312-R circuit 2
Douglas Radioelétrica S.A.; São Paulo
- Country
- Brazil
- Manufacturer / Brand
- Douglas Radioelétrica S.A.; São Paulo
- Year
- 1950 ??
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 281946
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 5
- Main principle
- Superheterodyne (common); ZF/IF 455 kHz
- Wave bands
- Broadcast and Short Wave (SW).
- Power type and voltage
- AC/DC-set / 117 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 inch = 12.7 cm
- from Radiomuseum.org
- Model: 312-R circuit 2 - Douglas Radioelétrica S.A.;
- Notes
-
The model 312 from Douglas Radiioelétrica has 4 distinct versions known in Brazil
312-R circuit 1 = UCH42 converter
312-R circuit 2 = as circuit 1, probably different chassi size
312 circuit 3 = 12BE6 converter
312 circuit 4 = 12K8 converter
All models use Douglas coilpack 312
MW = 540 to 1600 kHz
SW1 = 5.8 to 18 MHzSupplied in kit format Rádio receptor fornecido em kit
- Literature/Schematics (1)
- Manufacturer literature
- Author
- Model page created by Antonio Rabitti. See "Data change" for further contributors.
- Other Models
-
Here you find 69 models, 17 with images and 69 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Douglas Radioelétrica S.A.; São Paulo