• Country
• Australia

• Manufacturer / Brand
• Electrical Specialty Mfg. Co. Ltd. (ESM)

• Year
• 1934

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 164312

• Number of Tubes
• 6

• Valves / Tubes

• Main principle
• Superheterodyne (common); ZF/IF 175 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• AC/DC-set / 160 - 270 Volt

• Loudspeaker
• Electro Magnetic Dynamic LS (moving-coil with field excitation coil)

• Material
• Wooden case

• from Radiomuseum.org
• Model: 22 - Electrical Specialty Mfg. Co.

• Shape
• Console, Lowboy (legs < 50 %).

• Notes
• Later versions used an I.F. of 210 kHz.

• Mentioned in
• Mingay's "Radio Diagram & I.F. Index".

• Literature/Schematics (1)
• "Wireless Weekly" 23/3/34 P48.

• Author
• Model page created by Stuart Irwin. See "Data change" for further contributors.

• Other Models

• Here you find 63 models, 19 with images and 15 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Electrical Specialty Mfg. Co. Ltd. (ESM)