- Country
- Netherlands
- Manufacturer / Brand
- Radio-Holland, Nederlandse Telegraaf Maatschappij; Amsterdam
- Year
- 1941 ??
- Category
- Commercial Receiver (may include amateur bands)
- Radiomuseum.org ID
- 218069
- Number of Tubes
- 4
- Main principle
- TRF with regeneration
- Tuned circuits
- 10 AM circuit(s)
- Wave bands
- Wave Bands given in the notes.
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 10 cm = 3.9 inch
- Power out
- 4 W (unknown quality)
- Material
- Metal case
- from Radiomuseum.org
- Model: H3L7UA - Radio-Holland, Nederlandse
- Shape
- Boatanchor (heavy military or commercial set >20 kg).
- Dimensions (WHD)
- 470 x 250 x 230 mm / 18.5 x 9.8 x 9.1 inch
- Notes
- Maritime communication receiver. The band selection is done by a circular drum. Reception covers 15kHz to 21MHz. Band numbered 1 to 10 : 15-46, 46-135, 135-400, 400-1050, 1050-2750, 2750-7500, 7500-9600, 9600-12500, 12500-15700 en 15700-21000 kHz. There is an RF amplifer and a tunable sieve circuit added on using an EF42 (not before 1948) and a tuning indicator EM84 (not before 1957)! The basic set is certainly around WW2 and had 4 tubes only.
- Net weight (2.2 lb = 1 kg)
- 15.6 kg / 34 lb 5.8 oz (34.361 lb)
- Other Models
-
Here you find 8 models, 7 with images and 0 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Radio-Holland, Nederlandse Telegraaf Maatschappij; Amsterdam