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Old 15th Mar 2018, 4:38 pm   #1
Meathur
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Default I got a radio - but no name/brand

Hi all,
I'm new to valve radios and I've a question:-

Last year I got this radio, but there is no branding/ name/number whatsoever. It did work once but when I powered it a week later one of the fuses blew up. I tried looking for some broken parts, but before replacing all capactitors I'd like to have a schematic. Maybe some parts are wrongly connected. But without brand and name, this is very hard to find. Someone recognizes this radio?

Used valves are: -Philips ECL84 (2x), -Some Telefunken valve (number isn't readable anymore) (1x), and a valve which doesn't have a brand and name anymore ;(. Also a EM-84 Cat eye is included.

Thanks for reading!
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Old 15th Mar 2018, 5:25 pm   #2
paulsherwin
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Default Re: I got a radio - but no name/brand

It appears to be French, or at least made for the French market. Someone may know it on a French site such as https://www.doctsf.com.

It may be a radiogram chassis.
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Old 15th Mar 2018, 7:39 pm   #3
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Default Re: I got a radio - but no name/brand

ECL84 seems strange for a radio....they are output valves (mainly continental use). Either the number is wrong or someone has just plugged them in to make it look complete. Either way, it won't work with ECL84. Even if they are ECH84, that's still unusual as they were mainly used as sync separators in Philips TV's but possibly they could be used as frequency changer and IF amp. You'll need to check those valve types again.
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Old 15th Mar 2018, 7:48 pm   #4
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Default Re: I got a radio - but no name/brand

The shape, and number of connections on the back, makes me feel it might be the chassis from a radiogram or similar.

And definitely French: the shortwave bands are designated "O.C." [Ondes Courtes]

Strange though, on the bottom row of station-names on the MW band, I wonder what is "Moorside" ?? And in the middle block of names is "Crownborough" which I assume should be Crowborough?
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Old 15th Mar 2018, 8:25 pm   #5
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Default Re: I got a radio - but no name/brand

Perhaps Moorside Edge.
http://aerialsandtv.com/moorsideedgetx.html
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Old 15th Mar 2018, 8:27 pm   #6
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Default Re: I got a radio - but no name/brand

The whole panel looks weird. OC is OK but long wave in French is normally GO (grandes ondes) and medium wave is PO (petites ondes) rather than OL and OM. Also the station names don´t look French. E.g. München instead of Munich. That doesn´t mean it´s not French, just unusual.
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Old 15th Mar 2018, 8:47 pm   #7
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Default Re: I got a radio - but no name/brand

Maybe Belgian? That might explain how it ended up in the Netherlands.
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Old 15th Mar 2018, 9:08 pm   #8
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Default Re: I got a radio - but no name/brand

At least one Nordmende (Sterling) and one Loewe Opta (Fonovox) had a very similar piano key and edge control (engraved in black) and edge control surround (also engraved in black) arrangement.

Might have originated as a German offering?

Lawrence.
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Old 15th Mar 2018, 9:39 pm   #9
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Default Re: I got a radio - but no name/brand

Crowbrough was the BBC World Service transmitter up into the 1970s

Trevor.
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Old 15th Mar 2018, 9:40 pm   #10
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Default Re: I got a radio - but no name/brand

It looks very W German to me, has all the hallmarks of a fairly high end job, but no FM. It looks early '60s from the IF cans. I don't think NordMende produced anything like that without FM in the '60's, and probably not Grundig, Telefunken, Saba etc.
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Old 15th Mar 2018, 9:56 pm   #11
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Default Re: I got a radio - but no name/brand

It has spaces for FM IF transformers and a second output valve for a more powerful output stage.
It looks like a valve tuner/amp if ever they were made.
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Old 16th Mar 2018, 10:20 am   #12
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Default Re: I got a radio - but no name/brand

Yes I agree it looks like it's a 'dual purpose' chassis: there are holes for extra IF transformers/valves, and the big cutout below the pivot for the rotating ferrite-rod antenna looks just right to take a FM tuner-module.

