• Country
• United States of America (USA)

• Manufacturer / Brand
• Electro-Voice Inc.; USA

• Year
• 1958 ??

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 263285

• • Brand: Buchanan

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: 623 - Electro-Voice Inc.; USA

• Dimensions (WHD)
• 1.3 x 7.7 x 1.3 inch / 33 x 196 x 33 mm

• Notes

• The Electro-Voice Model 623 dynamic microphone is an omnidirectional type for use where reverberation or random noise is not a particular problem. It is equipped with a convenient "on-off" switch and may mounted on a floor or desk stand or held in the hand.
  Impedance change via cable connector between Hi-Z and Lo-Z.

  Frequency Response 60 - 12000 Hz
  Swivel Mounting
  Satin Chrome Finish
  List Price in 1958: 57.00 USD

• Net weight (2.2 lb = 1 kg)
• 1 lb (1 lb 0 oz) / 0.454 kg

• Price in first year of sale
• 57.00 USD

• Mentioned in
• Audio Magzine January 1958

• Author
• Model page created by Hannes Gerber. See "Data change" for further contributors.

• Other Models

• Here you find 124 models, 115 with images and 45 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Electro-Voice Inc.; USA