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Golf cart sub and amp install???

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13K views 12 replies 6 participants last post by  evil-titan  
#1 ·
Hey guy my future father in law wants me to put a 1500w amp and 12 sub in his fully electric golf cart he doesnt have a head unit in. He wants to be able to use just an AUX chord for his audio.. It has 6, 6volt batteries that are hooked up in the same phase. I can install a sub, amp and aftermarket HU in a vehicle with no issues. It's not having a HU and 12 volt DC power to work with that's confusing me! Please help, any advice wd be greatly appreciated
 
#2 ·
If you want him to be your father in law dont do it. Thats way to big of an amp. I managed an audio shop back in the day and you' be lucky to get a 200 watt max amp to work in a golf cart. We were barely able to get some 6.5" and 5.25" speakers to work with upgraded batteries. You can run a rca from the amp and convert it to a 3.5mm jack to use a mp3 player or ipod for music.
 
#3 ·
Thanks for your input! I was thinking it was way to big but I've never messed with golf cart audio systems before. I'm hoping more members will chime in to get their opinion as well.
 
#4 ·
I assume the intended use is to play music from the cart using an MP3 player as the source while playing a round of golf. A 1500 watt amp is way too much power for that purpose (other golfers will literally be shooting at him if he cranks the volume up).

A more practical size would be a 50 to 75 watt amp working from a separate 12volt battery. Trying to tap the last two batteries in the series string for power for the amp would not be good practice as the additional power taken from those two batteries would result in an uneven recharge of the cart battery string.

You should be looking at a 50 watt amp with its own 12volt power supply (battery and charger). 50 watts is more than enough power to drive your speaker of choice to a reasonable listening level.
 
#5 ·
Alright. I've talked to him more and we have decided to try using one regular 12 volt dc car battery and doing it that way. Would a 1500w amp still be to much? He is set and stone on using his 12 inch sub and 1500w amp. Don't take this as me saying it I'm relaying what he's saying to you guys
 
#6 · (Edited)
At full power a 1500 watt amp would draw anywhere from 125 to 200 amps from the battery, something less than that at less than full volume. A typical car battery is rated at 80ah (80 amps for one hour), therefore a fully charged battery may power the amp for somewhere between 30 minutes and an hour before it 'runs out of juice'.

As a test locate a Titan with a 1500 watt amp, park, turn off the engine, place the switch in aux position, crank up the volume on the radio and see how long the battery lasts! Make sure you have a second vehicle and jumper cables standing by if you aren't in your garage.
 
#7 ·
In my titan I have 1000w and it will last over and hour so 30 minutes to an hour seem right for 1500w. Bringing power to the amp from the battery will be simple. It's getting the bass out to the speaker from an aux chord will be the issue. Some one mentioned getting a rca to 3.5mm adapter..should radio shack have that ?
 
#9 ·
At this point in time you really should be asking if you want to marry into that family. :D Is this guy Rodney Dangerfield?

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#10 ·
At this point in time you really should be asking if you want to marry into that family.
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Is this guy Rodney Dangerfield?

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Lol..this isn't your everyday golf cart. It's more for running around the gated neighborhood. Jacked up..tires..rims lol this cart will never see a golf course
 
#12 ·
OK if he is going to put the 12s on the amp, what about the highs??? Or is he just going to be booming to no music??