[NJARC] resistors

[Al Klase]

Vic,

You'll generally have a fair amount of leeway.  First, the standard 
value system changed over the years, so for our purposed, 500K (old) = 
470K,  25K = 22K, etc.  Not a big change.

A lot of resistors in vintage radio had a tolerance of +/- 20%, so 
replacing a 56K with a 68K is generally OK, especially if you measured 
the 68K to be close to or less than target value.

Replacing a 56K with a 100K is probably pushing it just a little. Use 
two 100K in parallel.

Al


On 5/21/2013 2:16 PM, VICTOR BELLINI wrote:
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> question....when replacing resistors in tube radios how important is 
> to replace with the exact ohms....can you replace with slightly higher 
> value.....I know that the watts rating is important as it affects 
> voltage but won't hurt to replace 1/2 watt with 1 watt but I am not 
> sure regarding the ohms.....thanks
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-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/