Re: Adjusting gains and HU Pre-Out Volts
Most HU's won't put out they're prescribed voltage (whether it be 2, 4, 5 or 8 volts...or whatever) without the subwoofer setting being all the way up...an also the volume near the clipping point (checked my old Premier P780-MP with an oscope and it wasn't putting out 4 volts until I was at 58/62 on the volume knob...didn't clip until 61/62 though).
What HU do you have? I'm sure someone on here has tested the same brand to see where it starts to clip on the volume knob....most Premier's I've heard about clip at 61/62 and alot of the Alpine's clip at 32/35.
Now if you're just asking about whether 2 volt or 4 volt preouts make a difference when using a DMM the answer is no...just set it where your equation tells you to.
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