• Country
• Netherlands

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

• Year
• 1935 ??

• Category
• Audio Amplifier or -mixer

• Radiomuseum.org ID
• 113422

• Number of Tubes
• 2

• Valves / Tubes
• CF1 or CF7 FZ1

• Main principle
• Audio-Amplification

• Wave bands
• - without

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

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Mikrofonvorverstärker 3745 - Philips; Eindhoven tubes

• Dimensions (WHD)
• 235 x 80 x 145 mm / 9.3 x 3.1 x 5.7 inch

• Notes
• Für die Verwendung der Philips-Mikrofone 4210 und 4225. Frequenzgang: 25···10000 Hz; Verstärkung: 34,6 dB, Rauschpegel: 55 dB, Stromaufnahme: 8 W.

• Source of data
• -- Collector info (Sammler)

• Author
• Model page created by Uwe Rössler. See "Data change" for further contributors.

• Other Models

• Here you find 5245 models, 4387 with images and 3446 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philips; Eindhoven (tubes international!); Miniwatt