• Country
• Netherlands

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

• Year
• 1968 ?

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 121122

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 22GP407 - Philips; Eindhoven tubes

• Shape
• Chassis only or for «building in»

• Notes

• Stereophonic magneto-dynamic pick-up cartridge, with 5-pin connector, for microgroove records.

  Terminating resistance: 68 kΩ
  Horizontal compliance: ≥ 10 x 10-6 cm/dyne
  Vertical stylus pressure: 3 gr
  Needle pressure: 2 - 4 gr
  Channel separation: ≥ 24 dB at 1000 Hz
  Frequency response: 20 ... 20000 Hz ± 2 dB
  Channel balance: ≤ 2 dB

  Pick-up for 78 rpm records with otherwise identical data, see GP409.
  In June 1968, the type AG3407 was recoded to 22GP407.
  There is no direct replacement for this cartrigde type (in 1971).

  Replacement stylus type:
  4822 251 30007, diamond, micro and stereo 15 µ, color marking: blue (replaces white)

• Price in first year of sale
• 99.00 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, 1968+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