• Country
• Australia

• Manufacturer / Brand
• Operatic (brand), Bland Radio Pty. Ltd.: Adelaide SA

• Year
• 1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 188388

• • Brand: Operatic

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1T4 1S5 3S4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Dry Batteries / 67.5 & 1.5 or 90 & 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm

• from Radiomuseum.org
• Model: Operatic 70M - Operatic brand, Bland Radio

• Shape
• Tablemodel, with any shape - general.

• Notes
• This model can be operated with internal batteries (67.5 & 1.5V) or external batteries (90 & 1.5V).

• Circuit diagram reference
• Australian Official Radio Service Manual Vol. VII

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

• Other Models

• Here you find 119 models, 67 with images and 9 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Operatic (brand), Bland Radio Pty. Ltd.: Adelaide SA