• Country
• Netherlands

• Manufacturer / Brand
• Philips; Eindhoven (tubes international!); Miniwatt

• Year
• 1928–1931

• Category
• Power supply/conditioner or battery or charger 

• Radiomuseum.org ID
• 7452

• Number of Tubes
• 1

• Valves / Tubes
• 506

• Wave bands
• - without

• Details
• Power: B-Battery Eliminator

• Power type and voltage
• Alternating Current supply (AC) / 225 Volt

• Loudspeaker
• - - No sound reproduction output.

• Material
• Various materials

• from Radiomuseum.org
• Model: High Tension Supply Unit / Anodenspannungsapparat 3009 - Philips; Eindhoven tubes

• Shape
• Tablemodel, with any shape - general.

• Dimensions (WHD)
• 140 x 180 x 230 mm / 5.5 x 7.1 x 9.1 inch

• Notes
• Wechselstrom Netzanode, 4 Anodenspannungen und 3 regelbare negative Gittervorspannungen. U_max: 200 V, I_max: 40 mA.

• Source of data
• Radiokatalog Band 1, Ernst Erb

• Literature/Schematics (1)
• Molnár János: Anódpótlók, Budapest in 1929.

• Other Models

• Here you find 5233 models, 4365 with images and 3445 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt