I'll write what I know here as it might be of use to a few people.
>From what I learned a while back I believe the push buttons are made by C&K
Components, www.ck-components .com
They have a range of pushbutton switches and buttons called F series. I
believe Mouser, and likely others carry the switches but so far I have not
identified who might stock the buttons.
Mouser part number 611-FLT2UEETB would appear to be the switch itself.
If you click on the data sheet for this switch it will take you to the C&K F
series brochure for the F series switches and buttons. Fpush_31aug10.pdf
This allows you to determine the C&K part numbers for what you want.
I believe the push buttons used on the Alpha 76 and 78 amplifiers are type
F02 on page 7 of the pdf file and type F07 on page 8.
If these are right and anyone can find a source of stock I might like a
couple of each.
Regards
Martin, HS0ZED
-----Original Message-----
From: Bob K6UJ [mailto:k6uj@pacbell.net]
Sent: Tuesday, October 30, 2012 09:44
To: Martin Sole
Subject: Re: [Amps] Alpha 76A switch caps
Martin,
Any luck finding the supplier?
I need to replace the buttons (and the entire switch if I can find them)
for ON/OFF and CW/SSB on my Alpha 76CA.
The Alpha 78 uses the same switches. At this point I dont care what color
they are !
These are bigger than the four push button switches in the middle of the
front panel for metering.
If you still have some of the switches and caps laying around please let me
know if I can purchase them from you.
thanks es 73,
Bob
K6UJ
On Oct 25, 2012, at 3:39 PM, Martin Sole wrote:
> I went through this process a couple of years ago when I found some
> Alpha 78's in a junk yard (really!) A couple had missing switch caps
> but some junked and broken apart Watkins Johnson receivers had the
> same switch caps albeit with yellow inserts rather than the orange
> used by Alpha. I did some research at the time and did locate who I
believe was the original supplier.
> Data long gone but I'll have 'a bit of a Google' this morning and see
> what I can find.
>
> Regards
> Martin, HS0ZED
>
>
>
> -----Original Message-----
> From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of John E.
> Cleeve
> Sent: Friday, October 26, 2012 01:36
> To: amps@contesting.com
> Subject: [Amps] Alpha 76A switch caps
>
> Good evening,
>
>
> I have obtained replacement push button switches for the Alpha 76A
> from RF Concepts, but they cannot supply replacement switch caps. The
> rectangular push button switch caps contain a mechanical "state"
> indicator. Does anyone know of a source, or who manufactured them.
>
>
> 73, sincerely, John. G3JVC/GM3JVC.
>
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