rockford alternators

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derrickg

Copper - Posts: 119

Joined: January 27, 2004

Location: Illinois, United States

Posted: July 29, 2006 at 1:09 PM / IP Logged

i wanted to know if anyone has info on these alternators i have a friend that has one that is supposed to be 220 amps with a external voltage reg. i wanted to know what the idle voltage would be.

derrickg

Copper - Posts: 119

Joined: January 27, 2004

Location: Illinois, United States

Posted: July 29, 2006 at 1:29 PM / IP Logged

i wanted to know the amperage at idle on this 220 amp unit

haemphyst

Platinum - Posts: 5,054

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Joined: January 19, 2003

Location: Michigan, Bouvet Island

Posted: July 29, 2006 at 10:09 PM / IP Logged

Probably around 65 amps or so. The owner's maual would have the information, I'm sure.

I had a 165A alternator from Alterstart on my Civic, and it was specified to put out 80A at idle. Without a current meter in the system, or without the manufacturers information, there's no way to guess.

It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."

derrickg

Copper - Posts: 119

Joined: January 27, 2004

Location: Illinois, United States

Posted: August 02, 2006 at 9:32 PM / IP Logged

the part no. on the alternator is "9290D G" does that help any

jazzcustom131

Copper - Posts: 175

Joined: October 10, 2004

Location: United States

Posted: August 02, 2006 at 11:10 PM / IP Logged

I'm gonna prolly sound silly here, but is this rockford fosgate we're talking about? Cause I did a general internet search for Rockford alternators and nothing really came up, it all referenced back to fosgate, but they don't have anything on their page about it.

Greed is for amateurs.

Disorder,chaos,anarchy now THAT is fun!!

derrickg

Copper - Posts: 119

Joined: January 27, 2004

Location: Illinois, United States

Posted: August 02, 2006 at 11:15 PM / IP Logged

yes it is rockford fosgate it is a old alternator

elicoleman

Copper - Posts: 72

Joined: May 31, 2005

Location: United States

Posted: August 03, 2006 at 12:53 AM / IP Logged

I think Rockford should stick to stereo compontents rather than auto parts. There are plenty of high output alternators on the market that the company specialzes in. I don't think I would every buy a Bosch stereo or Delco speakers.

2003 GMC Yukon, Kenwood 815DVD w/ Nav. Memphis speakers. Kenwood 1200W Amp, Alpine 400W amp. Rear view camera, headrest monitors. Parrot CK3100

jazzcustom131

Copper - Posts: 175

Joined: October 10, 2004

Location: United States

Posted: August 03, 2006 at 12:57 AM / IP Logged

lol, well, they don't make them anymore, least not that I can see.

Derrickg, I emailed fosgate, should have you some numbers sometime tomorrow

Greed is for amateurs.

Disorder,chaos,anarchy now THAT is fun!!

jeffchilcott

Platinum - Posts: 2,483

Joined: April 11, 2002

Location: United States

Posted: August 03, 2006 at 2:17 AM / IP Logged

You arnt by chance rom Missouri are you? I know rockord had some alts made with a rockford badge done for competitors a few years ago and they were 220 at 1200 engine RMS.......this could get interesting.

Post back with what you hear from rockford please!

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derrickg

Copper - Posts: 119

Joined: January 27, 2004

Location: Illinois, United States

Posted: August 03, 2006 at 6:57 AM / IP Logged

i am from chicago. i guess that alternator wouldnt be good for a everyday driver 220 amps at 1200 rpm whoa.

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