• Country
• Netherlands

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

• Year
• 1961 ?

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 340068

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

• Main principle
• Hi-Fi-High End products

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 12 inch = 30.5 cm

• Power out
• 20 W (unknown quality)

• Material
• Metal case

• from Radiomuseum.org
• Model: AD4277M - Philips; Eindhoven tubes

• Shape
• Chassis only or for «building in»

• Dimensions (WHD)
• 305 x 0 x 305 mm / 12 x 0 x 12 inch

• Notes

• Philips loudspeaker AD4277M,

  • voice coil impedance  7 Ω (at 1000 Hz)
  • resonance frequency 45 Hz.

• Net weight (2.2 lb = 1 kg)
• 1.920 kg / 4 lb 3.7 oz (4.229 lb)

• Mentioned in
• NL: 77 HiFi range loudspeakers

• Author
• Model page created by Carlos A. Pieroni-García. See "Data change" for further contributors.

• Other Models

• Here you find 5269 models, 4413 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