looking for 12v 75-120 watt amplifier

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looking for 12v 75-120 watt amplifier

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Stuckonit

Senior Member

19. June 2006 @ 17:48

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does anybody know were i would need an amplifier that can output 75 to 120 wats with an input of 12-14 volts. :D

Thanks

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djscoop

AfterDawn Addict

19. June 2006 @ 21:46

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is this for car or for home?

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"I have no particular talent. I am merely inquisitive" - Albert Einstein

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Stuckonit

Senior Member

20. June 2006 @ 07:04

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its mobile, im using it to power a 3way car subwoofer that im going to attach to my boke. i have 2, 12 volt battery packs, i would preffer to hook them up im parallel to get more amperage out of them but if it is necasary i can hook them up in series to get either 24 volts or +12, GND, -12.
Thank again

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djscoop

AfterDawn Addict

20. June 2006 @ 09:15

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well if you have a three way speaker system, then its not really a subwoofer. its a woofer, midrange, and tweeter system. if they are all in the same box, they should have their own internal crossover, so you just need one amp to power it. do you have one or two? you could just even use a mono single channel amp, but they are way overkill at 500+ watts for subwoofers.

just get yourself the bottom of the line car stereo amplifier. good brands are sony, alpine, pioneer. you can get a decent 50 X 50 watt amp for well under $100. I would also recmmend ebay. You can find extremely cheap car stereo atuff on ebay, just make sure its NEW IN BOX before buying...

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Stuckonit

Senior Member

20. June 2006 @ 09:36

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alright thanks, but i was looking for more of a diy kind of amp. i have many chips fron sound cards and radios but the max i found was about 8 watts. Do you know were i might find a amplifier chip like that but made to handel the 75-120 watt range?

Thanks again, and again

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sandt38

Member

21. June 2006 @ 05:04

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You are referring to an Op-Amp.

Here is a tutorial on op-amps:

http://www.uoguelph.ca/~antoon/gadgets/741/741.html

Here is a list of op-amps for sale:

http://www.maplin.co.uk/family_free_delivery/OP%20Amps.htm

a Google search will yeild more results for you. Op amps are not really desireable in car audio. I suggest E-Bay search "Cadence Amplifiers". They are excellent quality and a few sellers sell them very cheap on e-bay.

Here is my install: http://www.rankmyride.com/?page=cars/view&CID=918&pnum=3

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This message has been edited since posting. Last time this message was edited on 21. June 2006 @ 05:05

Stuckonit

Senior Member

21. June 2006 @ 07:25

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thanks ill see wat i can do with these. Thanks ill keep you posted.

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afterdawn.com > forums > home theater > receivers and amplifiers > looking for 12v 75-120 watt amplifier


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