[Hammarlund] Recap a SP-600 use orange drops or ceramic

[Ray, W2EC]

However,

Late model SP-600's had all the BBOD's replaced by ceramics for the
bypass caps right from the factory. So if they knew what they were doing
orginally, why did they change? I'm not being sarcastic, I am really
curious.

Ray, W2EC

Glen Zook wrote:
> 
> Basically, you need to replace the paper capacitors
> (i.e. "black beauty") with orange drop or similar
> capacitors.
> 
> Disc ceramics are fine for higher frequency r.f.
> bypassing, but don't do that good a job on audio.
> Conversely, orange drops don't work very well for r.f.
> bypassing.  The manufacturers knew what they were
> doing when they used paper capacitors in some circuits
> and disc ceramics in other circuits.
> 
> Thus, if you run into a bad disc ceramic, replace it
> with another disc ceramic and replace the paper
> capacitors with orange drops.
> 
> Glen, K9STH
>