[ARC5] Miniature Tube Rebuild of ARC-5 BC-453 Receiver

[Kenneth G. Gordon]

On 16 Oct 2014 at 13:48, Phillip Carpenter wrote:

> I picked up a BC-453 that was completely rebuilt by some Ham back in the 1960s.
> It works but needs tweaking and realignment. The Ham rebuilt the radio using
> mostly original parts but used the miniature tube versions of the octal tubes
> and added a built in power supply and AF amplifier with speaker.
> 
> The receiver's tube complement includes: 6C4, 6BE6, 3-6BH6s, 12AX7, and 6AQ5.
> Zener diodes are used in the power supply with a Triad R-10A power transformer.
> 
> The receiver is neatly built.

Yes, it sure is. Thank you for the photo. I have never seen such a 
modification

> Does anyone know of any articles of a Ham doing an
> ARC-5 receiver conversion to miniature tubes?

No, although there is an article, "The ARC-5 Repackaged" in one of the 
Surplus destruction manuals in which someone repackaged a BC-453 onto a 
3" high rack-panel. But he used the octal tubes.

> I'm in the process of tracing out the circuit but it would be helpful if anyone
> can shed more light on this repackaged Command Set receiver or knew the Ham who
> built it.

I would have no idea. Perhaps someone else here?

It was very well done, IMHO.

Ken W7EKB