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Vintage Radio (domestic) Domestic vintage radio (wireless) receivers only.

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Old 13th Dec 2019, 12:04 am   #1
tircarradio
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Default Trying to find info on a vintage radio

I am trying to find the make of this radio. It says British made model 765B but I can’t find a make. Any ideas would be welcome. I am hopefully going to try and restore it.
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Old 13th Dec 2019, 1:48 am   #2
lloydwells
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Default Re: Trying to find info on a vintage radio

It's a Multitone made by Multitone of London a hearing aid manufacture by the look of it
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Old 13th Dec 2019, 9:33 am   #3
tircarradio
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Thanks for that

Also would you have any idea where I could get wiring diagrams for this model. i have tried searching but no success
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Old 13th Dec 2019, 5:54 pm   #4
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Default Re: Trying to find info on a vintage radio

If it's a multitone you won't get a schematic pop the back off and put some photos on here
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Old 14th Dec 2019, 12:04 am   #5
Dave757
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Default Re: Trying to find info on a vintage radio

Hi,

There's a Mutitone valved 'Deaf Aid Receiver' on Paul Stenning's disc 3.

Although it isn't the same model, having 3 front panel controls against
4 on the one pictured above, it may of course share similar circuitry

Kind regards
Dave
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Old 14th Dec 2019, 1:01 am   #6
AC/HL
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Default Re: Trying to find info on a vintage radio

tirrcaradio, can you remove the back panel and post some more photographs.
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Old 14th Dec 2019, 12:35 pm   #7
60 oldjohn
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Default Re: Trying to find info on a vintage radio

Quote:
Originally Posted by Dave757 View Post
Hi,

There's a Mutitone valved 'Deaf Aid Receiver' on Paul Stenning's disc 3



Kind regards
Dave


Also available top right of this page for £1.99, maybe worth a look.


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Old 14th Dec 2019, 2:02 pm   #8
David G4EBT
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Default Re: Trying to find info on a vintage radio

Quote:
Originally Posted by Dave757 View Post
Hi,

There's a Mutitone valved 'Deaf Aid Receiver' on Paul Stenning's disc 3.

Although it isn't the same model, having 3 front panel controls against
4 on the one pictured above, it may of course share similar circuitry

Kind regards
Dave
It might help identify if there are any similarities of that set and yours by looking at the valve line up.

The one on Paul's DVD-ROM (and at the top right of this page) is an all wave radio (L/M/SW) and 'deaf-aid' amplifier, using nine valves.

The line-up is as follows:

V1 6K8G
V2 6K7G
V3 6Q7G
V4 6K7G
V5 6Q7G
V6 6F6G
V7 6F6G
V8 5Z4G
V9 EM34 (Magic Eye).

It's quite a complex set with a powerful push-pull audio stage.

In some respects, a rather curious set which no doubt fulfilled a need, and I dare say would be been costly to buy. When switched to the 'hearing aid' amplifier position, the frequency changer and IF stages are disconnected, as is the magic eye. In that position, V4 is a microphone amplifier for a crystal mike.

Your set might be nothing like that one of course when you take a peep inside, but it's the only Multitone set listed.

Hope that might help a bit.
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Old 16th Dec 2019, 7:35 pm   #9
tircarradio
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Default Re: Trying to find info on a vintage radio

Thanks for all the replies above. I’ve had a look inside and attach a few photos of the setup. Only 5 valves in there I’m afraid. I hope to get the whole chassis removed and cleaned up to see if there are any clues as to the make etc.
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Old 19th Dec 2019, 6:05 pm   #10
allan
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Default Re: Trying to find info on a vintage radio

There might be a date on that aluminium capacitor at the back?
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Old 21st Dec 2019, 8:02 am   #11
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Default Re: Trying to find info on a vintage radio

There might be a clue on the dial glass.

Sometimes there is small text or a part number printed onto the glass to identify the artwork.

You may need to remove the chassis from the case to see it.
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