• Country
• Great Britain (UK)

• Manufacturer / Brand
• Romac Radio Corporation, Ltd.; London

• Year
• 1948

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 134280

• • alternative name: Romac USA

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 or DK91 1T4 or DF91 1S5 or DAF91 3S4 or DL92

• Main principle
• Superheterodyne (common); ZF/IF 465 kHz

• Tuned circuits
• 4 AM circuit(s)

• Wave bands
• Broadcast and Short Wave (SW).

• Power type and voltage
• Dry Batteries / 67.5 1.5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.5 inch = 6.4 cm

• Material
• Metal case

• from Radiomuseum.org
• Model: Olympic 136S - Romac Radio Corporation, Ltd.;

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

• Dimensions (WHD)
• 240 x 120 x 50 mm / 9.4 x 4.7 x 2 inch

• Notes

• Knobs are spring fitted.
  Same case for 106(1946), 126(1947), 136L(1948), 136S(1948), 236L(1949) and 236S(1949), except the 106 has a different grill. The case has a hole for the wavechange on the 136 and 236 models. The S versions (LW instead of SW) have the turns of the loop aerial in parallel and usually have an aerial and earth socket under the grill.

• Source of data
• Radio! Radio!

• Literature/Schematics (1)
• "Traders" Service Sheet 940

• Author
• Model page created by Konrad Birkner † 12.08.2014. See "Data change" for further contributors.

• Other Models

• Here you find 9 models, 8 with images and 8 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Romac Radio Corporation, Ltd.; London