modules for the subwoofer volume remote control. Setting panel Remote First fan Second fan 1 - Remove the setting panel in the amplifier bottom in order to carry out operations. -
Page 11: Subsonic Filter Cut-Off Frequency Modification
SETTING PANEL ACCESSORIES CLK2 – LRx Cooling Kit SUBSONIC FILTER CUT-OFF FREQUENCY MODIFICATION This cooling system is specially designed to provide LRx amplifiers with the right working Subsonic filter is pre-adjusted at 20 Hz. In order to modify this value, please act according to what temperature. -
Page 12: Technical Features
TECHNICAL FEATURES ACCESSORIES VCR01K,VCRAK and VCRDK SIZE FOR FIXING LRx 4.300 can accept one of the optional kits that allow the subwoofer volume remote control. VCR01K and VCRAK are analogue and special for sub; VCRDK is digital and can be used for master 375 mm volume control or for level control of any ways in a multichannel system.
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