• Country
• Australia

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

• Year
• 1935

• Category
• Pre-stage (adaptor for SW/FM/VHF/UHF incl. built-in), Frequency converter

• Radiomuseum.org ID
• 211191

• Main principle
• Superheterodyne (common); ZF/IF 600 or 900 kHz

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Storage and/or dry batteries

• Loudspeaker
• - - No sound reproduction output.

• Material
• Wooden case

• from Radiomuseum.org
• Model: Aristocrat 250 - Electrical Specialty Mfg. Co.

• Shape
• Tablemodel, with any shape - general.

• Notes
• This is a battery short wave converter. Early models used the I.F. of 600 kHz.

• Price in first year of sale
• 13.05 Aus£

• Mentioned in
• Wireless Weekly 19/4/35 P63.

• 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)