Found John's stuff on eBay, he offers an 'R-4B AC switch cap' (eBay
auction # 390275202438).
I wrote him, and he graciously replied that there was no reference to
that part on the T-4XB, so couldn't say for sure if it would work.
Naturally, he suggested I buy one and try it! In looking at my R4B, it
is identical in appearance, although it attaches to a switch and not a
potentiometer, only difference is the 'tabs' on the switch crimp on to a
switch wafer, instead of fitting into the rear of another potentiometer.
There could be a shaft difference, but these both have the same
property: being able to close the contacts on the first bit of travel of
the shaft, but continue to be rotated FURTHER and not affect the
switch. Clever little arrangement (now that I have had mine apart!) I
am sure I could marry the two together if need be.
So, I bought TWO. If it works, I will replace the equal age one on the
R4B. John ships two parts for the price of one - for an honest $1.30!
Not like SO many other auctions that charge at least $6 and often $10,
regardless of the size. NICE!
I will report back if the R4B switch cap is compatible with the T-4XB
switch.
Thanks so much for the tip Gary, this is such a GREAT reflector!
73 Kevin K7ZS
On 2/11/2012 3:49 AM, Gary Poland wrote:
Kevin,
I have replaced several switches by prying off the bad one, and
installing a new switch by trimming back the mounting tabs, and tack
soldering it on. There are a few different styles of switches so you
will need to locate the correct style. Back in the day Drake used to
offer these so check with John Kriner, he may still have some.
73, Gary
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