- Country
- United States of America (USA)
- Manufacturer / Brand
- Philco, Philadelphia Stg. Batt. Co.; USA
- Year
- 1928
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 51023
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 7
- Main principle
- TRF without regeneration; Neutrodyne
- Wave bands
- Broadcast only (MW).
- Power type and voltage
- Alternating Current supply (AC) / 110 Volt
- Loudspeaker
- - For headphones or amp.
- Material
- Metal case
- from Radiomuseum.org
- Model: 522 - Philco, Philadelphia Stg. Batt
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Notes
- Model 522 was part of Philco's first family of radio receivers introduced in 1928. It has a common chassis with all other 1928 Philco radio models. Model 522 is similar to model 512 with Mandarin red cabinet, but has a power supply designed for 110 V 25/30/40 cycles AC. One dial (primary tuning control knob).
- Price in first year of sale
- 135.00 $
- External source of data
- Ernst Erb
- Source of data
- Radio Collector`s Guide 1921-1932
- Circuit diagram reference
- Rider's Perpetual, Volume 8 = 1937 and before
- Literature/Schematics (1)
- Philco Radio 1928-1942
- Other Models
-
Here you find 4015 models, 2210 with images and 3663 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA