Neutrodyne-Empfänger L21
Lange GmbH, Johannes; Plauen i. Vogtland
- Country
- Germany
- Manufacturer / Brand
- Lange GmbH, Johannes; Plauen i. Vogtland
- Year
- 1928–1930
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 15675
-
- alternative name: Vogtländische Radio-Gesellschaft mbH
- Brand: Longa
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Tubes
- 4
- Main principle
- TRF with regeneration; 1 Special; 2 AF stage(s); Neutrodyne
- Tuned circuits
- 2 AM circuit(s)
- Wave bands
- Broadcast, Long Wave and Short Wave.
- Power type and voltage
- Storage and/or dry batteries / 4 & 150 & 9 Volt
- Loudspeaker
- - This model requires external speaker(s).
- Material
- Wooden case
- from Radiomuseum.org
- Model: Neutrodyne-Empfänger L21 - Lange GmbH, Johannes; Plauen i
- Shape
- Tablemodel, Box - most often with Lid (NOT slant panel).
- Dimensions (WHD)
- 460 x 210 x 195 mm / 18.1 x 8.3 x 7.7 inch
- Notes
-
Steckspulen innen für 10 ... 2000 m beliebig auswechselbar.
Das Modell L21 wird von Lange als sein Meisterstück (mit 4 Röhren) bezeichnet und so in einige Kataloge übernommen. Beide Modelle sind identisch (siehe dort).
- Price in first year of sale
- 187.00 RM !
- External source of data
- E. Erb 3-907007-36-0
- Source of data
- Radiokatalog Band 2, Ernst Erb
- Circuit diagram reference
- Röhren in FS-Bestückungstabellen
- Mentioned in
- Der Radio-Händler / Der Rundfunk-Händler (ab Jan. 1939) (2920)
- Literature/Schematics (1)
- Radio-Web. Der große Europa-Katalog 1930 (S.227)
- Literature/Schematics (2)
- Arlt's grosser Radiokatalog 1930 (S. 7)
- Other Models
-
Here you find 126 models, 97 with images and 45 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Lange GmbH, Johannes; Plauen i. Vogtland
Collections
The model Neutrodyne-Empfänger is part of the collections of the following members.