FDP Forum / Your thoughts on Resistors for a Sunn Sentura I amp./ 5 messages in thread.

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Stratmanx

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Memphis, TN

Sep 13th, 2017 07:47 AM        

I'm re-capping my 1968 Sunn Sentura I and at the same time I'm replacing the multicap can (30, 20, 20, 20) I want to replace the 6.8K and 10K resistors as indicated in the link below. <br /> <br /> At present the 6.8K 5 watt resistor is a wirewound cement type and the 10K 2 watt is a carbon comp.<br /> <br /> I was thinking about replacing the 6.8K with an Ohmite wirewound Brown Devil rather than the current wirewound cement, as well as replacing the 10K with a metal oxide rather than the carbon comp. <br /> <br /> Would this be a wise choice ?<br /> <br />



willie

Contributing Member
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Too Near Atlanta GA

Amp Tech Emeritus
Sep 13th, 2017 08:01 AM        

Yes...choices sound good and should work well. <br /> <br /> w



BbendFender

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American Patriot

About as ordinary as you can get.
Sep 13th, 2017 10:57 AM        

I have a bunch of old 5 watt carbon resistors if you need them for your project. I can test to make sure they are well within tolerance.



Stratmanx

Contributing Member
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Memphis, TN

Sep 13th, 2017 12:38 PM        

Appreciate it, but went ahead and ordered the metal oxide. <br /> <br /> I found that that older carbon comp had drifted a bit so figured get modern and stable !<br /> <br /> Thanks for offering though !



pdf64



UK

Sep 17th, 2017 02:31 AM        

And metal types have the advantage over carbon of not presenting 'fuel to the fire' should the part overdissipate significantly, which is beneficial in the case of power supply components!



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