[ARC5] ARC-5 receiver audio transformer question

[Kenneth G. Gordon]

On 30 Jul 2014 at 15:02, Brian Clarke wrote:

> Hello Ken,
> 
> I know the feeling - I have a similar neon with one lead broken off at the glass
> bead.
> 
> If you allow 500 mW to 1 W output across 7000 Ohm, the input Voltage to the
> transformer would be 84 V max. That would be very loud in headphones. So, I
> would use any low-power neon tube that fired at about 65 V (= 0.6 W audio
> level). I suspect that any mains indicator neon lamp would do the job.
> 
> 73 de Brian, VK2GCE.

Sounds good, Brian.

$0.32 at Mouser. :-)

Ken W7EKB