[Heath] SB-100 vs SB101/102

[Ken Bakhaus]

It was noted in a recent post that the SB100 did not have the CW filter. Well, I have a SB-100 with such a filter which was actuated with the notorious lever actuator which usually breaks. On the front panel is small overlay panel which has the labeling for the filter. I don't know if this was a mod kit put out by Heath for late SB100s, a custom job or a prototype as I purchased this unit used. Several years ago I furnished a picture of this to the fellow that wrote a book on Heathkits and he included it as I remember.

I do know that Heath did put out a mod kit for the SB100 which made the best position of the driver/preselector to be nearly the same for both transmit and receive. The kit had a resistor, diode and maybe a capacitor. I did have (don't know if I still do) the manual for this mod.

Ken K8PAO
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