I love Crystal radios

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I love Crystal radios

Post by Resistance is Futile on Tue Mar 18, 2008 1:49 pm

My first one was a plastic box type with a slider control on the front and had a circle with a lightning bolt in the circle. I wish I had it now. Sigh. I will post a picture of one like it if I can.

Arrow Click here to go to the --> Xtal Set Society

Arrow Click here to see an --> FM crystal radio construction set

Here what my first Crystal Radio Looked like:
Top Pin is Antenna, middle pin was ground and bottom was Phone plug.
Remco brand

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Re: I love Crystal radios

Post by krystallo on Thu Apr 03, 2008 1:44 am

Hey Resistance.
These sets show up all the time on epay.

FWIW, I have been an avid crystal radio builder for the last 40 years.

My current project is the "Beach Baby" concept set. Details on Rap 'n Tap ,then I can comment over hear.

Also FWIW,my top end set ,the "K-3" is a 660/46 litz ferrite assisted air coil set,made from very high end parts (3x UTC A-27 broadcast quality transformers ,ceramic var caps,sound powered phones, etc, etc/blah,blah,blah).

It has an outboard AM broadcast transmitter available to to perk it up even MORE than it's very good barefoot performance.

de K

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Re: I love Crystal radios

Post by krystallo on Tue Apr 08, 2008 1:31 am

Just to add,my boss had one of these as a kid and he could only get one station that he DIDN'T like.

They are very cool LOOKING sets,but I'm not so sure about the circuit itself though. Just a very simple slider I think.

K

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Re: I love Crystal radios

Post by Resistance is Futile on Tue Apr 08, 2008 1:27 pm

I could get Two or three stations on mine. I was 12 years old in 1956. My cousin wanted to trade me for it, and I gave in. pale

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Re: I love Crystal radios

Post by fifties on Tue Apr 20, 2010 5:24 am

You've got a year on me, lol.

In '54 or '55 (can't remember exactly), my dad got me a Galena crystal and cat's whisker assembly on a small piece of Phenolic plastic, and a headphone. He strung up an outdoor aerial, and I was able to get two stations with it.

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Re: I love Crystal radios

Post by krystallo on Tue Sep 14, 2010 12:47 pm

Hey All,

I'm still pluggin' and still alive.My latest project is a tapped crystal set in a VERY old small wooden cigar box.I'm working on it in drips and drops as things allow.

K

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Re: I love Crystal radios

Post by ddelby82128 on Sat Oct 16, 2010 4:43 am

A few years ago I bought some junk transistor radios and parted them out. I used the knobs and tuning capacitors to build crystal sets. After about 10 of these made in different styles I found I was not getting any better reception and I did not know radio enough to improve on what I did. Nevertheless it was 'fun' experience. I did install a resistor in the line and that made the sound clearer and louder but not more stations.

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Re: I love Crystal radios

Post by krystallo on Wed Oct 27, 2010 6:10 pm

Hey DD,

The best crystal sets are built with air variable capacitors (ceramic insulated are best) ,optimized coils and good audio circuits.

They generally work better than pulled parts .I really like the Tuggle circuit.
K

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Re: I love Crystal radios

Post by Resistance is Futile on Thu Oct 28, 2010 1:39 am

I used to hook up a variable cap to a rocket crystal radio and improve selection. On Local stations I hooked up an audio transformer and 12" speaker and was in seventh Heaven, at least I thought so any way.

I wonder why its so hard to find the varible loop sticks used in those sets. Suspect

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