MTX Car Audio & Video - Page 7 - Recent Questions, Troubleshooting & Support
Sub hum when amp goes up
I am assuming the following: The Amp power is 1/0 gauge wire (huge) and runs directly to the fuse then to the battery + terminal, and you have a 1/0 gauge wire to an excellent ground. If you are missing any of these (esp the fuse) you are flirting with disaster. This Amplifier draws upwards of 100 Amps with a 1 ohm load! (If you are using this for competition you may also use a second battery to help dampen the noise, a high output alternator, and or a capacitor (which should be connected to the 4 gauge input terminals on your amp). I also assume that: When the engine isn't running the "humm" is not present, and when running if you remove the RCA connections from the AMP the noise should also go away. This amp has line level adaptability connecting speaker level inputs directly into the RCA terminals (you must set the "input sens" switch to "X10") ... so you may get rid of the PAC converter this may help get rid of the noise. For more info call MTX tech service at 800 CALL MTX. And please use ear protection at high levels ... trust me Tinnitus is no fun!
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He needs schematic info about the values of the resistors, R1013 and R1014
I cant find a schematic for this amp. Anybody have one?
Sorry not a solution but might help.
Humming amplifier
One old trick is to use a new 14 gauge ground wire and connect your head unit to the amp.
Ground both ends to the metal on frame,
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