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post #31 of 34 Old 12-22-09, 01:49 PM
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Steve
 
Join Date: Jul 2008
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Re: amp choice

I just put new fans in my 2500's. it made a huge difference.
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post #32 of 34 Old 12-25-09, 11:18 AM
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Re: amp choice

Quote:
Oklahoma Wolf wrote: View Post
As someone who reviews computer power supplies for a living and has to deal with power draw meters on a regular basis, I can tell you that unless this is a very expensive meter you're likely missing the transient peaks being drawn from the wall.

I have a 20A dedicated circuit run with 12/2 into my review lab - this is where my sub amp is too. The circuit sees double duty... I've had computer power supplies as large as 1500 watts pulling some massive current draws through that circuit. I figured since the lab is across the basement from the home theater, that'd be a good place to put a pro amp with a loud fan and at the same time it can use the 20A circuit when I'm not reviewing stuff

Anyway, making sure one's electrical service is up to snuff is definitely something one needs to do if planning on pushing a big pro amp hard. A good thing to do in general, too - this place had some fire hazards in the wiring before I got here.
Yes, that's why I tried to qualify how slowly the meter reads. I have both a Monster line conditioner that displays the amps drawn, plus a $350 Fluke. I'm sure I'm not seeing those transient peaks, but as Kevin said, they aren't what blows the circuit...but as *you* know, it does heat up the wire a bit, don't it?

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tcarcio wrote: View Post
I haven't seen or heard of anyone singing the praises of the 4000 over the 2500. If it were me I would just go with the 2500. I have 2 of them and they perform perfectly. The fan is the only thing I could complain about but the mod is so easy a caveman can do it.
I don't think anyones really taken the time to do a proper measurement. Is that Chuck guys still testing and measuring amps? Maybe someone can send him one for a week to do a direct comparo.

Quote:
toyotafan wrote: View Post
I just put new fans in my 2500's. it made a huge difference.
Is it, a toyota fan?

Sorry, that was so bad I should be banned.
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post #33 of 34 Old 12-26-09, 01:20 PM
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Jeremy
 
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Re: amp choice

Quote:
Lonely Raven wrote: View Post
but as *you* know, it does heat up the wire a bit, don't it?
Oh yes - you could use a 14/3 power cord as a hand warmer on cold days with some of the units I've tested
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post #34 of 34 Old 02-04-10, 11:52 AM
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Re: amp choice

Quote:
tcarcio wrote: View Post
I haven't seen or heard of anyone singing the praises of the 4000 over the 2500. If it were me I would just go with the 2500. I have 2 of them and they perform perfectly. The fan is the only thing I could complain about but the mod is so easy a caveman can do it.
I believe that the internals of the 2500 and 4000 are nearly identical. The 4000 has a new "peak power rating" but the weight is about the same too. It's not 1500 more watts. It's more of a PR gimmick.

The 2500 power ratings are pretty solid tho:
http://www.avsforum.com/avs-vb/showthread.php?t=855865
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