Doublet with ID=102711
United Radio Corporation (Peerless); Rochester NY
- Country
- United States of America (USA)
- Manufacturer / Brand
- United Radio Corporation (Peerless); Rochester NY
- Year
- 9999
- Category
- Loudspeaker, headphone or earphone
- Radiomuseum.org ID
- 222127
- Wave bands
- - without
- Power type and voltage
- No Power needed
- Loudspeaker
- Magnetic loudspeaker (reed) generic. / Ø 20 cm = 7.9 inch
- Material
- Wooden case
- from Radiomuseum.org
- Model: Doublet with ID=102711 - United Radio Corporation
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Dimensions (WHD)
- 235 x 235 x 148 mm / 9.3 x 9.3 x 5.8 inch
- Notes
- Magnetic speaker in wooden cabinet; annular ring of freely flexible inelastic material applied between the paper cone and steel front. Frame as 7-A (in cathedral cabinet model ID=102710); uses also a U-shaped permanent magnet that surrounds an actuating winding driving a piston which connects to the speaker cone. Input impedance about 1450 ohms; suitable for any output from '01A tubes.
- Net weight (2.2 lb = 1 kg)
- 2 kg / 4 lb 6.5 oz (4.405 lb)
- Author
- Model page created by Emilio Focosi. See "Data change" for further contributors.
- Other Models
-
Here you find 7 models, 4 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from United Radio Corporation (Peerless); Rochester NY