• Country
• Great Britain (UK)

• Manufacturer / Brand
• HMV (Brand), His Masters Voice, The Gramophone Company Ltd.; Middlesex

• Year
• 1931

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 17857

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

• Number of Tubes
• 10

• Valves / Tubes
• MS4 MHL4 MS4 MS4 MS4 ML4 ML4 PX4 PX4 U8

• Main principle
• Superhet with RF-stage; ZF/IF 125.2 kHz; Screengrid 1926-1935

• Tuned circuits
• 5 AM circuit(s)

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

• Details
• Changer (Record changer)

• Power type and voltage
• Alternating Current supply (AC) / 95 - 260 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 531 - HMV Brand, His Masters Voice,

• Notes
• Mains supply voltage doe MVH 531: 95-102 / 103-110 / 111-118 / 119-127 / 128-136 / 137-145 / 146-155 / 156-164 / 190-205 / 206-222 / 223-240 / 241-260.

• External source of data
• E. Erb 3-907007-36-0

• Circuit diagram reference
• Die «Thali Schemasammlung» führt das Modell.

Article in Wireless World, February 10th, 1932

427 KB

• Documents regarding this model

• Other Models

• Here you find 424 models, 334 with images and 242 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from HMV (Brand), His Masters Voice, The Gramophone Company Ltd.; Middlesex