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  1. Neil.Antin

    Degritter Mark II

    The DG vs Kirmuss are two entirely different cleaning processes. Kirmuss is a manual-clean + UT process. The UT is 35-kHz. The 35-kHz gives big bubbles with high cavitation intensity. DG by itself is purely UT. The UT is 120-kHz (with lots of power). The 120kHz gives smaller bubbles, and...
  2. Neil.Antin

    Soundsmith Sussurro MkII re-evaluated

    I also have a Sussurro Gold. A dealer made me an offer I could not refuse. I wrote the following review for the dealer that has been updated to address when I swapped in Graaf GM100 this last winter. What is the Sussurro MKII ES Gold? Piecing together info from various web-sites, it differs...
  3. Neil.Antin

    Ultrasonic Cavitation & Cleaning Explained

    The 104W power draw would be about right considering that the power supply is not 100% efficient. The Elmasonic P60H which is a 6-L dual frequency machine 37/80-kHz PP_Elmasonic_P60H_EN.pdf (elma-ultrasonic.com) is rated 180W at 120VAC, but also a peak power of 720W. The unit has multiple...
  4. Neil.Antin

    Ultrasonic Cavitation & Cleaning Explained

    Why are you cleaning for 48-min? If the record is not cleaned in 20-min, additional time offers limited benefit and 30-min should be your upper max. However, based on the rpm, try to time for an even number of rotations so the record is equally cleaned. Example; at 0.63-rpm 15-revolutions is...
  5. Neil.Antin

    Degritter Mark II

    The purity of RO is dependent on the input water which varies widely such as U.S. EPA Freshwater Explorer (arcgis.com), select the Measured Conductivity NWIS tab and note that TDS is = 1/2 the indicated conductivity (uS/cm). If your locality has low TDS tap-water, the RO output can be very...
  6. Neil.Antin

    Ultrasonic Cavitation & Cleaning Explained

    Easy enough to check. Place a couple drops of the distilled water you use with no chemical and a couple drops of the AIVS diluted/prepare solution on a clean hard smooth surface - like glass and allow them to evaporate. Is there any difference between the diluted in-use AIVS with the pure...
  7. Neil.Antin

    Degritter Mark II

    Long story short, either is fine for record cleaning. If you are in the US, distilled water is readily available in your local grocery store. If you are in the EU/UK demineralized water is more readily available. There are subtle differences between them, the pH of distilled water tends to...
  8. Neil.Antin

    Ultrasonic Cavitation & Cleaning Explained

    The photos show that the aluminum foil is dimpled, but not much more. After 2-min, a powerful tank would have probably produced more holes, acknowledging the 60-kHz frequency and also knowing that as the kHz increases, you need more power - see the very 1st post in this thread. However, I...
  9. Neil.Antin

    Ultrasonic Cavitation & Cleaning Explained

    If after 48-min, the tank was just barely warm, then either it's a very low powered tank or the UT transducers are not all working or barely working. Try doing an aluminum foil test - to verify that you are getting cavitation. However, just know that the aluminum foil only shows that there is...
  10. Neil.Antin

    How long will a Tergitol mix "hold" in a UCM tank?

    Tony, Thanks for the detailed response - its good info. Neil
  11. Neil.Antin

    Ultrasonic Cavitation & Cleaning Explained

    @Packgrog , I've been using a variation of your cleaning solution recipes, dumbed down for me by another chemist in the community. I've been using a 10ml Liquinox per Liter distilled water dilution for my pre-cleaner, and 25ml/L Ilfotol for main cleaner, in rinsed out old AIVS dispenser...
  12. Neil.Antin

    Degritter Mark II

    Since this post does not apply to the Degritter, I will be responding over at this thead: Ultrasonic Cavitation & Cleaning Explained | What's Best Audio and Video Forum. The Best High End Audio Forum on the planet! (whatsbestforum.com)
  13. Neil.Antin

    How long will a Tergitol mix "hold" in a UCM tank?

    Tony, How often do you top-off the IPA? How many days before you have to add IPA? Take care, Neil
  14. Neil.Antin

    Ultrasonic Cavitation & Cleaning Explained

    Tony, Long story short, you want to rinse after the Liquinox or you will carry it over to your ultrasonic tank and it will increase the TDS measurement and lead to foaming. Take care, Neil PS/Read the book version 3.1, XIII.5 Importance of Rinsing.
  15. Neil.Antin

    How long will a Tergitol mix "hold" in a UCM tank?

    Tony, Tergitol 15-S-9 is non-volatile, so it's not going to evaporate from the water, in fact, if the water evaporates, the Tergitol 15-S-9 concentration increases. So long as the bath is clear, and has no objectionable odor, its fine. However, if the bath 'had' IPA, that could be a...
  16. Neil.Antin

    tima's DIY RCM

    Tim There are pro's and con's: Pro: Look at Figure 38 – Water + Alcohol Surface Tensions of at 25°C, 2% will reduce the surface tension by about 10% and look at Figure 37 – Water + Alcohol Boiling Points, 2% will reduce the boiling point by about 10%. The consequence is that when you remove...
  17. Neil.Antin

    tima's DIY RCM

    Andreas, At 2%, look at the book Figure 36 – Alcohol + Water Flashpoint Temperature, the flashpoint is 66.5C (151.7F). In use for cleaning records, you should stay max at ~25C (95F) and never exceed 40C (104) otherwise you risk damaging the record. At these low temperatures, the small amount...
  18. Neil.Antin

    tima's DIY RCM

    Andreas, Ouch! Sorry to hear of your trials and tribulations. It should not be this difficult. I just spent an hour seeing if I could have identified an alternate with no real luck. The internet search engines are very regional and not easy to manipulate to search other countries/regions...
  19. Neil.Antin

    Anyone have a clue what’s on this record surface?

    Tony, Just remember this a PVA-wood glue -peel. So, when removing, pull so as to peel the glue the from surface. Take care, Neil
  20. Neil.Antin

    Anyone have a clue what’s on this record surface?

    Tony, 99% IPA is fine to use for spot cleaning. Titebond III Ultimate is not a PVA wood glue - its a polyurethane type glue - TB III Tri-Fold F (titebond.com) - use as your own risk, I make no recommendation. Same for the Elmers Glue-All, no data available to tell exactly what it is. Use of...
  21. Neil.Antin

    Anyone have a clue what’s on this record surface?

    @Tony, Not a clue what it is but consider what the book says in VIII.13 DETRITUS OF UNKNOWN ORIGIN – SPOT CLEANING: addressing various method to try. Take care, Neil
  22. Neil.Antin

    Ultrasonic Cavitation & Cleaning Explained

    FYI to All: An update to the book has just been published - 3rd Edition-Change 1 is now available Precision Aqueous Cleaning of Vinyl Records-3rd Edition - The Vinyl Press. As addressed at the bottom of the page: This third, definitive edition of Precision Aqueous Cleaning of Vinyl Records with...
  23. Neil.Antin

    Degritter Mark II

    Jim, Sorry to hear about you being under the weather, best wishes for good news and a speedy recovery. Take care, Neil
  24. Neil.Antin

    Degritter Mark II

    Jim: 1. If you look at Figure 43 of the book, the wavelength (peak to peak distance) of the lower frequencies <200 Hz are measured in millimeters. The long grooves are easy to clean. The more difficult grooves to clean are the high frequency grooves. The book in XII.3 briefly summarizes work...
  25. Neil.Antin

    Degritter Mark II

    Jim: The Degritter is not underpowered. Please recall what I said in this post WRT rules for ultrasonics https://www.whatsbestforum.com/threads/ultrasonic-cavitation-cleaning-explained.36690/post-870704 and specifically -The cavitation intensity is proportional to the bubble diameter and the...
  26. Neil.Antin

    Degritter Mark II

    Jim, yes, use of an electron microscope is not an actual picture of the record surface but an of an applied electron reflective layer. However, the Olympus high magnification digital microscope 'should' be a better representation of the actual surface.
  27. Neil.Antin

    Degritter Mark II

    Jim, thanks for your video. The best I have seen on the Degritter operating. The watt meter suggests that the unit is drawing rated power (~300W) for the UT, noting that the power supply would not be 100% efficient and that there would other power to the spinner, pump and electronics. Jim...
  28. Neil.Antin

    Degritter Mark II

    Jim: This video of how a stylus in a groove video was produced should answer all your questions -
  29. Neil.Antin

    Degritter Mark II

    Jim, Something you may wish to consider when comparing your contact time with @tima, is that his process spins the record at only ~0.5-rpm, so cumulative and continuous contact time is very different. Also, Tim does 10-min in a rinse UT tank @37-kHz at 0.5-rpm. So, this would all work out to...
  30. Neil.Antin

    Degritter Mark II

    The fundamental problem with high-magnification is image stability and field of view, it gets so small that you end up viewing only a fraction of an inch and to get image stability you need a very stable surface, making the use of high-magnification for cleanliness of a record with a surface...

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