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General Car Audio
Preplanning stage - need help deciding on which direction to go
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<blockquote data-quote="Motorhead87" data-source="post: 8697214" data-attributes="member: 678909"><p><strong>Hey Jeff,</strong></p><p></p><p>Yeah my plan has changed a good amount since the start. I want SQ and I want clarity. I had my last garbage setup for 15yrs and I plan on the main components of this build to follow me for another 15+ years. I want quality components that are going to sound great and give me a good amount of thump. I was skeptical about going with 12s due to space they eat up. 1.5, 2.5, 3 cuft mean nothing to me visually. It’s hard to visualize the amount of space that is required for something like this. Seeing the recommended ported box size for the GB12s on AFs website was a relief to see. Much smaller than I was thinking it might be.One is totally doable and in the TL and I think 2 is in the Tahoe. I can’t find a bad thing about Audiofrogs on the web except their price of course. If their sound quality in the right box is everything I read it is, then that sounds like the speakers/subs for me. I’ll build a custom ported box per the AF recommendation for both vehicles to maximize my SQ.</p><p></p><p>I think based on my listening style and music choice I will wire my sub to 4 ohms to maximize the efficiency of the amp and really put the lowest strain on my alternator as possible. In the Tahoe I’ll probably just get a bigger alternator right off the bat and be done with it. But for the TL I’d like not to. Especially since this one in it is a brand new alternator since stock one died on me. My Sony is an A/B amp that will put out 160w at 4 ohms so that’s 12 amps. It’s 60% efficient so that makes usage at 20 amps. The Taramps would be outputting 1936 w at 4 ohms @ 91% efficiency so that’s 157 amps. Total system is 177 amps. Car audio fabricators estimated that average users use about 25% of total system amps while very heavy base users may run 50%. Total amps for 25% is 44 and only 88 at 50%.</p><p></p><p>I think I fall in average user column. 44-50 of the 130 total amps from alternator I think is totally doable.</p></blockquote><p></p>
[QUOTE="Motorhead87, post: 8697214, member: 678909"] [B]Hey Jeff,[/B] Yeah my plan has changed a good amount since the start. I want SQ and I want clarity. I had my last garbage setup for 15yrs and I plan on the main components of this build to follow me for another 15+ years. I want quality components that are going to sound great and give me a good amount of thump. I was skeptical about going with 12s due to space they eat up. 1.5, 2.5, 3 cuft mean nothing to me visually. It’s hard to visualize the amount of space that is required for something like this. Seeing the recommended ported box size for the GB12s on AFs website was a relief to see. Much smaller than I was thinking it might be.One is totally doable and in the TL and I think 2 is in the Tahoe. I can’t find a bad thing about Audiofrogs on the web except their price of course. If their sound quality in the right box is everything I read it is, then that sounds like the speakers/subs for me. I’ll build a custom ported box per the AF recommendation for both vehicles to maximize my SQ. I think based on my listening style and music choice I will wire my sub to 4 ohms to maximize the efficiency of the amp and really put the lowest strain on my alternator as possible. In the Tahoe I’ll probably just get a bigger alternator right off the bat and be done with it. But for the TL I’d like not to. Especially since this one in it is a brand new alternator since stock one died on me. My Sony is an A/B amp that will put out 160w at 4 ohms so that’s 12 amps. It’s 60% efficient so that makes usage at 20 amps. The Taramps would be outputting 1936 w at 4 ohms @ 91% efficiency so that’s 157 amps. Total system is 177 amps. Car audio fabricators estimated that average users use about 25% of total system amps while very heavy base users may run 50%. Total amps for 25% is 44 and only 88 at 50%. I think I fall in average user column. 44-50 of the 130 total amps from alternator I think is totally doable. [/QUOTE]
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