the collection / radios / r / RADIOLA HVL 220
  
Manufacturer: Svenska Radioaktiebolaget (SRA)
Model: Radiola HVL 220
Fabrication year: 15/10-1929
Serial number: 4977
Price when new: 250 SEK
Cabinet: Birch veneer
Tubes: 2 x E 438, 2 x B 409 one of which as rectifier
Speaker: Built in, electromagnetical
Current: 220 V AC
Wave length: 150 - 2200 m
Measures:  
Notations: One of the first models with built-in speakers.