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cleaning diamond discs/ what is this?
Posted: Wed Apr 16, 2025 1:27 pm
by phonograph guy3435
I was in Maine over the summer, and I got a few diamond discs. 1 has a big brownish-gray splotch that has a lot of surface noise when it is played, but only on the spot. the other one is mostly brown with a few black grooves (everything but the black grooves have a lot of surface noise). I've tried using alcohol and cotton balls, but everytime it does nothing.
Re: cleaning diamond discs/ what is this?
Posted: Wed Apr 16, 2025 2:13 pm
by CarlosV
when a diamond disc is played with a steel needle, the groove is eaten away and its surface turns into an ugly brownish color. It looks like your record suffered such fate, and if so, it is not recoverable.
Re: cleaning diamond discs/ what is this?
Posted: Wed Apr 16, 2025 2:33 pm
by phonograph guy3435
thank you! is this very common on them? and if this was from when it was bought this would've been a very costly mistake as these cost almost 20 dollars in today's money.
Re: cleaning diamond discs/ what is this?
Posted: Wed Apr 16, 2025 3:08 pm
by JerryVan
phonograph guy3435 wrote: Wed Apr 16, 2025 2:33 pm
thank you! is this very common on them? and if this was from when it was bought this would've been a very costly mistake as these cost almost 20 dollars in today's money.
Well, it's a bit costly today too. A good rule of thumb is, don't buy records that look like that.
