With [Frank Olson]’s work on a 1958 Ampex 601 tape recorder though we were pleasantly surprised, because while he makes a modification to allow its use as a stand-alone microphone preamplifier ...

Standard tape recording formats for 1/4-inch analog tape as used by the Ampex Corporation. Dimensions listed are in mils. DIGITAL RECORDING also uses magnetic tape as a storage medium, such as digital ...

"The Ampex tape, which includes seven minutes of audio, features four unreleased demo recordings by The Jimi Hendrix ...

Invented by Ampex in 1956, helical scan was the only method that was fast enough to record video in real time. Using two-inch tape and running at 15 ips, the going rate for tape recorders of the ...