• Country
• United States of America (USA)

• Manufacturer / Brand
• Philco, Philadelphia Stg. Batt. Co.; USA

• Year
• 1931/1932

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 18812

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

• Number of Tubes
• 7

• Valves / Tubes
• unknown_Tube 24 24 24 27 24 47 80

• Main principle
• Superhet with RF-stage; ZF/IF 260 kHz

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Alternating Current supply (AC) / 115 Volt

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

• Material
• Wooden case

• from Radiomuseum.org
• Model: 70B Baby Grand - Philco, Philadelphia Stg. Batt

• Shape
• Table-Cathedral-Type (upright, round top or gothic arch, not rounded edges only).

• Dimensions (WHD)
• 16.5 x 18 x 10 inch / 419 x 457 x 254 mm

• Notes

• [3331434, 373146] Model 70 is for 50-60 Hz power; model 70A is for 25-60Hz power. Difference between model 70B and these models is not yet clear. Model 70 (and perhaps also 70A and 70B) was available in cathedral, highboy, and lowboy cabinets.

• Price in first year of sale
• 597.00 SFR

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

• Literature/Schematics (3)
• Philco Folder 2674.

• Other Models

• Here you find 4225 models, 2246 with images and 3871 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA