• Country
• Great Britain (UK)

• Manufacturer / Brand
• Racal Engineering / Instruments / Electronics Ltd., Bracknell

• Year
• 1965 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 201567

• Number of Tubes
• 16

• Valves / Tubes
• EC1000 E180F E180F E180F 12AT7 or CV455 6AL5 or CV140 12AT7 or CV455 6AL5 or CV140 6AM6 or CV138 6AM6 or CV138 6BR7 or CV2135 6U8 EL86 EL86 6AM6 or CV138 CV286 unknown_Tube

• Number of Transistors
• 9

• Semiconductors
• OC35 BFY90 OA91 OA91 BA110 BZY88

• Wave bands
• Wave Bands given in the notes.

• Power type and voltage
• Alternating Current supply (AC) / 100-130; 200-250 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Metal case

• from Radiomuseum.org
• Model: Modulation Meter 409 - Racal Engineering /

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 431 x 321 x 279 mm / 17 x 12.6 x 11 inch

• Notes
• Racal Instruments Modulation Meter 409;
  FM: 3 - 1.500 MHz, 6 deviation ranges, AM: 3 - 1.200 MHz, 8 band oscillator up to 600 MHz, 120 VA.

• Net weight (2.2 lb = 1 kg)
• 14 kg / 30 lb 13.4 oz (30.837 lb)

• Mentioned in
• -- Original-techn. papers.

• Author
• Model page created by a member from A. See "Data change" for further contributors.

• Other Models

• Here you find 113 models, 62 with images and 18 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Racal Engineering / Instruments / Electronics Ltd., Bracknell