Struggling to find information on DC bias for a magnetic tape recording head. Anyone have any ideas?

I’ve found countless schematics for AC bias, which is preferable, but I’m looking for a simple solution using DC since I’m not looking for high fidelity. All I could find in patents says 5v, but I have no idea how much current, or where to introduce the bias, or any schematics. Thank you

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πŸ‘€︎ u/choamnomskee
πŸ“…︎ Jul 09 2021
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Do you enjoy using noise reduction systems when recording or playing magnetic tape?
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πŸ‘€︎ u/m4ddok
πŸ“…︎ Apr 26 2021
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Goodhertz "Tupe" vacuum tube amplification & magnetic tape recording - Preorder Price ($79) until release this month goodhertz.co/tupe/
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πŸ‘€︎ u/Batwaffel
πŸ“…︎ Feb 09 2021
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BASF Magnetic Recording Tape - 10 boxed and sealed reel-to-reels stamped Dec 5, 1972. Any idea how rare this is or what it's worth? Any input is apprciated! :) reddit.com/gallery/k52vkr
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πŸ‘€︎ u/ReelyCurious
πŸ“…︎ Dec 02 2020
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Up to 10x capacity: New material and recording process vastly improves magnetic tape storage designfax.net/cms/dfx/ope…
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πŸ‘€︎ u/GRBoomer
πŸ“…︎ Oct 21 2020
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Does anyone know of anyone that works on older record players? (I have checked with Magnetic Tape and they can't work on them)
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πŸ‘€︎ u/Soundvo1ume
πŸ“…︎ Nov 10 2021
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TIL Bing Crosby was the first performer to regularly use pre-recorded material, rather than do it live. Jack Mullin had acquired a German invention while in the U.S. Army during World War II, the "magnetophon", which used magnetic tape to record audio; and Crosby paid Mullin $50k to commercialize it audioacademy.in/recording…
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πŸ‘€︎ u/SojourningCPA
πŸ“…︎ Oct 19 2021
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TIL there were so many overdubs during the recording of "Bohemian Rhapsody" that the magnetic tape used to record the song became virtually transparent. guitarworld.com/100-great…
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πŸ‘€︎ u/BP0413
πŸ“…︎ Mar 11 2016
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ELI5: How do DAT recorders work and how can a digital recording be recorded on magnetic tape?
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πŸ“…︎ May 08 2019
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Doctor recording vaccinated patients as 'magnetic' in clinic notes rnz.co.nz/news/national/4…
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πŸ‘€︎ u/DontLikeLevel3
πŸ“…︎ Jan 13 2022
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Last night, recording on magnetic tapes v.redd.it/f2p90qfeh2r21
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πŸ‘€︎ u/Bohrcraft
πŸ“…︎ Apr 08 2019
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ELI5 how 8-track tape recorders are still in use on the Voyagers 1 and 2 after 41 years. Don't tapes wear out or demagnetize over time? And if tape recordings are magnetic, how does that work in space? Do magnets work in space as you get farther away from celestial bodies?

Here's the article. I found a little information but it just led to more questions. Thanks for reading and replying.

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πŸ‘€︎ u/andyat201
πŸ“…︎ Jul 03 2018
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Do VHS tapes still have all the information they had just after recording, but normal ways to measure the magnetic fields are not enough anymore?

Time ruins VHS tapes, making the picture look blurry / fuzzy. But if the magnetic fields get measured with greater precision and resolution than originally intended, can a software reconstruct original quality video? The tape reading can happen in 10% or 1% speed.

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πŸ‘€︎ u/herkato5
πŸ“…︎ Jun 17 2017
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[1979] The New Sound of Music - Fascinating BBC documentary. It charts the development of recorded music from the first barrel organs, the phonograph, the magnetic tape recorder and onto the concepts of musique concrΓ¨te and electronic music development. Presented by Michael Rodd. youtube.com/watch?v=dUTdu…
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πŸ‘€︎ u/TwoForTheMorgue
πŸ“…︎ Sep 08 2021
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IBM Achieves the World’s Highest Areal Recording Density for Magnetic Tape Storage youtube.com/watch?v=Wm1Ji…
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πŸ‘€︎ u/It_Is1-24PM
πŸ“…︎ Aug 02 2017
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Magnetic Vines improvisation... working on a new record of all outdoor recordings! v.redd.it/tj3b69ug3h681
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πŸ‘€︎ u/rooftoprevival
πŸ“…︎ Dec 19 2021
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My very awesome girlfriend made this for me for Xmas. The cards, sigils and map events are magnetic and so are the cards (magnetic tape inside) so they stick to the board and cards. In the process of getting the items done. I'm so stoked! reddit.com/gallery/ro01el
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πŸ‘€︎ u/AndynJac
πŸ“…︎ Dec 25 2021
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IBM Achieves the World’s Highest Areal Recording Density for Magnetic Tape Storage youtu.be/Wm1JiI6CppU?t=8
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πŸ‘€︎ u/Gahzoontight
πŸ“…︎ Jan 23 2018
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Woman holding a spool of magnetic tape used for data storage on early model desktop computer, 1970s
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πŸ‘€︎ u/eaglemaxie
πŸ“…︎ Jan 07 2022
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I found this inside an old server, it is a magnetic tape reader, right? Is it still useful or it is too legacy to be useful nowadays? Thanks imgur.com/a/0MZEc4G
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πŸ‘€︎ u/Issey_ita
πŸ“…︎ Dec 01 2021
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Secured magnetic tape cassette (SMC) related critical bug?

