• Country
• Germany

• Manufacturer / Brand
• Blaupunkt (Ideal), Berlin, später Hildesheim

• Year
• 1930–1933

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 489

• • alternative name: Ideal-Radiotelephon- und App-fabr. || Ideal-Werke AG; Berlin (ab 1934)
  • Brand: Rotstern

Click on the schematic thumbnail to request the schematic as a free document.

• Number of Tubes
• 3

• Valves / Tubes
• RE034s RE034s RE114s or RE134S or RES164s

• Main principle
• TRF with regeneration; 2 AF stage(s)

• Tuned circuits
• 1 AM circuit(s)

• Wave bands
• Broadcast (MW) and Long Wave.

• Power type and voltage
• Direct Current supply (DC) / 110 or 220 Volt

• Loudspeaker
• - This model requires external speaker(s).

• Material
• Wooden case

• from Radiomuseum.org
• Model: G300 - Blaupunkt Ideal, Berlin,

• Shape
• Tablemodel, low profile (big size).

• Dimensions (WHD)
• 353 x 195 x 170 mm / 13.9 x 7.7 x 6.7 inch

• Notes

• Zusätzlich Röhren, zwei Ausführungen:

  • für Gleichstrom 110 V, mit RE114 Serie, Preis RM 21,50, Mehrpreis für RES164 Serie RM 11,-
  • für Gleichstrom 220 V, mit RE134 Serie, Preis RM 24,-, Mehrpreis für RES164 Serie RM 8,50

  Ch= LG300 [501, 569]

  Price in Spain (1931) = 475 pts. Chassis plus tubes but without box = 450 pts.

• Net weight (2.2 lb = 1 kg)
• 4.5 kg / 9 lb 14.6 oz (9.912 lb)

• Price in first year of sale
• 120.00 RM +

• Source of data
• Katalog Radio-Zentrale Prohaska 1930/31 (dick) / Radiokatalog Band 1, Ernst Erb

• Circuit diagram reference
• Lange + FS-Bestückungstabellen

• Mentioned in
• Katalog Radio-Zentrale Prohaska 1931/32

• Literature/Schematics (1)
• -- Original prospect or advert

• Literature/Schematics (4)
• Advert in La Vanguardia (Barcelona-Spain) may 1931

• Picture reference
• Das Modell ist im «Radiokatalog» (Erb) abgebildet.

• Other Models

• Here you find 3527 models, 3216 with images and 2320 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Blaupunkt (Ideal), Berlin, später Hildesheim