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What can i do with this? 

 

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 Post subject: What can i do with this?
Posted: Wed Oct 10, 2007 10:31 am 
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Ok, bought a cheap 'n nasty 2 channel amp and wanna know can i bridge the 2 channels to run a single sub or how can i tell if its bridgable?

SPECS:

400 Watts Max Output Power
2 OHM Stable & TRI-MODE Connection Possible
2 Channel 2 OHM Stable Multi-Channel Circuit Design
Thermal / Short-Circuit / Overloading Protection
High Efficiency MOSFET Power Supply
Variable Bass Booster
RCA Inputs & Speaker Terminals
Power On & Protection Led Indicators
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Posted: Wed Oct 10, 2007 11:30 am 
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need more info. If it really does put out 400WRMS then its not too bad. Got a model number handy?

 

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Posted: Wed Oct 10, 2007 1:22 pm 
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Theres no website or info i can find. I doubt its RMS, after opening the case it looks more like 20w RMS :roll:

The info ive given is all i can find from ebay.....

Koac V3 Amplifier 400W....
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Posted: Wed Oct 10, 2007 3:42 pm 
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i really do not think it is bridgeable
most cheap amps are not

 

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Posted: Wed Oct 10, 2007 3:49 pm 
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What 'could' happen if i bridged it and its not bridgable? Nothing? Flames?

If its tri mode, then doesnt that mean you can run speakers off each channel and bridge a sub between the channels?

Sorry, im just trying to understand the thing.....
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Posted: Wed Oct 10, 2007 3:53 pm 
Getting Side Ways
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You would be surprised. I had this $30 amp I brought from cooki_monsta on here that looked cheap and nasty but it pumped my eclipse sub really well and that was rated at 300wrms so you can get some good cheap stuff

 

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Posted: Wed Oct 10, 2007 5:20 pm 
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Actually forget about it, i managed to find some info on this "amp" and it took a fukin while after sorting through heaps of eBay ads....

I refer you to this page, and a warning to anyone looking to buy this amp.

Advertised as 400W........ chip inside is rated at 20w per channel.....

http://www.rogerj.co.uk/KOAC_%20amplifier.htm
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Posted: Thu Oct 11, 2007 3:29 pm 
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If you look at what you posted originally you actually answered your own question

"2 OHM Stable & TRI-MODE Connection Possible "

So obviously is bridgeable....

 

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Posted: Thu Oct 11, 2007 3:45 pm 
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yeah i was trying to understand what "tri-mode" meant
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Posted: Thu Oct 11, 2007 4:02 pm 
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Tri mode means that you can run 2 stereo channels and 1 mono channel all at the same time.....

 

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