Question about MTX Thunder 8302 Car Audio Amplifier

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Subs will go off the wall with bass, but not in tune with music.

I just recently installed a pair of 10" mtx 5000 thunder series subs along with a 1000 watt d series mtx amp. the subs are going wild . they bump the loudest bass ever the only problem is that they are doing it constantly, with no tune what so ever. it is just thuuuuuuuuuuuuuuuuuuuuump until i turn down the gain or mess with the eq or freq. there is no bass or treble settings on this amp. these are the specs for the amp: RMS Power at 12.5V: 1 x 500W @ 4 ohms (<0.5% THD) 1 x 1000W @ 2 ohms (<1% THD) Dynamic Power at 14.4V (IHF-202): 1 x 850W @ 4 ohms 1 x 1500W @ 2 ohms S/N Ratio: 100dBA Damping Factor: >200 Freq. Response: 20Hz ∼ 200Hz Fuse: External 150A Dimensions: 14" x 9" x 2" (35.6cm x 22.8cm x 5cm) i think it may be my rca connections, but i realy don't know

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Hi, first disconnect the rca input, then switch on headunit and if the amp produces a constant bass thump it then means it has an internal fault. if the amp idles quietly then replace the rca cable, or try connecting the headunit lineout feed directly to the bass amp, in this way you cud find out if your fault is coming from the headunit or the equaliser. cheers

Posted on Aug 05, 2007

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Posted on Jan 02, 2017

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SINCE YOU NEED A 1 OHM LOAD, I PRESUME BRIDGED AND ARE USING TWO SUBS, THEN HOPEFULLY YOU HAVE THE DUAL VOICE COIL TYPE, AS THEY ARE DUAL 4 OHM AND YOU WILL HAVE TO CONNECT THE VOICE-COILS IN PARALLEL WHICH WILL MAKE EACH SPEAKER A 2 OHM SPEAKER AND THEN CONNECT THE TWO SPEAKERS THEMSELVES IN PARALLEL AND THIS WILL PROVIDE YOU THE 1 OHM LOAD. IF YOU IN FACT HAVE THE SINGLE 4 OHM VOICE COIL VERSION, THEN IT WILL ONLY PARALLEL THE PAIR DOWN TO 2 OHMS. OK. LET ME KNOW IF YOU NEED FURTHER ASSISTANCE.....V

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RCA shield ground test

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