Question:
According to a chart that i printed out it gave me the voltage output that i should be getting when i play a 60hz song at 4 ohms and 125 RMS (the max of my amp per channel). Well when i measured the amplifier output (it is CEA 2006 certified) it was only 17 when it was supposed to be at 24.6 or something. Well i put up the bass boost from 0DB to 6 DB and instantly it popped up to 25, then i put it up to 12 and it was like 31 or 32. So my question is what does the bass boost do, is it tricking the voltmeter, am i gonna blow my subs from moving up the bass boost? The chart i have says 250 watts RMS is equal to 31.62 volts so if my subs are 150 RMS will that make them blow from the bass boost?
Answers:
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The bass boost throws more power at the sub... so yes it makes sence that it is going up... be careful as the bass boost can double an amps power if you turn it up ann the way but here is the bad thing. 9 times out of 10 its a clipped signal (not good) If you really want the bass boost on I would just leave it at 3 to 4 dBs no more.Do I have to have my car on to activate my XM radio? I have a 2003 GMC Yukon XL?
Good Luck
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You set it for the subs rms not the amps rms. And it supposed to be 22.36. The bass boost will increase the lower frequencies so in turn, it does boost the bass. I would leave it about 6db.You did measure AC volts I hope. You have to adjust the gain to make the voltage match the chart.
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Also be aware that you must re-configure the amps output when going by the CEA-2006 as it's usually configured for 14.4 volts form the vehicle. I used the more realistic average voltage of 13.8 for my calculations.
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