[ARC5] 200690713819 EBay German receiver, and...

[Brooke Clarke]

Thanks Ken.  I thought the arrangement of the tubes was strange.

-- 
Have Fun,

Brooke Clarke
https://www.PRC68.com
http://www.end2partygovernment.com/2012Issues.html
axioms:
1. The extent to which you can fix or improve something will be limited by how well you understand how it works.
2. Everybody, with no exceptions, holds false beliefs.

-------- Original Message --------
> On 23 Oct 2020 at 10:09, Brooke Clarke via ARC5 wrote:
>
>> What is it?  There seems to be a 4 x 6 grid of tubes.
> Well, it is an HF receiver with 8 bands. The tuning window shows 6.5 to 11.5 MHz. From the
> coils on the bottom, it looks like there are, maybe, two RF amps, a mixer and an oscillator
> stages.
>
> I don't know German, so can't interpret all the controls, but it seems pretty obvious that there
> is no BFO, or if there IS one, it is untunable. There is an AF gain, or "Loudness" control, and
> what appears to be a tone control.
>
> It apparently uses an external power supply, as there is a bundle of cables coming out of one
> rear side.
>
> I am betting that it is a German version of the usual "moral" or troop entertainment receivers
> which most larger U.S. Navy ships carried.
>
> After I posted a comment to the seller that his schematic was of an ARC-5 receiver, he called
> me on the telephone. He lives in Boise, Idaho and has had the receiver for 10 years. He has
> been trying to find information on it since then. I pointed him to Jan-Martin LA8AK, who has a
> large collection of German WWII radio gear. Jan may be able to help him.
>
> >From what I can see, I THINK the schematic is of the BC- band ARC-5. The IF frequency is 3 
> numbers, and the only one that I know of is the 239 kHz if of the BC band receivers.
>
> Later,
>
> Ken W7EKB
>

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