Boston Acoustics, Crossfire, or Precision Power 2 channel amp - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 5 Old 05-13-2012, 02:28 PM - Thread Starter
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Need a 2 channel amp for my new car audio system for under $160 and want good SQ. I've got a Honda Fit Sport with a Pioneer DEH-P7400HD head unit. I just received Diamond Audio D663Ss for the front that I got from Crutchfield on open box special, and then JL Audio C2-600Xs for the rear doors for a little fill in. Neither are installed yet.

The DA D663Ss have active crossovers with Rear Acoustic Fill outputs so that I can run the JL Audios off the same 2 channels. By hooking the JL Audios up to the crossover on the DAs, it will pass 15 to 20% of the power to the rear speakers.

So I need a 2 channel amp for those speakers to install under one of the seats, and I'm looking for one that has good SQ. Here's what I'm considering:

Boston Acoustics GT-2150: Lots of power. Looks like it will be a tight fit under the seat. And love the price of $120.

Precision Power Phantom P600.2: Class D with very small front print, high efficiency, and reasonable power. The 4 channel version seems to have decent specs in this test data. $159 shipped.

Crossfire BMF600.2: Hear good things about Crossfire. Not as much RMS power in the specs as the other two. Right now there is a 30% off coupon, making it $157.

If there won't be significant difference in SQ, I'd rather go with the PPI.

What do you think?

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post #2 of 5 Old 05-15-2012, 12:42 PM
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You cant go wrong with ether the PPI or the crossfire as an owner of both brands over the years.
I personally like the crossfire amps, I have two old school white ones there are 13 years old and they still run just fine and i hammer them every day. the ppi amps are great too.
LL
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post #3 of 5 Old 05-15-2012, 01:10 PM - Thread Starter
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I really liked what I've heard about long term reputation of the PPI and Crossfire amps.

Found out that the PPI P600.2 has a manufacturer spec rated high channel separation threshold of 37db, and then that the 900.4 (same line) was actually tested by a 3rd party to be even worse than that. So I ruled it out, although given how small and efficient it is, it could certainly be a great sub amp (since crosstalk won't matter).

I couldn't find anything out much about that newer Crossfire model. Whereas on the other hand, there's lots of talk on other car audio forums of the BA GT series. I ended up going with the smaller GT-275 instead since it's going under my seat and because of its price. Admittedly, I'm already spending enough on this build (I just bought the HU, too) with $200 in sound deadening materials (Audio Technix 60 mil Deadner and RAAMaudio Ensolite IUO) added to the items above.

So I'll run the front speakers with the GT-275, and hook up the JL Audios to the HU rear output so that they are there to use when people ride in the back seat.

Next step: try NOT to think about buying a sub and a monoblock amp for a few months. LOL

Your questions are answered: Speaker FAQ
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post #4 of 5 Old 05-18-2012, 07:24 AM
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I still have my PPI white art series Ax400....LOVE IT..don't use it but i have it..hahaha

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post #5 of 5 Old 08-28-2012, 04:34 AM
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hey your old school crossfire how many watts are those.i use to have a old school crossfire amp. 15x2 . its a powerful amp.so are u interested in selling those. yea a while ago some people broke in my car and stole two of my solo baric l7 twelve inch 2ohm sub with custom made box. my crossfire amp 15x2 and my premier deck which is a p-8 60x4 plus my old school eq eclipse . but im looking for a crossfire amp 15x2 i need two of them.willing to pay 400 for two crossfire amp 15x2
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