Positive Earth Radio Conversion

Old November 18th, 2009, 02:33 AM
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Positive Earth Radio Conversion

Mission impossible?
I shot a beautyful 1962 "His Masters Voice" car radio in the bay.It looks allmost new,got an external amplifier and lots of chromeSomething i didn`t knew is that the radio works on positive earth only.Such radios where made in england till the late sixties.Has anybody got information if there are converters on the market?I`m searching for something that can be connected between the radio and the cars body.A complete isolation of the whole system icl. antenna isn`t possible without the risk to flare my car
Thank you for all ideas,Martin
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Old November 18th, 2009, 02:55 AM
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Good Morning Mr. Phelps

I think that would be positive ground on this side of the pond?

I don't know if they make anything or how to do it.

The Impossible Mission Force/IMF needs to handle this one.
I think Barney is the electronics guy if I remember correctly.

If that was positive ground and isolated and the rest of the car was negative ground wouldn't you light up if you were grounded and touched the radio??

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Old November 18th, 2009, 03:03 AM
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Smile Reversed

I had my Oliver switched over from positive ground when I mounted an electric hoist for the snow plough...I think they just switched some wires around in the regulator and generator...so if you take your radio to a radio shop they might be able to switch it also...
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Old November 18th, 2009, 02:18 PM
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Some of the vintage radio services do a digital conversion and ground conversion. You might want to ask if they can just do he ground conversion. www.vintageautoradio.com
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