• Country
• Australia

• Manufacturer / Brand
• Mullard Radio Company (Australia) Ltd.; Sydney

• Year
• 1948–1953

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 171944

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

• Number of Tubes
• 5

• Valves / Tubes
• 1T4 1R5 1T4 1S5 1Q5GT

• Main principle
• Superhet with RF-stage; ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 5 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: MBS-1050 - Mullard Radio Company

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 13 x 12 x 5 inch / 330 x 305 x 127 mm

• Notes

• MODEL: MBS1050

  Features: 5V, B/C 6" speaker; operation from either internal or external dry batteries; untuned R.F. stage; anodised alumunium case (bakelite end caps); overall size 13" x 9½" x 5½"; weighs 15 lbs; dial shutter operates main on/off switch; extension leads for external batteries inside case; hinged back for battery changing and service.

  Retail selling price: £29/19/6.

  Battery types used:

  • (A) 1 x 745 (Eveready) or 3745 (Diamond)
  • (B) 2 x 482 (Eveready) or 3482 (Diamond)

  See also Philips version, Radioplayer Model 111.

• Net weight (2.2 lb = 1 kg)
• 4 kg / 8 lb 13 oz (8.811 lb)

• Price in first year of sale
• 29.95 AUS £

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

• Mentioned in
• Radio Electrical WEEKLY (Radio Electrical Weekly, Vol. 27, No. 27 (628th Issue), 29/10/1948, Portables Supplement.)

• Literature/Schematics (1)
• - - Manufacturers Literature (Mullard Master Radio Service Data.)

• Literature/Schematics (2)
• Australian Official Radio Service Manual AORSM (Volume 7, 1949, Page 258.)

• Author
• Model page created by Aglef Tröger. See "Data change" for further contributors.

• Other Models

• Here you find 125 models, 55 with images and 47 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mullard Radio Company (Australia) Ltd.; Sydney