On 26 Mar 2024 at 14:49,
[email protected] wrote:
> I think we all know how carbon resistors can increase in resistance
> over time, even when they are not even in use. I have been working on
> a BC-348-N that is fairly original. I was trying to figure out how
> the filaments had been rewired to 6.3V and while I was at it checked
> the value of some resistors. The one that really surprised me was the
> 15K one that measured at 28.8K. I thought perhaps that was an error
> in the manual but found that even the 1957 manual update still showed
> it as 15K. And yes, I have checked my VOM for accuracy in the Ohms
> range. I have been soldering modern resistors in parallel with them,
> which is much easier than trying to remove the old ones.
>
> Wayne
> WB5WSV
Wayne: I come up with your needing to parallel that 28.8 K resistor with a 31.3 k resistor to
get ~15 k.
Is that what you get?
Ken W7EKB