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

[Heinz Breuer]

Hello to the group,
well the seller wrote some BS in his auction description.

Google found me a listing on www.radiomuseum.org

Here are technical data as well as the tube complement:
<https://www.radiomuseum.org/r/philips_hmzl_34_okmhmzl34ok.html>

The ARC-5 schematic has nothing to do with this receiver. He could as well supply a copy of Правда (Prawda) or South China Morning Post.

If there is any interest I can ask my wife to download the schematic. She collects „nice old broadcast radios“ in contrast to my „ ugly and heavy green, black and grey boxes“ and is a member of radiomuseum.org which can download schematics and pictures.

vy 73 Heinz DH2FA, KM5VT


Von meinem iPhone gesendet

> Am 23.10.2020 um 20:20 schrieb Meir Ben-Dror WF2U <wf2u at ws19ops.com>:
> 
> It has a BFO, but no tuning.
> The mode switch is  marked Tön/TFN – Tonlos – Tonfilter: Sound/Telephony i.e. Phone – Without tone i.e.CW –  CW with filter.  The rest of the labels:  Lautstarke: volume control; Wellenbereich Schalter: (Wave)band Switch; Abstimmung: Tuning; Empfanger Regler: Receiver control i.e. RF gain.
>  
> Hope this helps.
>  
> 73, Meir WF2U
> Landrum, SC
>  
> From: arc5-bounces at mailman.qth.net On Behalf Of Brooke Clarke via ARC5
> Sent: Friday, October 23, 2020 1:54 PM
> To: Arc5 at mailman.qth.net
> Subject: Re: [ARC5] 200690713819 EBay German receiver, and...
>  
> 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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