• Country
• Netherlands

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

• Year
• 1966 ?

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 121123

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

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Magneto-dynamic Pickup GP409 - Philips; Eindhoven tubes

• Shape
• Chassis only or for «building in»

• Notes

• Monophonic magneto-dynamic pick-up cartridge, with 5-pin connector, for 78 rpm records.

  Terminating resistance: 68 kΩ
  Horizontal compliance: ≥ 10 x 10-6 cm/dyne
  Vertical stylus pressure: 3 gr
  Channel separation: ≥ 24 dB at 1000 Hz
  Frequency response: 20 ... 20000 Hz ± 2 dB
  Channel balance: ≤ 2 dB

  Stereo pick-up for microgroove records with otherwise identical data, see GP407.
  There is no direct replacement for this cartrigde type (in 1971).

  Replacement stylus type:
  4822 251 40005, diamond, normal 75 µ, color marking: green

• Price in first year of sale
• 88.00 DM

• Mentioned in
• - - Manufacturers Literature (Valvo Taschenbuch 1968 (S.464))

• Literature/Schematics (1)
• - - Manufacturers Literature (Replacement list 1971)

• Literature/Schematics (2)
• - - Manufacturers Literature (Philips Service, 1969)

• Author
• Model page created by Georg Richter. 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