PRP - Precision "Metal Film" Resistors - diyAudio
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Old 7th March 2006, 08:31 PM   #1
Gooch is offline Gooch  United States
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Default PRP - Precision "Metal Film" Resistors

Hello

Has anyone ever used these resistors and what do you thing.


Thanks
Dave

look here

click on the tab PRP
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Old 8th March 2006, 05:06 AM   #2
rdf is offline rdf  Canada
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Hi gooch. You may have already done so but, if not, search audioasylum. Quite a few opinions, almost universally negative. Most deride them in terms that sound so positive to me I might give them a try!
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Old 8th March 2006, 08:07 PM   #3
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The three things good ol' AB carbon comps excel at are:
1. The best, and clearest color markings ever.
2. High power pulse absorption.
3. Manufacturing process environmental problems, which caused manufacture to move offshore.

Sound ain't one of them. Not harsh to my ears, just veiled. (Not heard through modern speakers/system though. )

If you look around, there are posts on resistor comparisons; some Caddocks are highly thought of. Holco's (now discontinued) and PRP(?)get good marks from some. And for a very stiff price, the Vishays are still the best I've tried.

Michael Percy's site has many parts of interest; I've used his catalog for many years, and prefer his site to Parts Connexion, although that is just a personal bias; the orders I have placed with PC have been just fine.
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Old 8th March 2006, 09:02 PM   #4
Gooch is offline Gooch  United States
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Thanks Guys

I have been searching around I have used caddocks and Vishays in other projects.
Looking for a good resistor that won't brake the bank. I think I might put the money into volume and balance controls give that a try.


Dave
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Old 8th March 2006, 09:30 PM   #5
testlab is offline testlab  United States
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Carbon composition resistors drift a lot. They take on moisture when they are cold and drive of the moisture when they heat up. This results in the resistance changing when the unit warms up.

One of the advantages of carbon composition resistors is low parasitic inductance. They still find favor in rf circuits.
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