Become a Site Supporter and Never see Ads again!

Author Topic: "Baking" old open-reel tapes  (Read 5823 times)

0 Members and 1 Guest are viewing this topic.

Offline Scooter123

  • "I am not an alcoholic. I am a drunk. Drunks don't go to meetings."
  • (9)
  • Needs to get out more...
  • *****
  • Posts: 2629
Re: "Baking" old open-reel tapes
« Reply #45 on: January 16, 2021, 05:09:17 AM »
That’s possible. The glue that held the oxide coating breaks down and goes a couple steps from a solid to a liquid. Dry heat at a temperature below melting temporarily solidifies that glue. Mere dryness without heat might work.

Sticky shed as it is called is a bitch.
Regards,
Scooter123

mk41 > N Box  > Sony M-10
mk4 > N Box > Sony M-10

Offline Numpy

  • + pace, amore e felicita +
  • (0)
  • Needs to get out more...
  • *****
  • Posts: 13852
  • Gender: Male
  • I support the Sierra Club, but don't represent it.
    • Oceana North America
Re: "Baking" old open-reel tapes
« Reply #46 on: January 20, 2021, 01:06:55 AM »
That’s possible. The glue that held the oxide coating breaks down and goes a couple steps from a solid to a liquid. Dry heat at a temperature below melting temporarily solidifies that glue. Mere dryness without heat might work.

Sticky shed as it is called is a bitch.

You'd think that somewhere the industry would have released a bit of tape formula science.
Like that article from the retired (3M ? / BASF?) dude that I cannot find...

Liberal media:
https://www.npr.org/sections/npr-extra/2012/05/30/153917107/a-sticky-situation-baking-the-tapes
« Last Edit: January 20, 2021, 01:12:00 AM by 108Ω »
"Peace is for everyone"
        - Norah Jones

"Music is the drug that won't kill you"
         - Fran Lebowitz

Offline moondust.and.solitude

  • (1)
  • Taperssection Newbie
  • *
  • Posts: 45
  • Gender: Male
  • Holding hands singing kumbaya
Re: "Baking" old open-reel tapes
« Reply #47 on: January 27, 2021, 05:42:13 AM »
This topic has been an amazing read. There really should be a documentary made about the preservation of analog tapes as it's a true work of art.

Offline DSatz

  • Site Supporter
  • (35)
  • Needs to get out more...
  • *
  • Posts: 3137
  • Gender: Male
Re: "Baking" old open-reel tapes
« Reply #48 on: February 21, 2021, 11:40:08 PM »
The tape "pancake" that came apart on January 1: Over the past week I finally overcame my dread, and in three separate sessions, spent about seven hours unknotting it (with white cotton gloves on) and putting it onto a reel.

Then I baked it again (because it had been more than a month since the first time), and tonight I transferred it. It sounded quite good overall, though some of the levels on the tape were a bit too hot and there was a little distortion on some peaks. Fortunately it was a 15 ips recording, which tends to help conceal minor amounts of physical damage a lot better than 7-1/2 ips. And it was Dolby "A" encoded, which prevents print-through from being a problem most of the time.

Before and after photos are attached.
music > microphones > a recorder of some sort

Offline morst

  • Trade Unionist
  • (2)
  • Needs to get out more...
  • *****
  • Posts: 4561
Re: "Baking" old open-reel tapes
« Reply #49 on: February 23, 2021, 02:55:23 PM »
Before and after photos are attached.
Now that's dedication!
Good going!
Could have done a 1000 piece jigsaw, but this is cooler.

 

RSS | Mobile
Page created in 0.039 seconds with 30 queries.
© 2002-2021 Taperssection.com
Powered by SMF