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Old 23rd August 2012, 04:36 AM   #221
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kinda late to the original party here...

but to determine the potential damage to the LPs, what I would do is to select a test LP that is of no interest/value for the music, and run it for repeated cycles, like more than 10 and probably up to something like 50.

I'd start with a CLEAN LP, one that maybe has been cleaned or happens to be new or virtually new.

Now note the debris in the tank after 1, 10, 20, 30, N cycles.

Finally collect the total debris.

Inspect the debris under a good microscope to determine the nature of the debris, size and shape. If it is all uniform in terms of color and look it can be presumed to be vinyl. The ultimate test would be to get it into something like a test tube and heat the debris to the melting point of vinyl and see if it indeed congeals into a small blob or not... dirt and dust will not.

To power an ultrasonic element, you probably only need a high power multivibrator circuit. Of course that will not provide variable power, but maybe you don't need that.

Back in the day these things ran off a pair of 811A tubes - I know because I have one...

would be interested to know if anyone runs the test that I suggested and what they find...

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Old 23rd August 2012, 06:39 AM   #222
Shaun is online now Shaun  South Africa
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Quote:
Originally Posted by kgturner View Post
My question is, what should I used for an actual cleaning fluid? I was thinking of using my regular home brew record cleaning fluid (3:1 distilled water to 90% isopropyl alcohol w/ Triton X-100 surfactant). Anybody have any better ideas?
Some have reported using simply water. Table 1 on this page Blue Wave Ultrasonics: Manufacturers of Ultrasonic Cleaning Equipment may give further clues to what can be used.
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Old 23rd August 2012, 03:14 PM   #223
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Quote:
Originally Posted by Shaun View Post
Some have reported using simply water. Table 1 on this page Blue Wave Ultrasonics: Manufacturers of Ultrasonic Cleaning Equipment may give further clues to what can be used.
Thanks. I may just try distilled water with the Triton X-100 surfactant to start with. I only about 10 drops of Triton per gallon of distilled water so waste won't be much of a concern. I just need to think of a way to dry the LPs once cleaned.

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Old 26th December 2012, 07:05 PM   #224
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Default My version using the German made Elmasonic P60H

Great posts everyone! Gotta love DIY!

Decided to try my own version using a state of the art German made Elmasonic P60H with both 37 and 80 KHz modes, sweep mode, pulse mode, and an accurate thermostatically controlled heater. Sure it costs more than the cheap 40KHz machines but when i look at what the Audio Desk costs, this is still only a fraction of the cost. Purchased from Tovatech in the US 973-913-9735

Using the Vinyl Stack solution found on Ebay to separate records and protect the labels. Very well made product but fits on a 1/4" spindle only so I am using 1/4" aluminum rod for spindle.

Using a rotisserie to rotate the records < 2RPM.

Made the top frame from 2" aluminum angle brackets.

Holds up to 4 records at a time.

Using distilled water and a few drops of PhotoFlo and JetDry.

Just starting to use it so results are inconclusive so far. However, visually records come out looking cleaner than new and cleaner than after my VPI HW-17F.

Will post more results as i progress.
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Old 27th December 2012, 09:33 PM   #225
CT0wens is offline CT0wens  United States
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Default check out the other thread

Cbachalo -- if you haven't already discovered it -- all the DIY/US/RCM fun has moved over here: My version of an Ultrasonic Record Cleaner
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Old 27th December 2012, 09:47 PM   #226
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Default thanks, have reposted in this other thread

Quote:
Originally Posted by CT0wens View Post
Cbachalo -- if you haven't already discovered it -- all the DIY/US/RCM fun has moved over here: My version of an Ultrasonic Record Cleaner
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Old 30th April 2014, 02:26 PM   #227
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Originally Posted by joetama View Post
I am going to have to agree.

The whole point of the sonic bath is to clean things which you wouldn't want to use much force or an abrasive detergent on. I would imagine that it would be safe for Vinyl.

I've seen a Sonic Cleaner at Bed Bath and Beyond which said it was safe to clean CD's.

I almost purchased it...
Hi Joe!

This is a bit late reply to a page 7 post (I'm just working my way through them).

I'm also following another post about a DIY Ultrasonics cleaner, and it inspired me to buy a machine, it looks very similar to Lars'.

RE: Cleaning CD's in the US cleaner - I sure would STRONGLY advise against that!!

A CD or DVD, unlike a Vinyl record, is a sandwich of plastics and metals, and in the case of a CD/DVD-R or RW is a combination of dissimilar plastics and metal.

One of the main failure points of a CD or DVD is air seeping in the edge and oxidizing the aluminum substrate! If you do some research on this you'll find there are archival CDs & DVDs that are extremely expensive, one of the main factors is close inspection (at high magnification) of the edges.

Putting a CD in an US machine is totally a crap-shoot. The intense vibration would almost certainly force open any edge that was marginal. It could also trigger internal stresses that might do the same. The cleaning fluid could seep in or it could just open the seams slightly allowing air in over time.

I'll state right up front, this is all conjecture as they may well survive fine, but it's so easy to clean a CD/DVD by hand (unlike Vinyl) what's the point of risking it!?!

Joe - I know you were just quoting BB&B's product description, certainly no attack intended here at all, I do get vehement at times ... . Your point on it being safe for Vinyl is spot on, and proven by a number of people here & elsewhere!

Now back to my job of reading the rest of this fascinating jorney by Lars & the rest (soon to be me - I'm awaiting my machine impatiently. Think my Wife will lose me this weekend! )

All the Best, PuterPro
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Old 5th June 2014, 04:54 PM   #228
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Default First DIY ultrasonic cleaner

Hi, everyone,

This thread shows that first idea about cleaning LPs in ultrasonic bath was posted by Lars-Norway in 2008.

I would like to know who's idea was this originally. Was it Lars on this forum or idea came from somewhere else.
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Old 5th June 2014, 05:41 PM   #229
bbftx is offline bbftx  United States
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Default Patent, 1968

Quote:
Originally Posted by QZMA View Post
Hi, everyone,

This thread shows that first idea about cleaning LPs in ultrasonic bath was posted by Lars-Norway in 2008.

I would like to know who's idea was this originally. Was it Lars on this forum or idea came from somewhere else.
This isn't a new idea. There's several decades of prior art for Ultrasonic LP cleaning -- Patent filed in 1966 issued in 1968. Here's a link:

Patent US3401708: Device for ultrasonically cleaning phonographic records

Cheers,
B B
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