[ARC5] W2EWL type SSB Exciter on eBay

[Dave Merrill]

B&W 2Q4 listing:

https://www.ebay.com/itm/176490190570

Dave N9ZC

On Mon, Nov 18, 2024, 5:33 PM Bill Cromwell <wrcromwell at gmail.com> wrote:

> Once upon a time I hunted for  2Q4 but never found one. I did play with a
> transmitter that used a phasing network. So much easier to use the filter
> (and we are back to the phasing network in software). A lot of work went
> into those rigs but I wouldn't want to live that way now.
>
> 73,
>
> Bill  KU8H
>
> On Nov 18, 2024, at 4:55 PM, Robert Nickels <ranickels at gmail.com> wrote:
>
> 
>
> I'm a big fan of Tony Vitale W2EWL and this major contribution to early
> SSB.   His original March 1956 QST article "Cheap and Easy SSB"
> subsequently appeared in several ARRL publications over the years.
>
> The article refers to operation on 20 meters (as he did), or switchable
> 80/20 meters (as the switch on the panel of this example indicates),  my
> experience was that really didn't work well - I ended up separating the
> mixer and driver functions in order to get proper drive on both bands.
> The original did not provide a VOX function and a close look at the photos
> will show that there is no PA tank coil present.  It's normally suspended
> between the two variable capacitors but the wire from the plate coupling
> cap just dead-ends at the plate tuning capacitor.   The original design
> does not have a VOX function and the panel layout here is different,  but
> on the other hand,  the 9 MHz crystal and 2Q4 phasing network are present,
> so it's definitely restorable.
>
> As you'd expect, the first step in building a Cheap and Easy was "removal
> of all of the original wiring from the BC-458 except the 1626 oscillator
> circuit".
>
> 73, Bob W9RAN
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