700 12 Volt

• Country
• Great Britain (UK)

• Manufacturer / Brand
• Masteradio, London

• Year
• 1952

• Category
• Car Radio, perhaps also + sound player/recorder

• Radiomuseum.org ID
• 113512

• Picture
• Schematics

Previous Next

Previous Next

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

• Number of Tubes
• 4

• Valves / Tubes
• 12A6 6Q7 6K8 6K7G

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

• Tuned circuits
• 6 AM circuit(s)

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

• Power type and voltage
• Storage Battery for all (e.g. for car radios and amateur radios) / 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 12 cm = 4.7 inch

• Material
• Metal case

• from Radiomuseum.org
• Model: 700 [12 Volt] - Masteradio, London

• Dimensions (WHD)
• 165 x 120 x 240 mm / 6.5 x 4.7 x 9.4 inch

• Notes
• Synchronous vibrator for H.T.(+B). Power unit normally set for positive earthed system, it can easily be adapted for negative earthed systems by just reversing connecting leads C28 C29 and rotating vibrator 180 degrees in its socket. There is also a 6 Volt version and a model 701 with external speaker.

• Source of data
• - - Data from my own collection

• Literature/Schematics (1)
• Traders

• Author
• Model page created by Jürgen Bauch. See "Data change" for further contributors.

• Other Models

• Here you find 89 models, 53 with images and 55 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Masteradio, London