• Country
• Australia

• Manufacturer / Brand
• Amalgamated Wireless (Australasia) Ltd. (AWA); Sydney

• Year
• 1972 ?

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 284053

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Transistors
• 62

• Semiconductors
• 2N3694 2N3694 2N3694 2N3694 2N3694 2N3694 2N3694 AY8115 2N3053 2N3053 2N3643 MPS6518 MPS6518 2N2614 2N2614 2N2614 2N2614 2N4249 2N4249 2N4249 2N4249 2N5322 2N5322 2N4250 2N3565 2N3565 2N3565 2N3565 2N3565 2N3565 2N3565 2N3565 2N3565 2N3565 2N1309 2N1309 2N1308 2N1308 2N3638 2N3638 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121 2N4121

• Power type and voltage
• Line plus power jack, mostly with battery or storage battery / AC 100-140; 200-280 / DC 22-53 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Material
• Metal case

• from Radiomuseum.org
• Model: Transmission Measuring set A220 4A94730 - Amalgamated Wireless

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Notes

• The AWA Transmission Measuring Set A220, Type 4A94730 is an accurate and highly stable portable instrument for the evaluation of a voice frequency telephone channel and FDM systems.

  It incorporates a level generator, wide band level meter, high impedance millivolt meter, telephone psophometer, amplitude modulation monitor, selective level meter and wave analyser.

  It can be powered by -50VDC, a in-built 12V battery or AC mains power.

• Mentioned in
• - - Manufacturers Literature

• Author
• Model page created by Gary Cowans. See "Data change" for further contributors.

• Other Models

• Here you find 1430 models, 873 with images and 463 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Amalgamated Wireless (Australasia) Ltd. (AWA); Sydney