Setting amp gains (help Please)


Bronze Member
Username: Red_alert05

Post Number: 26
Registered: Jul-05
I have a hifonics BX1500D and I need help setting the amp gains. On the amp they have 9v as the min and .2v as the max. My cd player has 2v preouts can somebody lend a hand with this.


Gold Member
Username: Glasswolf

Wisteria, Lane USA

Post Number: 8936
Registered: Dec-03
you should be able to set the gain near peak without distortion, though I suggest not maxing it out, as the absolute peak setting leaves no room changes or extra "cushioning" for headroom. I don't trust the markings totally so I'd be conservative.. set a little bit back from max for 2 volts.
If the amplifier clips, or you audibly hear distortion or odd sounds from the sub, decrease the gain till it stop.

Bronze Member
Username: Red_alert05

Post Number: 27
Registered: Jul-05
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