His claim that the Audio Desk system, which uses a detergent/surfactant, leaves a soapy residue on the record makes sense: the record spins in the solution, the solution drops to the bottom of the tank and fans dry the record. He takes ultrasonic record cleaning several steps beyond anyone else's regimen and makes a strong case for why he does so. Kirmuss's presentation is convincing and his ideas credible. It's simply a matter of proceeding cautiously. I don't mean to disparage him or call his credibility into question. This of course is alarming to many of us who have used the Audio Desk and KLAUDIO machines to clean hundreds of our most valuable records and who have found the results to be both sonically stunning and far superior to vacuum and thread type machines.Īt this point we have no choice but to take his word that his machine is not the same as the one in the adjacent AXPONA booth but we're hoping for more certainty as we face the prospect of having damaged many records. Kirmuss says the "direct hit" and higher frequency of the other machines damages record grooves and "shaves off" high frequency information.
#Mitigating scratch on sme tonearm generator
Kirmuss claims that he worked with the ultrasonic machine's manufacturer to change the angle at which the cavitation bubble generator produces its waves (from aiming them broadside at the records to an unspecified angle) and he's set the frequency to 35kHz, which he claims is significantly lower than most of the others. Not only that, he claims it's different from the Audio Desk, KLAUDIO and the others in ways that are critical to how records can and should be ultrasonically cleaned. Kirmuss claims there are bigger differences than how the records spin and that his machine while visually identical to the one at the other booth, is far different.
Kirmuss's is a far more sophisticated adaptation that covers entirely the water vat with a slotted device that spins the records the way the Audio Desk (the originator of ultrasonic record cleaning, I believe) and KLAUDIO machines spin them.īut Mr. The other machine, like all of the others that adapt an existing ultrasonic bath device, uses a rotary spit-like mechanism to spin the records. The biggest difference appeared to be in how the records were placed in the vat. The system is based upon an ultrasonic bath-type cleaning machine from China, another of which that looked identical was being sold but a few feet away. Charles Kirmuss and his "In The Groove" Ultrasonic Vinyl Record Restoration System. Rather, he insists, it is vinyl residue "locked" into the grooves by soapy residue from other machines that his process has removed.) Kirmuss insists that the vinyl residue seen in his cavitation tank in this video is not damage caused by his device.
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