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manual abstract
Protection LED comes on when the amplifier is powered up. • Check for shorts on speaker leads. • Check that the volume control on the head unit is turned down low. • Remove speaker leads, and reset the amplifier. If the Protection LED still comes on, then the amplifier is faulty. Speaker Connections troubleshootinTrougbleshooting 2 CH Mono-Bridged Output Bridged Mono Output speakers L R MINIMUM SPEAKER IMPEDANCE 4 OHMS! STOP YES! NO! 2-c hannel Ampl i f ier (Operating in Stereo) 4 ohm 4 ohm Two 4-ohm speakers, wired in stereo, will present a 4-ohm load to each channel of the amplifier. Most twochannel amplifiers will work well in this configuration. Two 4-ohm speakers, wired in parallel to a bridged two-channel amplifier. will present a 2-ohm mono load to the amplifier. MOST TWO-CHANNEL AMPLIFIERS DO NOT SUPPORT 2-OHM MONO OPERATION! AMPLIFIER DAMAGE COULD RESULT! sound around, Inc. 1600 63rd street. brooklyn. ny 11204 4 ohm 4 ohm 2-c hannel Amplifier (Operating in Bridged Mono) STOP YES! NO! Four 4-ohm speakers, wired in stereo, will present a 4-ohm load to each channel of the amplifier. Most fourchannel amplifiers will work well in this configuration. Four 4-ohm speakers, wired in parallel to a bridged four-channel amplifier, will present a 4-ohm mono load to the amplifier. MOST FOUR-CHANNEL AMPLIFIERS DO NOT SUPPORT 2-OHM MONO OPERATION! AMPLIFIER DAMAGE COULD RESULT! sound around, Inc. 1600 63rd street. brooklyn. ny 11204 4-c hannel Amplifier (Operating in Bridged Mono) 4 ohm 4 ohm 4 ohm 4 ohm 4-c hannel Amplifier (Operating in Stereo) 4 ohm 4 ohm 4 ohm 4 ohm 2CH AMPS LA438 LA538 LA738 LA938 LA1438 LA1838 LA2038 11 4CH AMPS LA638 LA838 LA1038 4CH AMPS LA638 LA838 LA1038 2 CH Stereo plus Mono-Bridged Subwoofer Output speakers L Mono Subwoofer MINIMUM SPEAKER IMPEDANCE 4 OHMS! R speaker MINIMUM SPEAKER IMPEDANCE 4 OHMS! ...
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