ANALOG TAPES — 2 15 IPS (IEC) & 30 IPS(AES) MRL Two-Speed 250 nwb (+3) Three Frequency 11 Min. Calibration Tape

1982 Tape Recording Guide, PDF, Compact Cassette

HiFi Stereo Review 1984 Tape Recording Guide, PDF, Compact Cassette

ANALOG TAPES — Products

Multifrequency Calibration Tape, ¼″, 15 ips (38.1 cm/s), 250 nWb/m, IEC 2 (NAB), 12 min., Item no. 76538

Revox B77 Mk II - 15 / 7.5 ips

Ampex MM-1200 16 track 2 Tape Machine with accessories and new tape

ANALOG TAPES — Home

Revox A-77 1977 MK-IV High speed

Choosing and Using MRL Calibration Tapes, PDF, Equalization (Audio)