Audio Research D 70

Short description[edit]

Space for a few introductory sentences about the device.

Data[edit]

General

  • Manufacturer: Audio Research
  • Model: D 70
  • Years of manufacture: 1970-1980
  • Manufactured in:
  • Color:
  • Dimensions: 19" W x 7" H x 16.5" D
  • Weight: approx 22 kg
  • Original price approx:


Connections

  • list here the connection options, if known.

Specifications

  • Power: 60 watts per channel at continuous (both channels operating) at 16 ohms from 20 Hz. to 20 kHz with less than 1% *THD: (typically less than .005% at one watt).
  • 'Frequency response: 15 Hz. to 30 kHz (-3 dB points) (D-70 MKII)
  • 'Total negative feedback: 20.5 dB (D-70 MKII)
  • 'Damping factor: 15 (D-70 MKII)
  • Distortion distortion: Less than 1% (usually less than .005% @ 1W) (D-70 MKII)
  • Slew Rate: 10 V / μs (D-70 MKII)
  • Power supply energy storage: 140 joules
  • Power supply:
  • Tube complement: D-70: (7) 6922, (2 pairs) 6550, (1) 6550, (1) 12AX7
 D-70 MKII: (3) 6922, (4) 6FQ7, (2 pairs) 6550, (1) 6550, (1) 12AX7

Special Equipment

  • here, if available


Remarks[edit]

Other models of the same series:

Pictures[edit]

audioresearchd701.jpg

Courtesy of audioScope. A use of the pictures by third parties, e.g. in forums or on eBay is not permitted!

Reviews[edit]

Links[edit]