AP1800 at .5ohm

[GlassEyez 10+ year member]

is it safe? wont be turned up anywhere near max. maybe halfway. would it be safe with big 3 and an extra battery in the back? or should i just stay at the 1ohm?

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[Vossy 10+ year member]

If possible I'd just stay at 1, but who knows.

 

[RAM_Designs 5,000+ posts]

is it safe? wont be turned up anywhere near max. maybe halfway.

If you're referring to the gain on the amp, then half way could mean you're clipping the signal and overdriving the amp, depending on your radio output voltage and how high you turn the radio up. The gain is not a volume knob, it's used to match, or at least not exceed, the output voltage of the radio(low voltage when turned down, higher voltage when turned up) with the input sensitivity(adjustable using the gain knob) of the amp.

The amp is more sensitive to the input voltage the higher you turn the gain up, and depending on the output voltage of your radio, you can get full power out of an amp with the gain tuned all the way down. Almost never will you need to turn the gain past half way since most every radio has at least 2V rca voltage from the radio.

So basically what I'm trying to say here is that "max" may be lower than "gain half way", depending on other factors.