Question about MA Audio HK4000D Car Audio Amplifier
I am trying to install a amp and sub in a 48 volt golf cart. which has 6/ 8 volt batteries. will my amp run if i put two batteries in a series and create 16 volts?
Pick any two batteries that have one wire connecting them together, connect your ground to the neg on one battery and your positive on positive post on the other battery, that should give you 16 volts. Also fuse your wiring on both sides just in case.
Posted on Nov 08, 2009
Golf carts do not have a charging system. If you are going to use battery power only, why not just add (1) 12V car battery instead of (2) 8V??
MA Audio runs (ran) their bench tests @ 17V. All the power ratings advertized are at 17V.
The power supply for the hk4000D is unregulated. So the more voltage = more power.. 8V-16VDC.
Don't expect the amplifier to work for very long however. the current drain on a class D amplifier is huge. There are no on-board fuses protecting the power supplies, so be sure to have at lease a 150A power line fuse.
With 150A current draw - even with the amplifier at 1/2 gain - expect to get 10.6 minutes of listening time from your 16 volts before recharging - also note, the amplifier MUST see 8V to turn on, there is a built-in voltage sensor that will shut down the amplifier if voltage is too low.
Posted on Jan 23, 2009
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Posted on Jan 02, 2017
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