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Hello I am a bit confused... I want to have this setup at its max RMS And dont know what amps to combine since none give out that rms figures I was thinking of getting a rockford T4000 thats 4000 rms @ 1 ohm But was not sure you can set up a mono amp to run all speakers And make the amp see this setup as a 1 OHM load since these speakers present all differnt Ohm resistance Infinity Kappa 652.9i 2 Ohm Speakers Kappa 52.9i 2 Omh Speakers 6.3/4 75 rms Each 150 x 2 5.1/4 55 rms Each 110 x 2 Boss 6x9 RMS 450 Each 900 x 2 4 omh Speakers Boss tweeter 250 Each 500 x 2 4 ohm Speakers But Cant figure out what amp(s) will make it happen in a 1 ohm stable

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Hi and welcome to FixYa,

While it is possible to wire the speakers in series/parallel combination and bridge any amp capable of stable operations on a 1 ohm load, it would not be technically sound. The sound reproduction as well as the specs of the speakers differs and therefore should require separate amps. You might be better off using multiple amps with an active cross-over to split the frequency response in accordance with the efficiency/specs of the speakers. Rule of thumb of course would require that the amps match the impedance of the speaker and with an output of about 80% of the speaker's maximum capacity.

Good luck and thank you for using FixYa.

Posted on Feb 22, 2009

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Simple answer,
The Rockford T4000 will work for what you are doing.

Posted on Feb 22, 2009

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Http://measurementsconverter.com/ohms_law_calculator.html
check out the link and iun that mention the exact values and get it exactly calculated.

Posted on Feb 22, 2009

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Hello,

Please allow us to help you.

The word overload meaning to many speakers connected to the unit witch is consuming more RMS then the amp is putting out.

1. Unhook all speakers
2. Then unplug unit
3. connect ONLY the speakers that came with unit or speakers that is rated for the unit.

If the issue persist then the amp might need to be repaired.

We hope you find this information useful.

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How many total watts does this system have


Well... It consumes 240 watts of electrical power total so take the audio power specifications with a huge grain of salt, as no audio device puts out in audio power anywhere near what it consumes in electrical power. Heat produced is power consumed, too and nothing is 100% efficient.

In the specs below the only information useful for comparison is in the line I highlighted with >>> <<<<'s as it conforms the closest to the industry standard practice of using:

"X watts into 8 ohms (standard load) from 20 - 20000 hz plus or minus Y db at no more than .0Z% distortion"

The better amps specify vanishingly low distortion specs (0.0x% vs 0.x%) at the cost of being able to claim higher wattage. But they guarantee cleaner sound at the claimed levels.

JVC is being tricky with their choice of a 40 hz lower limit. THAT is the power hungry end of the spectrum. 20 hz is normally the lower limit stated.

"Output Power .............At Stereo operation
Front channels .............55 watts per channel, min. RMS, driven into 4 ohms at 1 kHz, with no more than 0.9 % total harmonic distortion. (IEC268-3/DIN) 30 watts per channel, min. RMS, driven into 8 ohms at 1 kHz, with no more than 0.9 % total harmonic distortion. (IEC268-3/DIN)

>>>>> 30 watts per channel, min. RMS, driven into 8 ohms, 40 Hz to 20 kHz, with no more than 0.8 % total harmonic distortion. <<<<<

At Surround operation
Front channels .............50 watts per channel, min. RMS, driven into 8 ohms at 1 kHz, with no more than 0.8 % total harmonic distortion.

Center channel .............50 watts, min. RMS, driven into 8 ohms at 1 kHz, with no more than 0.8 % total harmonic distortion.

Rear channel .................50 watts, min. RMS, driven into 8 ohms at 1kHz, with no more than 0.8 % total harmonic distortion."

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