Worth repairing a Rockford Fosgate Punch 60.2? - diyAudio
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Old 23rd June 2009, 06:21 AM   #1
wpc is offline wpc  United States
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Default Worth repairing a Rockford Fosgate Punch 60.2?

Picked up a Rockford Fosgate Punch 60.2 on craigslist and it has some blown transistors? I think that's what they are. 2 are definitely burned across the side.

Is it worth fixing this thing? I heard they do about 300w @ 2ohm bridged.
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Old 23rd June 2009, 10:23 AM   #2
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It's not going to produce nearly 300 watts. Look up the owner's manual on the Rockford site. Don't expect any more than ~20% over the rated power (stated in the owner's manual).

Since you've already purchased it, you should repair it unless the circuit board is badly damaged. If the board is badly damaged, try to return it for a refund.
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Old 23rd June 2009, 02:27 PM   #3
wpc is offline wpc  United States
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well the amp is rated for 120w @ 4ohm bridged. So pushing 2ohm is beyond specifications. I think it would it be 240w + 20% = 288w? I think these specs were @ 12v.

I actually got 2 of these from that guy and one works and I'm running it at 2ohm bridged.

Just noticed ampguts doesn't have this amp. I should take some pics of the internals for ampguts. Here's a pic of a similar amphttp://ampguts.realmofexcursion.com/...x2/inside1.jpg

the 2 transistors that look burned are on the left and right. The ones under the metal sandwitch heatsink thingy. Do those cost a lot to replace?
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Old 23rd June 2009, 03:39 PM   #4
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The transistors are inexpensive. Typically they cost less than $2 each.

You should check the output transistors to see if any are shorted.

Also check the gate resistors for the power supply FETs. At least one is likely open or out of tolerance.
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Old 23rd June 2009, 03:42 PM   #5
wpc is offline wpc  United States
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sounds like fun. I guess I'll be asking fosgate for another schematic. I'll reply with some pics when I get home.
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Old 23rd June 2009, 07:45 PM   #6
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Default Rockford Transistors

PacParts Inc. just is now the parts and accessories distributor for Rockford Fosgate. No information on the pacparts.com website yet about Rockford Fosgate but give their office a call.

1-800-421-5080 try ext. 155 Joe or 162 Jay
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Old 23rd June 2009, 07:50 PM   #7
wpc is offline wpc  United States
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not sure if this is spam?
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Old 24th June 2009, 12:11 AM   #8
Jexx is offline Jexx  United States
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Send a message via MSN to Jexx
Definitely spam.
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Old 24th June 2009, 03:20 AM   #9
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I think he is just letting us know that pacific coast parts is now the parts distributor for Rockford, along with all of the other manufacturers that chose them to be the lone supplier for all of their parts and accessories. If it was spam, I am at least glad to have that information.
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If it ain't broke Don't fix it
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Old 24th June 2009, 10:50 PM   #10
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Smile Just trying to help....

No not spam at all. Just trying to give so direction. My name is Jay O'Neil (V.P.) PacParts Inc. . I hope the information is of some assistance.

Thank you.
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