The transformer mounting on the end of the chassis is 'intriguing'.
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Old 16th Mar 2018, 10:30 am   #13
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Default Re: I got a radio - but no name/brand

I have seen ‘OL’ (Ondes Longues) as an alternative to ‘GO’ (LW) on other French radios.

FM in France wasn’t particularly widespread or popular until fairly late compared with other Western European countries.

I think it probably is French - if it were Belgian it would have Dutch labels too.
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Old 16th Mar 2018, 11:20 am   #14
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Default Re: I got a radio - but no name/brand

I have got a transistor portable that is marked PO and GO.
It is clearly marked "Made in France".
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Old 16th Mar 2018, 11:21 am   #15
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Default Re: I got a radio - but no name/brand

Possibly wrong valves fitted. More likely to be an ECH81 as the mixer-oscillator. The IF amplifier, demodulator and AGC an EBF80 or EBF89, or even the EAF801. ECL82 AF amplifier and output.

DFWB.
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Old 16th Mar 2018, 11:52 am   #16
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Default Re: I got a radio - but no name/brand

Interesting- in the UK, the concept of the "export" set was familiar and established, catering for far-flung Britons and generally offering good SW coverage but devoid of VHF/FM option. France (and other continental nations) also continued to have "overseas involvement" long post-war- could this set have been intended for this market, shorn of its domestic VHF/FM parts? The MW markings are strongly Europe-orientated but would still be relevant in, say, North Africa.
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Old 16th Mar 2018, 12:02 pm   #17
Meathur
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Default Re: I got a radio - but no name/brand

Quote:
Originally Posted by Sideband View Post
ECL84 seems strange for a radio....they are output valves (mainly continental use). Either the number is wrong or someone has just plugged them in to make it look complete.
You are correct, I mistyped the number. The correct valves are ECL82.

Thanks for the reply's, guys! I'll look at the French Forum which Paul mentioned (Hopefully my french is good enough).
I forgot to mention that the previous owner added an extra capacitor and a diode rectifier bridge. I do not know exactly why and how it is connected. When I've time I want to reverse-engineer this radio, I'm very interested how such a device actually works. I don't think we'll learn this kind of devices at our university ( I'm a first years EE student).

Quote:
Originally Posted by jb332 View Post
I think it probably is French - if it were Belgian it would have Dutch labels too.
Well, In that case I think it is Belgian, since one of the labes states: "Gew zenders", which is Dutch for "General channels". Also, both the Dutch "Brussel" and the French "Bruxelles"
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Old 19th Mar 2018, 12:15 am   #18
Maarten
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Default Re: I got a radio - but no name/brand

I see white stamping on the power transformer, could you tell me what it says or take a picture? Are there any kind of markings on the IF cans?

Also, I see you're from The Netherlands. You might try www.nfor.nl as there is also a lot of knowledge on French and Belgian sets. Added benefit: you can post in Dutch, which migth be easier for you than French.
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Old 19th Mar 2018, 10:08 am   #19
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Default Re: I got a radio - but no name/brand

That chassis has the look of a BlueSpot/Blaupunkt radiogram to me.
I'm thinking similar to a Blaupunkt "MonteCarlo" radiogram early 60s
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Old 19th Mar 2018, 10:40 pm   #20
Meathur
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Default Re: I got a radio - but no name/brand

Quote:
Originally Posted by Maarten View Post
I see white stamping on the power transformer, could you tell me what it says or take a picture? Are there any kind of markings on the IF cans?
I've taken pictures, see attachments . I cannot read the numbers on the transformer that well, it seems to be "10841". Also, the prints on the two smaller transformers are both "2014" and the prints on the IF cans are "10744" and "60709". Do you have any clue what those prints mean?


Quote:
Originally Posted by Maarten View Post
Also, I see you're from The Netherlands. You might try www.nfor.nl as there is also a lot of knowledge on French and Belgian sets. Added benefit: you can post in Dutch, which migth be easier for you than French.
Thanks, I'll have a look at.

This afternoon I visited the collection of old devices in our university in Delft, and the people who were there did not know what brand it was. They also think it may be a French or Belgian one, but they did not know what brand is is.
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