• Country
• Netherlands

• Manufacturer / Brand
• Philips; Eindhoven (tubes international!); Miniwatt

• Year
• 1938 ?

• Category
• Wired Receiver (AF only)

• Radiomuseum.org ID
• 151559

• Number of Tubes
• 2

• Valves / Tubes
• GRDVI GRDVII

• Main principle
• Audio-Amplification; 1 AF stage(s)

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 220 Volt

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

• Power out
• 3 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: GRD versterker 3301 - Philips; Eindhoven tubes

• Dimensions (WHD)
• 300 x 160 x 100 mm / 11.8 x 6.3 x 3.9 inch

• Notes
• Wired Broadcast (NF-Drahtfunk) amplifier. Input 0,5 Volt, output 42 Volt. Input selector (4 channels) and volume control.

• Net weight (2.2 lb = 1 kg)
• 12.5 kg / 27 lb 8.5 oz (27.533 lb)

• Other Models

• Here you find 5270 models, 4414 with images and 3455 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt