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Old 28th October 2005, 08:23 AM   #1
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Question What kind are these resistors ?

Does anyone know what these resistors are ? Carbon, metal film, ... Are they usable for audio ?

Click the image to open in full size.

The ones in the both left packs are labeled "MFB0.1%", the actual value and "918T6a" resp. "919T6a" (where the "a" looks like the greek letter "alpha"). The smaller one to the right are labeled "TKD", "RN60M"; the actual values are written e.g. "100KD" resp. "800KF", 1.33MG" and so on.

The whole thing is kinda decadal attentuator salvaged off a Hewlett Packard signal generator bulit in 1969. First thought was to use it as a volume pot.

Thanks for looking !
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Old 28th October 2005, 12:38 PM   #2
KT is offline KT  United States
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Hey Smell,

I don't know about the resistors, but I think I know your brother, "SmellofPoop."

Best,
KT
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Old 28th October 2005, 12:42 PM   #3
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That was helpful ...
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Old 28th October 2005, 01:21 PM   #4
dhaen is offline dhaen  Europe
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KT: Please cut the derogatory remarks.
SmellOfPoo: If you want to change your username, just contact any mod by PM and it can be arranged. I'm sure there are better ones...
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Old 28th October 2005, 01:41 PM   #5
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well Smell, with a name like that, I gotta help.

A little search goes a long way, just use GooglePoo. Here is what I found. TKD mades very good pot, it is very likely those Japanese metal film are of very high quality.

www.tkd-corp.com/02_products/pdf/p08_RN.pdf
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Old 29th October 2005, 01:25 PM   #6
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Quote:
Originally posted by ChuckT
well Smell, with a name like that, I gotta help.
So Ill keep my soundful name ...


Thank you !
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Old 29th October 2005, 04:08 PM   #7
anatech is offline anatech  Canada
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Hi SmellOfPoo,
It is a 600 ohm switched volume control. To buy one would be very expensive. I'd keep it as is and use it for an output atenuatter for a signal generator. What was wrong with the HP? They are still worth money and work well.
-Chris
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Old 29th October 2005, 05:12 PM   #8
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I salvaged it out of the electronic waste bin on local junkyard. Someone has cannibalized it before, the attentuator was the last remain.
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Old 29th October 2005, 05:20 PM   #9
anatech is offline anatech  Canada
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That's sad.

What you have is worth keeping. It would be very useful in a project. Extremely high quality assembly.

-Chris
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