- Country
- United States of America (USA)
- Manufacturer / Brand
- Phillips 66, Petroleum Co.
- Year
- 1946
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 51641
-
- Brand: Woolaroc
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 6
- Main principle
- Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)
- Tuned circuits
- 5 AM circuit(s)
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Line / Batteries (any type) / AC-DC 115 / 90 & 9 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- from Radiomuseum.org
- Model: 3-4A - Phillips 66, Petroleum Co.
- Shape
- Portable set > 8 inch (also usable without mains)
- Notes
- Phillips 66, Model 3-4A provides a battery charging circuit by using an extra 35Z5GT rectifying tube. Neon indicator lamp for charging condition of the batteries.
- External source of data
- Ernst Erb
- Circuit diagram reference
- Rider's Perpetual, Volume 15 = 1947 and before
- Other Models
-
Here you find 36 models, 20 with images and 33 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Phillips 66, Petroleum Co.