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Author Topic: USA -400
Texasbanger
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anyone using this amp, what subs you have on it? how much real world power does it put out?
Posts: 378 | Registered: May 2001  |  IP: Logged | Report this post to a Moderator
Stuart Smith
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If it's the older model about 18" long. I use to have 5 x of them & we got about 1200wrms out of each into a 2 ohm bridged load

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UK & Euro IDBL record holder 2003
DB Drag to come.....

Posts: 385 | From: Nottingham, UK | Registered: Jun 2001  |  IP: Logged | Report this post to a Moderator
Texasbanger
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ever try it at 1 ohm ?
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Stuart Smith
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No i only had 2 ohm subs on it (1 on each sub), given enough power i reckon it would have done it though. Give it a try, at a guess it will only go into protection if it don't like it

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UK & Euro IDBL record holder 2003
DB Drag to come.....

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Stuart Smith
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Have checked my notes, we actually measured them at 1550-1660wrms into 2 ohm bridged at around 14.3 volts. If you try them at 1 ohm let me know how they did.

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UK & Euro IDBL record holder 2003
DB Drag to come.....

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merlin12volt
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I have a USA-400. It is a '99 model. I love it. It will run 1 ohm but you will need to buy some fans for it. I had mine running 4 dual 4's. It pushed em nicely.

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" A pounding sub gathers no dust"
Team B.E.E.R.
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Team Lowered Response
1989 Mercury Cougar XR-7
3.8L Supercharged V-6
JVC KD-SX 770
US Amps USA 400
Many Many MODS coming stay tuned!!

Posts: 207 | From: Pittsburgh Pa | Registered: Oct 2001  |  IP: Logged | Report this post to a Moderator
spydermann
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saw this amp put out about 2.1kwrms and that was with a sagging power supply and drawing about 210 amps at 14.4 vrms

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spydermann

Don't get caught in the WEB
Gimmie some bass baby
keep your XXX and others, MTX for me
Is that me in the top 10 now??
Do you smell what the BASS is cooking...

Posts: 6799 | From: cincinnati, oh, USA | Registered: Jun 1999  |  IP: Logged | Report this post to a Moderator
   

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