DAS-75 Digital Tape Recorder

Two Channel (DC to 22 KHz per Channel)
  • 2 to 4 Hour Record and Playback Capability(equivalent to 1.3 to 2.6 G bytes of data)
  • Rewinds 2 Hour Tapes in Just 46 Seconds
  • Greatly Improved DC Stability Over PCM's
  • Third Generation Digital Anti-Alias Filter

The DAS 75 (Digital Audio Tape) instrumentation recorder is a self contained complete system for recording two channels of analog data.

The DAS 75 is a modified Digital Audio Tape Recorder, providing the ideal solution to your laboratory recording needs. The data is digitized with 16-bit resolution on two channels which have a bandwidth to 22 KHz. The sampling rate of 48 KHz and dynamic range of 93 dB offer the exceptional quality only possible with digital processing techniques. The highest caliber recordings are achieved with two hour cassettes, with up to four hour recording times also possible.


Features:

  • Quick Access Tape Loading assisted by high power DC motor.
  • Standard and Long Play Modes offer 2 to 4 hours of recording and playback time on a DT-120 Digital Audio Tape.
  • High Speed Search scans the tape at 200 times normal speed to quickly locate desired tracks.
  • 10-key Direct Access playback to locate desired data from the numerical keypad on the deck or remote control.
  • Timer Activated Recording/Playback
  • User Programmable Sub code Information including automatic and manual Start ID, Skip ID, End ID,Rehearsal Function for determining exact tape position when manually writing a Start ID code and Auto Renumber to sequentially renumber tracks after editing tape.

Specifications:

  • Tape: Digital Audio Tape
  • Recording Head: Rotary Head
  • Recording Time: Standard: 120 minutes (with DT-120)
  • Long-play Mode: 240 minutes (with DT-120)
  • Tape Speed: Standard: 8.15 mm/s; Long-play Mode: 4.075 mm/s
  • Drum Rotation: Standard: Approx. 2,000 rpm; Long-play Mode: Approx. 1,000 rpm
  • Error Correction: Double Read Solomon code
  • Sampling Frequency: 48 KHz, 44.1 KHz, 32 KHz
  • Number Channel: 2 channels
  • D/A Conversion: Standard: 16-bit linear; Long-play Mode: 12-bit non-linear
  • Frequency Response: Standard: DC-22,000 Hz (+/- 5 dB); Long-play Mode: DC-14,500 Hz (+/- 0.5 dB)
  • Signal to Noise Ratio: Standard: more than 93 dB ; Long-play Mode: more than 92 dB
  • Dynamic Range: Standard: more than 93 dB; Long-play Mode: more than 92 dB
  • Total Harmonic Distortion: Standard: less than 0.0045% (@ 1 KHz)
  • Long-play Mode: less than 0.08% (@ 1 KHz)
  • Wow and Flutter: Below measurable limit (+/- 0.001% W.PEAK)
  • Weight: 19 lbs.
  • Dimensions (WHD): 18-1/4" x 4-7/8" x 13-3/4"
  • Analog Input Range: +/- 1, 2, 5, 10 volts, BNC connectors, 50 Kilohm
  • Power: 115 VAC 60Hz 32w

DAS 75 Two channel DC to 22 KHz Digital Data Recorder (115 VAC / 60 Hz Only) Step-up transformer available separately $2,700
DT-120 Consumer Grade 2/4 Hour Digital Audio Tapes (case of 10 tapes) $ 180
PDP-120 Professional Grade 2/4 Hour Digital Audio Tapes (case of 10 tapes) $ 220

To cover handling costs, add $50.00 (Canada and Mexico) and $100.00 (outside of North America).

For 220VAC/50 Hz you will need to supply a stepdown transformer to 115VAC.

Warning: This equipment is not intended for use in human applications or human experimentation.

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Dagan Corporation Minneapolis MN USA 612-827-5959 (FAX 612-827-6535) Email: info@dagan.com 4/4/97