Tone Tester SE 84
Marconi Wireless Telegraph Co. of America
- Country
- United States of America (USA)
- Manufacturer / Brand
- Marconi Wireless Telegraph Co. of America
- Year
- 1918/1919
- Category
- Detector-Radio (Crystal or diode, without tubes/transistors)
- Radiomuseum.org ID
- 303906
-
- alternative name: American Marconi || Marconi, American
- Brand: Marconiphone
Collection privée (réf.: 693, 694)
Collection privée (réf.: 693, 694)
Collection privée (réf.: 693, 694)
Collection privée (réf.: 694)
- Main principle
- Crystal or Solid State Detector
- Wave bands
- Wave Bands given in the notes.
- Power type and voltage
- No Power needed
- Loudspeaker
- - For headphones or amp.
- Material
- Metal case
- from Radiomuseum.org
- Model: Tone Tester SE 84 - Marconi Wireless Telegraph Co.
- Shape
- Tablemodel, with any shape - general.
- Dimensions (WHD)
- 120 x 200 x 12 mm / 4.7 x 7.9 x 0.5 inch
- Notes
-
Type SE 84 Tone Tester crystal set. This was made for the Navy by Marconi Wireless Telegraph Co of America in 1918-1919 for spark gap transmitter operators to monitor the tone of their transmissions. These were built for the Navy by several other manufacturers. See also the Lowenstein Tone Tester and the Kilbourne & Clark Tone Tester.
Tap switch was tuned to 300, 600 or 900 meters to allow the operators to hear and verify the tone produced by the quenched or rotary spark gap.
- Net weight (2.2 lb = 1 kg)
- 1.7 kg / 3 lb 11.9 oz (3.744 lb)
- Author
- Model page created by Musée des Radios Museum. See "Data change" for further contributors.
- Other Models
-
Here you find 31 models, 31 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Marconi Wireless Telegraph Co. of America
Collections
The model Tone Tester is part of the collections of the following members.