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Alpine CDA 9887 questions
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<blockquote data-quote="Envoy62" data-source="post: 3662923" data-attributes="member: 576376"><p>Well i did run a new rca cable to the subwoofer amp with both left and right hu output connected to amp inputs it made no difference . Amp set to LPF, gain needs to be cranked up all the way to have some output. I will run a test with a 0 dB 50 Hz test tones to check. But i'm afraid the amp is not able to run the subwoofer. The amp is rated for 150 watts rms and the subwoofer is for 250 watts rms. So the amp will not be able to push the sub to its limits but i hoped that the amp would be good enough to run the sub at moderate levels.</p><p></p><p>The manual for the amp is not very detailed it doesn't say anything about what channel is used as input when bridged. there is also only one crossover setting 80 hZ with a 12 dB slope.</p><p></p><p>Any additional ideas or thoughts on this.</p><p></p><p>Thanks</p><p></p><p>Robert</p></blockquote><p></p>
[QUOTE="Envoy62, post: 3662923, member: 576376"] Well i did run a new rca cable to the subwoofer amp with both left and right hu output connected to amp inputs it made no difference . Amp set to LPF, gain needs to be cranked up all the way to have some output. I will run a test with a 0 dB 50 Hz test tones to check. But i'm afraid the amp is not able to run the subwoofer. The amp is rated for 150 watts rms and the subwoofer is for 250 watts rms. So the amp will not be able to push the sub to its limits but i hoped that the amp would be good enough to run the sub at moderate levels. The manual for the amp is not very detailed it doesn't say anything about what channel is used as input when bridged. there is also only one crossover setting 80 hZ with a 12 dB slope. Any additional ideas or thoughts on this. Thanks Robert [/QUOTE]
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