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Old 8th January 2013, 12:20 AM   #1
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Location: Pittsburg,CA
Default pots for punch 150's

Has anyone sourced the bass and treble pots for the punch 150's ?
I have come close. Newark PDB182-K220K-502B and PDB182-K420K-504A.
I am not totally sure if they are linear or audio taper pots originally? These also have knurled shafts which are not the standard round/flat shaft.
Any help welcome.
Thanks
Rich
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Old 8th January 2013, 01:45 AM   #2
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I don't know what the treble pot is. The bass pot is a reverse log pot, if I remember correctly.
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Old 8th January 2013, 01:55 AM   #3
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Default Punch 150 pots

Thanks Perry, still trying to track down closest replacements.
There has to be something out there!
Rich
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Old 8th January 2013, 02:43 AM   #4
dwvinky is offline dwvinky  United States
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Heres the number that was given to me by Rockford Fosgate for parts for their older amps. Freeman's Car Stereo: 704-398-2206
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Old 8th January 2013, 03:59 AM   #5
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I have lots of good used ones. Freemans probably does not have new ones. Im sure they have alot of used ones like I do.
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Old 8th January 2013, 05:08 AM   #6
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Why would there be a lot of used pots? It seems that they would have to be pulled from amps and most of the amps that used those pots were repairable.
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Old 8th January 2013, 11:27 AM   #7
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Default pots for r/f 150's

I will call Freemans today. If per chance they do not have any, I will write back. Thanks.
Rich
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Old 8th January 2013, 05:49 PM   #8
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They had alot of amps laying around that were parts amps of amps that needed repair. Jason is a very busy guy. I dont think they were interested in repairing all the amps they received from Rockford when they bought all the old stuff.
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Old 8th January 2013, 11:11 PM   #9
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If a reliable source for these is found, post the source here. I'm sure that a lot of people will be interested. A couple of friends of mine would likely to be interested.
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Old 8th January 2013, 11:34 PM   #10
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Default pot's for punch 150's

I tried Jason, very nice guy. I have had dealings with him before, outstanding. But no source for pots. I have heard through other postings on the web that the difference between 4.7K and 5K for the treble would be ok and that 470K vs 500K for the bass would be ok. This opens up alot more options, plus knowing that the bass is rev. log is very helpful. I have another 150 rev K that I can check with multimeter to see if linear or audio taper. The dimensions on the part numbers I gave previously are correct for pc board mount. I just do not like changing to a splined shaft.
Still working on sourcing, on another subject, bening a machinst of 34 yrs. myself and a friend are working on duplication of the original configuration of rockford knobs for 45's,75's,150's. Close but not in production, ( I have to be concerned about copyright infringement etc. Meaning they would not be exact. In the works.
I am only in need of one 5K dual gang treble pot for right now.
Thanks for the info.
Rich
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