ljgerens
Responses from ljgerens
| Record Cleaning Machine ~ Ultrasonic vs. Rest @lewn, Regarding the composition of vinyl records; vinyl records are not a stable polymer of just carbon and hydrogen. Vinyl records contain a significant amount of chlorine and oxygen and a variety of additives. The thermoplastic resin used to p... | |
| "Cleaning" Vinyl Makes It Worse Not Better! An ultrasonic cleaner is the best way that I have found to clean vinyl records. I built my first ultrasonic cleaner in 1979 and used it to clean over 1000 records with excellent results. With my spindle assembly, I typically cleaned 8 to 10 record... | |
| Kirmuss 'In the Groove' Ultrasonic Record Restorer - Upscale Audio Edition @orthomead I would not rinse with tap water. Tap water contains numerous minerals, hydrocarbons and a fluorine containing compound, typically either sodium fluoride (NaF); sodium fluorosilicate (Na2SiF6); or fluorosilicic acid (H2SiF6). All of t... | |
| Kirmuss 'In the Groove' Ultrasonic Record Restorer - Upscale Audio Edition An ultrasonic cleaner is the best method that I have found to clean records. There is no need to spend a lot of money on an ultrasonic cleaner. It is a very mature technology and the first patent for ultrasonic cleaning of records was issued in 19... | |
| Apple lossless as a source You don't mention that you have a preamp. If you don't, for a reasonable priced DAC/preamp with volume control,I would recommend the Emotiva XDA-3 for $699. They do have 10% off your first order. If you want to save some money, a used Emotiva XDA-... | |
| sending signal wireless from Mac to DAC- whats the best way ? AirPort Express, gen 3 Apple TV, WiiM mini or WiiM pro will all work. | |
| The "Very Best Record Cleaning Formulation" @lewm You are correct regarding the effectiveness of distilled or deionized water be itself in the ultrasonic bath. Refer to my post on 06-21-2023 at 4:05pm. i don’t know whether there is a right frequency or wattage but my experiments @ 40 ... | |
| The "Very Best Record Cleaning Formulation" @wizzzard You asked for information about the commercial ultrasonic record cleaners. I am not familiar with any of the commercial ultrasonic record cleaners. I have no experience with any of them and I haven’t researched them. I built my ultraso... | |
| The "Very Best Record Cleaning Formulation" @lewm The analytical techniques that I discussed in my last post were not used on vinyl records. We were discussing the analysis of perfluoropolyethers in the LAST record preservative formulation and how one could determine the chemical compos... | |
| The "Very Best Record Cleaning Formulation" @wizzzard I just read that you requested information from me. I do not know what information you requested. I must have missed it. | |
| The "Very Best Record Cleaning Formulation" @wizzzard I never mentioned using an electron microscope for my analysis of perfluoropolyethers although I have used SEMs and TEMs as supporting techniques for other experiments. The main techniques that I used are Photoelectron Spectroscopy and... | |
| The "Very Best Record Cleaning Formulation" @mijostyn As I stated in a previous post these perfluoropolyether lubricants are typically only a few nanometers thick. Assuming the LAST record preservative is a similar thickness, you would not be able to see it on your slide. | |
| The "Very Best Record Cleaning Formulation" @mijostyn I never stated an opinion regarding the LAST record preservative. I have never used it or analyzed it. I only stated what they claim in their patent and brochure for your information regarding its chemical composition. You stated this ... | |
| The "Very Best Record Cleaning Formulation" @mijostyn I have no association with LAST and I have never used it. I am just posting what I found on one of their patents and one of their brochures at the Consumer Electronics Show (CES) 1982. One of the patents that I found was issued to Wal... | |
| The "Very Best Record Cleaning Formulation" @mijostyn Regarding your use of brake cleaning fluid on records. I have no idea what brake cleaning fluid you used, but I have only seen two types of brake cleaning fluid. Chlorinated which typically contain Perchloroethylene, Methylene Chloride... |