• Country
• United States of America (USA)

• Manufacturer / Brand
• Tektronix; Portland, OR

• Year
• 1963–1968 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 78828

• Number of Tubes
• 13

• Valves / Tubes
• 6AU6 6AU6 6AU6 6AU6 6BA8A 6BA8A 6AU6 6AU6 6AU6 6AU6 6DJ8 6DJ8 6DJ8

• Power type and voltage
• Powered by external power supply or a main unit.

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Type 3A72 Plug-In-Unit 3A72 - Tektronix; Portland, OR

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 110 x 160 x 370 mm / 4.3 x 6.3 x 14.6 inch

• Notes
• Plug-In for Tektronix-Oscilloscopes Type 565 or Type 561; order of tubes according to partslist at manual; See also Tektronix Dual Beam Oscilloscope 565

• Net weight (2.2 lb = 1 kg)
• 2.3 kg / 5 lb 1.1 oz (5.066 lb)

• Source of data
• -- Original-techn. papers.

• Author
• Model page created by Arndt Markus Hettche. See "Data change" for further contributors.

• Other Models

• Here you find 386 models, 374 with images and 92 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Tektronix; Portland, OR