1/2" 2-track format, with Flux Magnetics metal repro head and EMC erase and record heads. 
  1/4" 2-track format, with Ampex ferrite heads.
  1/4" 1/4-track format with Flux Magnetics metal repro head
  1/4" Full-track format with Flux Magnetics metal repro head
  30, 15, 7.5, and 3.75 ips
  Cine or NAB reel format
  NAB, CCIR, and AES deemphasis
  VU bridge, or direct, interconnections
  ATR Service VS-20 vari-speed oscillator                                             
 
  Studer A 80 R VU
 
  1/4" 2-track format, Studer metal heads
  15 and 7.5 ips
  Cine or NAB reel format
  NAB and CCIR deemphasis
  VU bridge, or direct, interconnection
  from renown Jewel Recording Studios
  Dolby 363 frame, with Cat. 300 Dolby A / Dolby SR cards
  dbx 180 Type I noise reduction