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Dear Mike.

The source for the term son is:

Moderne Schallplattentechnik von Dr. Ing. Fritz Bergtold
Franzis-Verlag M√ľnchen
(in deutscher Sprache, the standard work in german language)
page 25

I hope this helps.

Otto Striebel (record collector)
from Germany


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From: "Michael Biel" <[log in to unmask]>
Sent: Saturday, December 12, 2009 6:10 AM
To: <[log in to unmask]>
Subject: Re: [ARSCLIST] Cataloging of metal parts

> From: Andrew Hamilton <[log in to unmask]>
>> Thank you, Goran. I had not heard of the term, son, for stamper. I
>> like that one, but I don't know if the IASA had heard of that, either.
>
>
> Actually I don't think that anyone has ever heard of it.  I have read
> hundreds of books, articles, instruction manuals, guidebooks, etc. about
> recording techniques and technology dating from all eras of the
> industry, but have never seen anything relating the stamper to the word
> "son".  Can you cite me some specific sources in print that use this
> term?  I'm not saying that it has never been used, but it must be quite
> uncommon, at least in English.
>
> Mike Biel   [log in to unmask]
>
>
>
>> Here's what they have on their page about masters:
>
> " Master disc. A finished disc recording in edited or approved form from
> which copies can be made in the recording producing process. It is used
> to
> produce a reverse copy or metal matrix which has ridges instead of
> grooves
> that is then used as a _stamper_ for producing copies in the single-step
> process, or is used to produce a metal mother in the three-step
> process."
>
>
>> Also, thanks for the clarification, Tim W. I had thought that by "two
>> examples," you meant that there were only two examples, not, "here are 
>> two
>> (of many) examples..."  Cordially,  Andrew
>
>
> On 12/11/09 6:16 PM, "Goran Finnberg" <[log in to unmask]> wrote:
>
> Andrew Hamilton:
>>>> Ok, but what about the stampers, which
>>>> are neither mothers nor lacquers?
>
> Timothy Wisniewski:
>>> 1 sound disc (metal mother)
>>> 1 sound disc (lacquer)
>>> 1 sound disc (metal stamper)
>
> Goran Finnberg:
>> The first thing after the Laquer is the metal Father.
>>
>> Then comes the metal Mother.
>>
>> And then we get the metal stampers or more aptly put the metal Sons.
>>
>> 1 sound disc (lacquer)
>> 1 sound disc (metal Father)
>> 1 sound disc (metal Mother)
>> 1 sound disc (metal Son or stamper)
>>
>> The Laquer and the Mother can be audioned by an ordinary playback stylus.
>>
>> The Father and the Sons, ( pressing stampers ) are inverted and can only 
>> be
>> played by a special stylus that looks like an inverted V.
>>
>>
>
>