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NAB MAGNETIC TAPE RECORDING AND REPRODUCING STANDARDS …
https://www.richardhess.com/tape/history/NAB/NAB_Reel_Tape_Standard_1965_searchable.pdf#:~:text=It%20shall%20be%20standard%20that%20magnetic%20tape%20width,tape%20shall%20not%20exceed%200.0022%20inches.%201.03%20Length.
Nortronics Magnetic Tape Heads Specifications
http://lcweb2.loc.gov/master/mbrs/recording_preservation/manuals/Nortraonics%20Magnetic%20Tape%20Heads%20Specifications.pdf
MAGNETIC TAPE HEAD SPECIFICATIONS NORTRONI€S COMPANY/INC. ... NORTRONICS, the chief exponent and largest manufacturer of audio, instrumentation and digital heads, offers a complete line of heads ... head for a 2-track stereo head to bring the recorder up to date, or substituting a Full-track monophonic head for a 2-track monophonic ...
NAB MAGNETIC TAPE RECORDING AND REPRODUCING …
https://www.richardhess.com/tape/history/NAB/NAB_Reel_Tape_Standard_1965_searchable.pdf
for the tape under test. Magnetic Track Designations 1.07 It shall be standard that in multitrack recordings, Track One shall be the top track when the tape is moving from left to right with the coated side facing away from the observer and with the leader to the right. The next lower track is designated Track Two, and so on.
Magnetic Tape for Audio | Museum of Obsolete Media
https://obsoletemedia.org/audio/magnetic-tape/
The most common reel sizes were 7, 5 and 3-inches in diameter. BASF Tape Letter (early 1960s – early 1970s) Scotch One Five Special (1960s) EMI Voice Letter (1960s) Quadraphonic open reel tape (Q4) (1969 – mid 1970s) DASH (Digital Audio Stationary Head) (1982 – mid-1990s) Was available in ¼-inch, ½-inch and 1-inch widths.
MAGNETIC TAPE RECORDER AND REPRODUCER STANDARDS
http://www.irig106.org/docs/106-09/chapter6.pdf
Double-density recording: Direct, FM, or PCM recording on magnetic tape at bandwidths equal to those used in wide-band instrumentation recording, but at one-half the wide-band tape speeds specified in IRIG standard 106-80 and earlier telemetry standards.
Digital Audio Standards - Audio Engineering Society
https://www.aes.org/aeshc/docs/aeshist/standards.hist/digital.standards/jaes26-1.pdf
audio frequency response required and what is economical to achieve in the anti-aliasing filter. If 20 kHz is chosen as the upper audio band edge and a filter with a sharp cutoff is used, it is possible to have a minimum sampling frequency of 45 kHz. If the recorder must have a +lo% speed change and the standard sampling frequency is 50 kHz,
Chapter 11. Magnetic Tape Drives.
http://www.lintech.org/comp-per/11MAGTAP.pdf
perpendicularly across the width of the tape to access a new track. Each track is written sequentially resulting in a serpentine pattern as can be seen in Figure 12.1. QIC defines a number of standards, differing in capacity, as can be seen in Table 2. Table 2. QIC tape standards. QIC-24 QIC-150 QIC-525 QIC-1350
-Track Configurations – Richard L Hess—Audio Tape ...
https://richardhess.com/notes/formats/magnetic-media/magnetic-tapes/analog-audio/track-configurations/
The super dense Tascam and Fostex formats that put 8T on 1/4″ tape and 16T on 1/2″ tape have a track width of about 17 mils. John Chester recently asked the track dimensions for half-inch, two-track and between the IASA document and a set of Woelke heads for the Sony APR-5000 that I have here that there might be a discrepancy among various two-track, half-inch configurations.
Storage of Magnetic Tape (Audio and Video) Recordings ...
https://stashc.com/the-publication/environment/storage-of-magnetic-tape-audio-and-video-recordings/
Storage conditions must be uniform in both temperature and humidity. Storage temperatures should be maintained at 68ºF with a relative humidity between 38% – 42% (ideally 40%). The storage area should be free of dust and stray magnetic fields. Any stray magnetic field with a flux density of 5 gauss or greater should be considered a potential problem.
Flux Magnetics Tape Heads | ATR Services
https://atrservice.com/products/tape-head-sales-reconditioning/
ERP – Mono – “Full Track” ERP – 2-Track NAB Stereo – “Half Track” P – Bidirectional Stereo – “Quarter Track” P – Slow Speed Optimized Half-Inch ERP – 2-Track Stereo – Mastering Standard Series* P – 2-Track Stereo – Mastering Extended Series** (Currently Unavailable) P – 3-Track – “Left, Right, Center” P – 4-Track
Magnetic Reference Laboratory (MRL) manufactures and …
More Information on Analog Magnetic Tape Recording About MRL. Magnetic Reference Laboratory (MRL) makes and sells Calibration Tapes (what is a "Calibration Tape"?) for analog audio magnetic tape reproducers in the Open Reel format. We no longer make Calibration Tapes in the Broadcast Cartridge format – lube tape and carts are no longer available.
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