[78-L] Edison Diamond Discs - Need Cleaning Advice ^

[David Lennick]

Vodka. 3 glasses and everything will sound just peachy.

dl

On 10/23/2010 7:03 PM, Philip Carli wrote:
> Except DDs have no shellac, but are laminated with phenolic resin -- plastic.  Has anyone investigated in detail the effects of Windex (or other glass cleaners) on it?  Alcohol (as Edison literature originally recommended) only works on records that have been reasonably well kept (as Edison lit originally assumed), at least in my experience.  Heavy grime and grease seem to resist alcohol remarkably well.
> ________________________________________
> From: 78-l-bounces at klickitat.78online.com [78-l-bounces at klickitat.78online.com] On Behalf Of Malcolm Rockwell [malcolm at 78data.com]
> Sent: Saturday, October 23, 2010 1:13 PM
> To: 78-L Mail List
> Subject: Re: [78-L] Edison Diamond Discs - Need Cleaning Advice
>
> Alcohol, the purer the better. I use methyl, but isopropyl or Everclear
> (ethyl - the kind you can drink) will do just as well. As long as the
> purtity approaches 100% (200 proof).
> Rubbing alcohol and denatured alcohol both contain water which will be
> left after the alcohol has evaporated, and that will never do.
> Windex is no good for shellac, period.
> Mal
>
> *******
>
> On 10/23/2010 7:06 AM, Dave at Audio Tech Transfer wrote:
>> Greetings,
>>
>> I have about 100 Edison Diamond Discs, ranging from fairly clean to filthy.  I've done some research on the web and find conflicting advice and opinions (although virtually everyone cautions against using water):
>>
>> -Denatured alcohol
>> -Rubbing alcohol
>> -Windex
>> -NO alcohol!
>>
>> So, I'm confused.  What to do?  Some of the discs need nothing more than a dust-off with a carbon fibre brush.  Others will need aggressive cleaning.
>>
>> Suggestions?
>>
>> Thanks,
>> Dave "Cactus Cowboy"
>> ______________________________________________