When playing as a Scav in Customs, I was given a Secured magnetic tape cassette (SMC) at spawn,,,

This item was new to me, so I double-clicked (to inspect), and the background suddenly turned into a bird's eye view of customs - almost like a uav footage (these two images are screenshots taken with different game time & location)

https://ibb.co/JrNJ5Pw

https://ibb.co/FWJP25W

The interesting is that:

  1. the corpse seen in the bottom of footage was 'there' when i visited the old construction site

  2. there was a player running across the map (the footage was video, almost like real-time)

So... I'm wondering what it was - It almost felt like hacking (and of course i don't use hacks at all)

Has anyone experienced something like this?? This looks like a groundbreaking bug to me.

Any suggestion is welcome, thx in advance :D

+ Sorry for bad English

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πŸ‘€︎ u/ChanheeJeong
πŸ“…︎ Dec 26 2021
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Restore old magnetic tape recording?

I was capturing old home video using a vhs capture card. The video seems to be in pretty bad shape, with rainbow and horizontal distortions. The original was Hi8 video. Are there any programs or filters that can reduce the severity of these problems? Here is a screenshot to show the type of damage:

http://imgur.com/juLc1Hi

Edit: Also, does anyone know how to fix audio?

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πŸ‘€︎ u/glorygeek
πŸ“…︎ Feb 20 2015
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TIL that the first system marketed as a word processor was a 1964 IBM electric typewriter with integrated magnetic tape recording and playback facilities. en.wikipedia.org/wiki/IBM…
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πŸ‘€︎ u/notbob1959
πŸ“…︎ Jun 28 2015
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Modular terrain with magnetic tape. Looks good in game session and on the fridge!:D reddit.com/gallery/rqhh0c
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πŸ‘€︎ u/Saekifa
πŸ“…︎ Dec 28 2021
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I have a few cassettes that gets stuck all the time. Attaching video for reference. I was told that they need to be lubricated for the fix. Could someone please suggest some agents that can be used as a lubricant and wouldn’t hurt the magnetic tape? v.redd.it/1jxahpxkwy481
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πŸ“…︎ Dec 11 2021
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Secured magnetic tape cassette price?

Hey guys. So I looted this this morning and cant seem to find any on the market and havent seen any sold according to tarkov-market.com. Anyone have any idea what I should ask for it? Looks like I can put it up for sale. Thanks in advance.

https://imgur.com/KKkFBw6

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πŸ‘€︎ u/Subvert001
πŸ“…︎ Dec 26 2021
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I finally found one in the wild while shopping today! Magnetic Tape Review (This Bee Pretty Lousey)
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πŸ‘€︎ u/DaniDoll99
πŸ“…︎ Jan 07 2022
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Very cool: "Participants wear a special glove that contains an embedded tape head, and can interactively explore the recordings that are on the magnetic tape attached to the installation." synthgear.com/2010/music-…
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πŸ‘€︎ u/mactac
πŸ“…︎ Mar 11 2010
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"Loader" Used To Load Empty Audio Cassette Shell With Magnetic Tape To The Correct Duration Of The Music. v.redd.it/x2765ns5wik71
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πŸ‘€︎ u/milehighideas
πŸ“…︎ Aug 30 2021
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What is the most unsettling voice recording (911 tape/black box/paranormal/etc) that you have ever heard?
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πŸ‘€︎ u/ecks-wye-zee
πŸ“…︎ Nov 12 2021
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TIL despite playing ~2,350 live concerts over 30 years, there exists some form of a live recording of every Grateful Dead show except one: March 17, 1970. A reward is offered to anyone who can procure the lost tape. wkbw.com/news/do-you-have…
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πŸ‘€︎ u/abxuwnnm111
πŸ“…︎ Oct 21 2021
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Tape to tape or Magnetic?

Which superstar ability do you guys like more? If I go with tape to tape I will bump up my offensive awareness more. If I go with magnetic I will bump up my passing more. Let me know what you guys think please

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πŸ‘€︎ u/TheTbomber5
πŸ“…︎ Dec 17 2021
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It seems to be holding humidity pretty well, I had a roll of electrical tape handy so I just put a few strips around the doors until I go get some caulking and magnetic strips
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πŸ‘€︎ u/HitBongsNotPpl
πŸ“…︎ Dec 23 2021
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If CD's Weren't Invented, How Fast Would Magnetic Tape Technology Advance?

I am currently working on a "Cassette Futurism" (a derivative of cyberpunk) type world, in which the LaserDisc was even more of a failure, and thus CD technology never got off the ground. They would then be using magnetic tape for many more years. How fast do you think magnetic tape technology would advance from then until the early-mid 2000s setting of my world?

Just to give you an idea of how unlimited the storage capacity on magnetic tape is, Sony announced in 2014 that they had developed a tape with a storage space of 23 GB/cm2. That's potentially over 180TB on one cassette!

IBM announced in 2020 that they had technology using strontium ferrite that could lead to over 500TB on a single tape! Obviously these kinds of advanced tapes would never be available to the masses in reality. However it does make you think.

The 240MB "Superdisc" floppy disk was invented in 1997, and Zip drives could hold 750MB.

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πŸ‘€︎ u/Bruja51
πŸ“…︎ Nov 05 2021
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Looking for the raw recordings of the betty and barney hill tapes

As the title says, anyone know where I can dowload a wav file or such?

Thanks!

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πŸ‘€︎ u/intergalactictroy
πŸ“…︎ Jan 03 2022
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