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Dirty-South Blues Harp forum: wail on! > 1939 astatic crystal misadventure.
1939 astatic crystal misadventure.
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611 posts
May 22, 2021
9:51 PM
Bought this off our local auction site.Just for the shell really because the crystal is bound to be defunct?!
Well bugger me the crystal still worked and was awesome full power and warm and crunchy.
But i didn't like the chrome stand so i decided to do some surgery on the mike.
In the process i somehow loosened (detached) the earth wire from the Crystal.
Out comes the soldering iron for quick fix.
All looks good. Reassemble.
Except it seems that I have fried the crystal!(in 3 seconds)!
I near cried...
3347 posts
May 23, 2021
1:18 PM
I did something similar years ago on a brown bullet crystal element. It takes just no time at all. Lesson: HEAT SINK!!!
Music and travel destroy prejudice.




6955 posts
May 23, 2021
4:43 PM
Bad bad.
I do not like this news, Indigo.
It leads me to think my thoughts about crystals.
I was offered a NOS MC151 a year or so ago. The guy wanted upwards of $200.

When it comes to crystal elements, I think NOS is not really a more positive characteristic, and a seller who is asking a premium on that basis is either ignorant or sharp. If it's $230 to spin the wheel I'd rather deal with someone knowledgeable and pay the price for a known quality product.

But your story is tragic. Reminds me of Fawlty and Mrs Richards
120 posts
May 24, 2021
5:55 AM
A friend of mine had a similar bad experience. I think the problem is not the crystal, but the wrong use of term NOS. I'd consider NOS a never used replacement element, but nowadays with so many apps, the seller could send an video showing the product condition and how it sounds (you don't need to solder to check the sound) Dennis Gruenling is an example of this practice.

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