[AMRadio] A question about a National NC 2-40D receiver


Ronnie Hull w5sum at comcast.net
Fri Nov 8 09:42:09 EST 2013


One of my biggest regrets was giving away a 2-40d with matching speaker to a fellow wanting to break into vintage radio. Even more regret when I found out later he traded it off for a rice box

Sent from Ronnie's IPhone

> On Nov 8, 2013, at 8:19 AM, "Todd, KA1KAQ" <ka1kaq at gmail.com> wrote:
> 
>> On Thu, Nov 7, 2013 at 3:56 PM, W5AMI <ars.w5ami at gmail.com> wrote:
>> 
>> I have a 2-40D, but have not paired it up with anything yet.  I would not
>> only mute the speaker, but also open the B+ line.  I haven't looked in a
>> while, but I think you can accomplish both with the B+ running to the field
>> coil in the speaker.  Todd will know, as I bet he's used his with a tx...
> 
> You know Brian, I never have. Always had plans to, since it has such
> wonderful audio, but it still needs a re-capping so I never got that far.
> Been putting most of my time into the new harmonic and the rest into
> getting rid of excess stuff, so it might still be a while.
> 
> But you are right about opening the B+ or otherwise disabling receiver vs
> just the audio line. There are a couple guys I know of who have their 240Ds
> hooked up on the air: Phil, KC4VWU and 'Rock Cave Dave' N8LGU. I think
> Rodger/WQ9E who is a member here also has one set up. I'll see what I can
> find out.
> 
> ~ Todd,  KA1KAQ/4
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