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Stampers   


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  29th Jan 2023, 2:23 PM#1  REPORT  
PJL_RECORDS

Member since Jan 2020
304 Points
Hi all,

Can I put Stampers up on the site?
If yes is it under Album, Music Memorabilia or create a new section.

Thanks.


  29th Jan 2023, 4:38 PM#2  REPORT  
getalife

So many questions, so few answers
Member since Nov 2010
876 Points
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I’m saying yes under Acetates, see one l added on 45cat.

https://www.45cat.com/record/upc3607

You can add links to record if you have the details.

Edited by getalife on 29th Jan 2023, 4:46 PM

  29th Jan 2023, 4:49 PM#3  REPORT  
PJL_RECORDS

Member since Jan 2020
304 Points
Thank you getalife.


  29th Jan 2023, 4:52 PM#4  REPORT  
getalife

So many questions, so few answers
Member since Nov 2010
876 Points
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Looking forward to seeing them. :thumbsup:

Have you ever tried to play one, l did when I first got it and played ok but when I tried 55 years later not good as you can tell from my video.

Edited by getalife on 29th Jan 2023, 4:58 PM

  29th Jan 2023, 5:05 PM#5  REPORT  
PJL_RECORDS

Member since Jan 2020
304 Points
Just put one up now.
Yes I have played a few and sound not to bad.


  17th Mar 2023, 12:09 AM#6  REPORT  
GimmeVinyl

Member since Nov 2019
597 Points
Stampers? Are you sure that you don't mean " mother discs"? A stamper should be the complete negative to a record pressing, and as such could only be played in reverse rotation with a special stylus that would actually ride on the groove "peak".. The cartridge manufacturer Stanton used to make a stylus just for that purpose... To repair slightly worn stampers so the record pressing plant could get more pressings from a particular stamper.


  17th Mar 2023, 6:16 AM#7  REPORT  
getalife

So many questions, so few answers
Member since Nov 2010
876 Points
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Stand corrected, mine is a positive and thought it was called a stamper. Makes sense the negative being the one that actually stamps the vinyl.

Out of curiosity does the positive "mother discs" create the negative in the same way? or does the "mother discs" stamp a negative mould to create the stamper.

Edited by getalife on 17th Mar 2023, 6:42 AM

  17th Mar 2023, 1:43 PM#8  REPORT  
annaloog

Member since Sep 2012
6419 Points
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The mother (matrix) is plated to create a negative image, the stamper.


  17th Mar 2023, 3:51 PM#9  REPORT  
getalife

So many questions, so few answers
Member since Nov 2010
876 Points
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Having had mine 56 years l now know what it’s for, thank you, l learn something new every day. :thumbsup:

The sleeve with mine has “positive” written, is it still a mother or does it go through another process to create the mother? :read:

Edited by getalife on 17th Mar 2023, 4:02 PM

  17th Mar 2023, 6:51 PM#10  REPORT  
annaloog

Member since Sep 2012
6419 Points
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The 'normal' sequence, put simply, is lacquer disk, which is cut to produce a master, the master disk is plated to create a 'father' (negative image), which is plated to create a matrix (positive), which is plated to create a stamper (negative), two of which are used in a record press to stamp multiple copies.

Direct metal mastering (DMM) eliminates two of these stages.


  17th Mar 2023, 7:20 PM#11  REPORT  
getalife

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Member since Nov 2010
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Thank you, very informative and simple for me to understand. :thumbsup: :thumbsup:

Direct metal mastering (DMM) eliminates two of these stages. When did that process start, or was it available back then 50/60s


  17th Mar 2023, 10:30 PM#12  REPORT  
The_Vinyl_Junkie SUBS

My body is on the diminishing streak.
Member since Dec 2011
8049 Points
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An easy to understand blurb here with illustrations backing up annaloog's post.

The Direct Metal Mastering (DMM) came in the 80's while the Direct-to-Disc had a short-lived push in the 70's.

Edited by The_Vinyl_Junkie on 17th Mar 2023, 10:39 PM

  17th Mar 2023, 10:41 PM#13  REPORT  
GimmeVinyl

Member since Nov 2019
597 Points
I remember certain recordings being touted as "direct to disc", and something that was new at the time. Obviously people had forgotten that all music was recorded direct to disc before the advent of recording on tape...

Edited by moderator on 13th Apr 2023, 5:24 PM

  18th Mar 2023, 5:15 PM#14  REPORT  
getalife

So many questions, so few answers
Member since Nov 2010
876 Points
Moderator
Thank you all for taking the time and effort to answer my question. :thumbsup:

Is there a big difference in sound on the other method, no YouTube on the two given. :headphones:


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