• Country
• Great Britain (UK)

• Manufacturer / Brand
• Goodmans Industries Ltd.; Wembley, Middlesex

• Year
• 1975 ??

• Category
• Loudspeaker, headphone or earphone

• Radiomuseum.org ID
• 309667

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

• Wave bands
• - without

• Details
• Hi-Fi equipment

• Power type and voltage
• No Power needed

• Loudspeaker
• 3 Loudspeakers

• Material
• Wooden case

• from Radiomuseum.org
• Model: Achromat 400 - Goodmans Industries Ltd.;

• Dimensions (WHD)
• 327 x 657 x 292 mm / 12.9 x 25.9 x 11.5 inch

• Notes

• Frequency range; ±5dB 40-22,000 Hz
  Nominal impedance; 8 ohms
  Recommended amplifier music power rating; 25 to 75 Watts.
  Sensitivity; 12 Watts for 96 dB at 1 metre
  Effective enclosure volume; 39.5 litres
  Dividing frequencies 900 and 3,500 Hz
  Weight; 16.5 kg (36 Ibs) net
  Driver units;
  Bass 260mm long throw
  Mid 52mm dome
  Treble 25mm dome

• Net weight (2.2 lb = 1 kg)
• 16.5 kg / 36 lb 5.5 oz (36.344 lb)

• Author
• Model page created by Mike Edwards † 25.10.21. See "Data change" for further contributors.

• Other Models

• Here you find 95 models, 88 with images and 31 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Goodmans Industries Ltd.; Wembley, Middlesex