• Country
• Great Britain (UK)

• Manufacturer / Brand
• Radio Instruments Ltd. & Aeronautical & General Instruments, Ltd.; London

• Year
• 1934 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 352548

• Number of Tubes
• 5

• Valves / Tubes
• AC/TP VP4 AC/HL Pen4VA IW3

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Alternating Current supply (AC)

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: Ritz Superhet - Radio Instruments Ltd. &

• Shape
• Tablemodel, high profile (upright - NOT Cathedral nor decorative).

• Notes

• 5-valve, AC-powered superhet receiver.

  A similar chassis was used in the Ritz Airflo.

• Author
• Model page created by Wilhelm Siepe. See "Data change" for further contributors.

• Other Models

• Here you find 49 models, 43 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Radio Instruments Ltd. & Aeronautical & General Instruments, Ltd.; London