TheGreatJuice Posted September 23, 2011 Report Share Posted September 23, 2011 Im looking either at a full range digital class D amplifier with 80% efficiency or a class A/B with a 70% efficiency. Neither have much of a current draw towards my electrical but I just wanted to know how much of an actual difference in current draw there was. Quote Link to comment Share on other sites More sharing options...
Guest Posted September 23, 2011 Report Share Posted September 23, 2011 class AB > class D for mids and highs. as far as current draw goes, it depends on the amps being compared. Quote Link to comment Share on other sites More sharing options...
Skullz Posted September 23, 2011 Report Share Posted September 23, 2011 (edited) Throw efficiency out the window really, at this point in time class A/B still rules for stage amplification but class D is starting to make a charge in that direction now with a few high end companies making class D 2ch and 4ch amps. EDIT: Efficiency is not so much about current draw as much as it is about the heat generated inside the amp with the different classes of amps. Edited September 23, 2011 by Skullz Quote 01 Ford focus ZX3 Pioneer AVH-X491BHS PPI PC 4800.2 Morel Maximo 6.5" x2 Link to comment Share on other sites More sharing options...
Superjay Posted September 23, 2011 Report Share Posted September 23, 2011 Kranny, you and I normally agree on stuff...yes, for solid SQ AB wins. but modern class D full range amps sound very good, and most people won't notice a difference...MOST people. As far as efficiency goes...AB amps are most efficient at 80-95% power...running as high as 70%. usually they will be about 40% efficient. For the average joe I'd recommend the full range D just because he can get more power with a smaller footprint and will be just as happy with it. Quote Principal JTech Consulting - Leader in 12-Volt Training and Product PlanningIt's not about how much power you have, but how well you use it Link to comment Share on other sites More sharing options...
TheGreatJuice Posted September 23, 2011 Author Report Share Posted September 23, 2011 They're both made by the same company, RE Audio. I just didn't know if there was a difference in the quality. The specs are a little bit better on the Class A/B but the Digital Class D is more compact, as it can fit under a car seat. Quote Link to comment Share on other sites More sharing options...
Superjay Posted September 23, 2011 Report Share Posted September 23, 2011 you won't notice the difference....really, you won't. go with what fits your build and budget, and don't worry about specs in this case Quote Principal JTech Consulting - Leader in 12-Volt Training and Product PlanningIt's not about how much power you have, but how well you use it Link to comment Share on other sites More sharing options...
TheGreatJuice Posted September 23, 2011 Author Report Share Posted September 23, 2011 Kranny, you and I normally agree on stuff...yes, for solid SQ AB wins. but modern class D full range amps sound very good, and most people won't notice a difference...MOST people. As far as efficiency goes...AB amps are most efficient at 80-95% power...running as high as 70%. usually they will be about 40% efficient. For the average joe I'd recommend the full range D just because he can get more power with a smaller footprint and will be just as happy with it. You just answered my question considering I'm a huge audiophile haha. The A/B is alot cheaper anyway so that makes a huge difference. Quote Link to comment Share on other sites More sharing options...
Superjay Posted September 23, 2011 Report Share Posted September 23, 2011 Cheap AB is bad...I haven't heard the RE but go LISTEN TO IT before you think you're buying an audiophile grade amplifier. it's not a Series III, I guarantee it...what kind of speakers are you using? Quote Principal JTech Consulting - Leader in 12-Volt Training and Product PlanningIt's not about how much power you have, but how well you use it Link to comment Share on other sites More sharing options...
TheGreatJuice Posted September 23, 2011 Author Report Share Posted September 23, 2011 It's not cheap but I found it cheaper. RE Audio (US Amps) IMO has a lot of clarity in they're amps. Both amps arenormally $300 but I found it for $88 on eBay new so it's fitting my budget more lol. I'm running Kicker KS65.2 components Quote Link to comment Share on other sites More sharing options...
Guest Posted September 23, 2011 Report Share Posted September 23, 2011 Kranny, you and I normally agree on stuff...yes, for solid SQ AB wins. but modern class D full range amps sound very good, and most people won't notice a difference...MOST people. As far as efficiency goes...AB amps are most efficient at 80-95% power...running as high as 70%. usually they will be about 40% efficient. For the average joe I'd recommend the full range D just because he can get more power with a smaller footprint and will be just as happy with it. i've never heard mids and highs running off of a class d (that i know of) so i cant speak directly about it. but ill trust your word, and the other guys, about it. disregard my post OP Quote Link to comment Share on other sites More sharing options...
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