• Country
• Australia

• Manufacturer / Brand
• Manufacturers Special Products Pty. Ltd.(MSP); Sydney, NSW

• Year
• 1965–1971

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 360965

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 2.25 inch = 5.7 cm

• Material
• Various materials

• from Radiomuseum.org
• Model: Hi-Flux 50275-225JB/8 - Manufacturers Special Products

• Shape
• Chassis only or for «building in»

• Notes

• Resonance	350 Hz
  Response	300-4,000 Hz
  Voice Coil Impedance	8 ohm
  Power Handling Ability (Peak)	300 mW
  Total Gap Flux	10,000
  Air Gap Flux Density	7,000
  Baffle Opening	2" round
  Maximum Depth	1"

• Price in first year of sale
• 3.80 AUS $

• Mentioned in
• Mingay's Price Service (Aug 1965 to Aug 1971.)

• Author
• Model page created by Martin Kent. See "Data change" for further contributors.

• Other Models

• Here you find 24 models, 19 with images and 1 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Manufacturers Special Products Pty. Ltd.(MSP); Sydney, NSW