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 Post subject: Old radio
PostPosted: Dec Tue 03, 2019 8:52 pm 
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Looks like a home made radio. Not tested,no name.


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 Post subject: Re: Old radio
PostPosted: Dec Tue 03, 2019 9:43 pm 
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Looks like a glass diode (crystal) at one end. Is the coil wound on a cardboard tube of some sort ?.
The two eye hooks, one on the sliding tuner, the other on the fixed end wood block, wonder what the purpose ?
Where did you get this ? Just curious.


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Last edited by pauls.ironhorse on Dec Tue 03, 2019 10:02 pm, edited 1 time in total.
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 Post subject: Re: Old radio
PostPosted: Dec Tue 03, 2019 9:56 pm 
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Location: Haledon, NJ, usa
It's a very standard crystal set.
The eyelets allow for a rod to pass through them holding the slider-bar that contacts the coil at various spots for tuning.

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 Post subject: Re: Old radio
PostPosted: Dec Fri 20, 2019 7:25 am 
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Location: Los Angeles
Would it be hard to make a stereo version?

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 Post subject: Re: Old radio
PostPosted: Dec Fri 20, 2019 7:40 am 
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Location: Haledon, NJ, usa
john8750 wrote:
Would it be hard to make a stereo version?

Hi John:
A stereo crystal set?

I doubt it... lol

crystal sets are for AM radio... and I think stereo is only broadcast on FM
(stereo detector/de-modulator needed too somehow)

But maybe make two AM crystal sets and listen to each one in each ear?

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 Post subject: Re: Old radio
PostPosted: Dec Sat 21, 2019 7:38 am 
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Pbpix wrote:
john8750 wrote:
Would it be hard to make a stereo version?

Hi John:
A stereo crystal set?

I doubt it... lol

crystal sets are for AM radio... and I think stereo is only broadcast on FM
(stereo detector/de-modulator needed too somehow)

But maybe make two AM crystal sets and listen to each one in each ear?





Might use just one receiver, two amps. Connect one amp directly, the other amp with a delay line.
I guess that would be like a reverb, so.....
I don't get much AM anyway.
Can a crystal receive FM?

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 Post subject: Re: Old radio
PostPosted: Dec Sat 21, 2019 7:44 am 
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I am still gonna build another stereo amp.
But will open in a new thread.

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