• Country
• United States of America (USA)

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

• Year
• 1932/1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 50466

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

• Number of Tubes
• 11

• Valves / Tubes
• 44 44 37 44 44 37 37 37 42 42 80

• Main principle
• Superhet with RF-stage; ZF/IF 175 kHz; 3 AF stage(s)

• Tuned circuits
• 8 AM circuit(s)

• Wave bands
• Broadcast only (MW).

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

• Loudspeaker
• 2 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: 15 DX - Philco, Philadelphia Stg. Batt

• Shape
• Console with any shape - in general

• Dimensions (WHD)
• 30 x 47 x 0 inch / 762 x 1194 x 0 mm

• Notes

• Model 15 was offered in two types of console cabinets: model 15X, a floor model with inclined sounding board, and the very similar 15DX, which has tambour doors. Those models have a 4 gang variable condenser (band filter entry), a tuning indicator (shadow meter) and push-pull output. Detector recitfier, triode 37, is used as a diode (anode on ground). The AVC negative voltage is fed over R40 and R28 to bias the grid of 1st IF and via R17 and coil 19 the 1st detector and through R9 the RF stage bias.

• Price in first year of sale
• 250.00 $

• External source of data
• Ernst Erb

• Source of data
• Radio Collector`s Guide 1921-1932

• Circuit diagram reference
• Rider's Perpetual, Volume 3 = 1933 and before

• Mentioned in
• Collector's Guide to Antique Radios 4. Edition

• Literature/Schematics (1)
• Philco Radio 1928-1942

• Literature/Schematics (2)
• Pre-War Consoles

• Literature/Schematics (3)
• Philco Folder Form. 2952.

• Other Models

• Here you find 4041 models, 2217 with images and 3690 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA