Record Cleaning Machines


Has anyone out there done an A/B comparison of the cleaning results or efficacy using the Degritter ultra sonic record cleaning machine which operates at 120 kHz/300 watts and an ultrasonic cleaner that operates at 40 kHz/300 or 380 watts (e.g. Audio Desk; CleanerVinyl; the Kirmuss machine; etc.)?  I have a system I put together using CleanerVinyl equipment, a standard 40 kHz ultrasonic tank and a Knosti Disco-Antistat for final rinse.  I clean 3 records at a time and get great results.  Surface noise on well cared for records (only kind I have) is virtually totally eliminated, sound comes from a totally black background and audio performance is noticeably improved in every way.  Even though the Degritter only cleans 1 record at a time, it seems significantly easier to use, more compact and relatively quick, compared to the system I have now.  I'm wondering if the Degritter's 120 kHz is all that much more effective, if at all, in rendering better audio performance than the standard 40 kHz frequency.  I don't mind, at all, spending a little extra time cleaning my records if the audio results using the Degritter are not going to be any different.  I'm not inclined to spend three grand for a little more ease & convenience and to save a few minutes.  However, if I could be assured the Degritter would render better audio performance results, even relatively small improvements, that would be a whole other story.
oldaudiophile
I’ll just say, I had a Kirmuss and liked the end result, but I started getting royally pissed at it for constantly overheating and continuously sitting around for 20 minutes while it cooled off! I have an Audio Desk system now and glad I paid the extra for quality cleaning. I did start off my cleaning adventure with an okki nokki but moved up to ultra cleaning....imo.
I’ve maybe got $600 into it, and other than the initial spreading of cleaner and putting on the spindle, it’s pretty much hands off.  I can do 6 at a time but usually do 4 with a little more space between them
I have a Kirmuss on loan right now. The Kirmuss method is as mentioned above, lengthy and involved. Therefore, i decided I wanted to see if the machine worked well with just distilled water and nothing else. At first, I had thought that the lack of drying would be the main issue, but this has proven not to be the case! The LP's don't get that wet, which really surprises me. The application of a good eye glass optic microfibre cloth seems to solve the drying issue. The problem is that the machine is not exactly a precision device, as such the potential for damage to the LP's as you insert and remove them from the spinner is considerable. To that, the results with just plain distilled water are nothing extraordinary. A generally clean record will come out a tad cleaner than before, but as Kirmuss points out, to really clean the grooves, one needs to do a multiple step process with multiple US insertions. This is a royal PITA. I am not even sure if the application of something like Gruv Glide will not give one the same result on a vacuum cleaned LP! 
Then we have the heating issue, which has been touched on above, although I have noticed that the warmer the water, the better the result--to a degree. Clearly at some point the water is too hot and the machine needs to rest. Kirmuss doesn't believe in drying in the machine, which I think is his way of copping out and not figuring out a way for the machine to do this. BUT the bigger issue, as it turns out, is the risk to the LP on insertion and removal, get it slightly wrong and you can easily damage your precious vinyl...which gives me considerable pause and concern in regards to this machine!
I use an inexpensive "Record Doctor" cleaning mchine - but it doesn't do the actual cleaning.I use a mix of dishwashing liquid and 70%  alcohol, and vigorously brush both sides of a record with a fine pure bristle paintbrush, then douse it with a good long spray of tap water.The Record Doctor isn't what cleans the record but does a great job of getting it perfectly dry. Results appear to be excelent. Shiny, spotless records, especially with some terrific used bargains I sometimes find, and considerably quieter surfaces.
@stager   There is some concern that using alcohol on LP's can be quite detrimental. Alcohol is a drying agent, as such the potential to dry the vinyl and make it more brittle is a possibility. Possible damage to the groove wall would be the result.