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My version of an Ultrasonic Record Cleaner
My version of an Ultrasonic Record Cleaner
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Old 1st March 2017, 08:50 PM   #1661
Chrissylaa is offline Chrissylaa
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Join Date: Feb 2017
Quote:
Originally Posted by 12inch45rpm View Post
For the 7" records I plan to just immerse them directly in the trough. It's easier and it will clean faster. But how do I prevent the labels from getting damaged? I found this but it would be pricey to ship to the US:

KNOSTI disco-antistat dump +adattatore per 45 giri macchina lava dischi pulizia | eBay

Any suggestions for a homemade solution?
You shouldn't let anything touch the sides of the cleaning bath.You need to suspend the records.
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Old 1st March 2017, 09:04 PM   #1662
bbftx is offline bbftx  United States
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My 2 cents: I guess it can't hurt, but I don't see the point of the silver coil. The kill coils are for long term use in loop cooling systems that have more or less constant flow, or frequent on/off cycles. When you shut down your URC filter pump, there isn't any flow, so the coil won't keep things from growing elsewhere in your tubing where there is standing water for days on end.

After a cleaning session, everything should be opened up, drained and allowed to dry out, including your URC tank, the filter, filter canister and tubing. That prevents growth during the long periods where stuff isn't being cleaned.
Cheers,
B B
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Old 1st March 2017, 10:23 PM   #1663
redcars is offline redcars
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Hi bbftx,
Thanks for your reply.

In reply to your comments about the silver kill coil, I agree with your points, but:

I usually find time to clean records for 1-2 hours a day, every day. I run the pump for 30 minutes or so after I finish. Even if itís a good idea, and Iím sure that you are correct, Iím not going to dump out my 6 -7 liters of distilled water, a cup of Everclear, rebleed the pump, etc., every day. I was trying the silver coil because, as you put it, ďI guess it canít hurt.Ē Throwing away the filter and hoses every month or so is faster, cheaper & easier.

I'm counting on the Loricraft and L'Art to avoid any issues with my records.

I would be happy to try other suggestions. More silver, running the pump more, an additive that doesn't hurt anything, etc. ????

Don
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Old 2nd March 2017, 09:46 AM   #1664
PhantomZone is offline PhantomZone
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@redcars

I was thinking of doing a dual 37 & 80 cycle myself so its nice to hear you think its worth it...

I was only doing 1 rotation of the record before drying on my Okki Nokki so i think i'll increase to 3 cycles as i have a few records that definitely need a bit more TLC...

Nice to see another Elma user, report back the odd time with any new findings
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Old 7th March 2017, 04:41 AM   #1665
super10018 is offline super10018  United States
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After reading the post at Audio Asylum, it made me think about ultrasonic cleaning. If the bubbles can punch holes on aluminum foils, how about vinyls?

Vinyl Asylum
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Old 7th March 2017, 05:36 AM   #1666
TerribleT is offline TerribleT  United States
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Yes, how about vinyl? If those tiny explosions can punch holes though aluminum foil, could they possibly blow out small pieces of the vinyl as well as the gunk in the grooves? Maybe the process is just strong enough to deform the groove profile? What do you guys think?
David
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Old 7th March 2017, 10:02 AM   #1667
bbftx is offline bbftx  United States
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Quote:
Originally Posted by TerribleT View Post
Yes, how about vinyl? If those tiny explosions can punch holes though aluminum foil, could they possibly blow out small pieces of the vinyl as well as the gunk in the grooves? Maybe the process is just strong enough to deform the groove profile? What do you guys think?
David
No, ultrasonic cleaning won't punch holes in vinyl like it does in aluminum foil.

Foil is typically .0005" thick. Or about 10 to 15 microns. That's thinner than the radius of cavitation bubbles in an ultrasonic tank. There's very little aluminum mass relative to the energy density of the tiny cavitation bubbles. LPs are about 150 times thicker. Once you get to about .002" thickness foil, there is no damage to the foil in a high frequency ultrasonic tank -- none.

The argument that ultrasonic cleaners damage extremely thin foil, (metal!!!), so they must damage thicker LPs (plastic!!!) is silly.

What happens to aluminum foil if you tried to clean it on a VPI or other vacuum equipped record cleaner? It would get demolished worse than in an ultrasonic tank! Therefore I shouldn't clean my vinyl LP on said vacuum machine...

Cheers,
B B
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Old 7th March 2017, 12:17 PM   #1668
super10018 is offline super10018  United States
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Of course, nobody will suggest that the bubbles can literally punch holes through records. But I am not sure if tiny grooves can withstand these punches. I would assume the force generated by the contact of stylus is much stronger than the force generated by the bubbles. So if it is safe for stylus contacting the grooves, it should be ok for bubbles, too. However, I have not seen a definitive study which indicates ultrasound cleaning is safe for records.
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Old 7th March 2017, 04:21 PM   #1669
bbftx is offline bbftx  United States
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Hey Super, The empirical evidence for cleaning plastics safely with ultrasonics is overwhelming. Ultrasonic cleaning is used extensively for cleaning sensitive plastic labware, and has been used for decades to do this. The original patent for ultrasonic cleaning of LP records is over 50 years old. The inventor on the patent (Henes) had extensive experience with what could be cleaned safely with ultrasonics. In addition, as has been stated many times in this thread, using high frequencies, 60khz and above, which creates lower energy cavitation bubbles, provides an additional margin for safety in cleaning delicate, sensitive items like an LP groove. I have posted waveforms as well, before and after, that show no denigration of high frequency info on an LP.
Cheers,
B B
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Old 8th March 2017, 12:54 AM   #1670
notbent is offline notbent  Australia
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I received a Vibrato 80hz machine a few weeks ago.

Here is pic of a three minute foil test... the foil looks like it's been gently massaged!

I've cleaned around 60 records and the results are remarkable.

Cheers, Andy
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