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Old 30th November 2005, 09:39 PM   #1
npcout is offline npcout  United States
diyAudio Member
Join Date: Nov 2005
Location: PA
Default Would this amp work?

Hey guys, i had that other post about what amp and now i know what to look for. This is one of the main amps i came up with.

http://www.bestbuy.com/site/olspage...d=1099396976115 Those are my subs

Woofer Size 12"
Woofer Material Injection-molded polypropylene with brushed metallic surface
Magnet Size 38 oz
Magnet Type Neodymium
Continuous Power Handling 600W
Peak Power Handling 1,100W
Impedance 4 ohms
Connection Type Terminal cup
Number of Voice Coils Single
Efficiency 89dB

and this is the amp i found. http://www.sonicelectronix.com/item_6198.html
Number of Channels 2
RMS Power (4 ohms) 220 watts x 2 chan.
RMS Power (2 ohms) 280 watts x 2 chan.
RMS Power (1 ohm) Not Stable
Bridged RMS Power 560 watts x 1 chan.
Peak Power Output 980 watts
Min. Impedance Unbridged 2 ohms
Min. Impedance Bridged 4 ohms
THD @ Rated RMS Power <0.02%
Speaker Level Inputs Yes
Amp Preamp Outputs Yes - 1 Pair
Built-in Crossover Yes
High-Pass Crossover 50 Hz - 500 Hz
Low-Pass Crossover 30 Hz - 500 Hz
Signal-to-Noise Ratio >98 dB
Channel Separation >55 dB
Bass Boost 0 - 24 dB
Bass/Gain Remote N/A
Fan Cooled N/A
Fuse Rating 15A x 4
Warranty 1 - year manufacturer's warranty

Do you think i would be good with that amp or do you think i would blow my subs? What do you guys think?

Thanks a lot for any help.


OR do you think i would blow my subs?
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Old 1st December 2005, 04:31 AM   #2
diyAudio Member
Join Date: Apr 2005
Location: Salt Lake
It is possible you could be happy with that setup but you REALLY need to know how to adjust an amp. The gain setting is not a volume control and it would be easy to destroy a speaker with less than its RMS rating by sending it a clipped signal. Finding an amp closer to the peak rating of the speaker and setting the gain conservatively will allow your components to perform their best without the defecits normally experienced by straining to reach their limits.
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Old 2nd December 2005, 11:58 PM   #3
diyAudio Member
Join Date: Jul 2003
Location: Chicago, IL.
Default Ha ha.

Guys, is this amp for real???

It says it has 4x15 amp fuses, yet its peak output power is 980 watts. That would require a 16.3 volt electrical system! I calculate 864 watts peak at 14.4 volts. Not to say thats not a lot of power, but it makes me weary about the maufacturers specifications. Furthermore, I generally do not think highly of Power Acoustik anyways.

I would look at www.sounddomain.com for good deals on some good amps.

Good Luck.
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