• Country
• Japan

• Manufacturer / Brand
• Toa Electric Co., Ltd. 東亜; Kobe

• Year
• 1965 ??

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 312052

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

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• No Power needed

• Material
• Metal case

• from Radiomuseum.org
• Model: Microphone DM-400 - Toa Electric Co., Ltd. 東亜;

• Dimensions (WHD)
• 32 x 32 x 162 mm / 1.3 x 1.3 x 6.4 inch

• Notes

• This microphone has a response of 70-12,000Hz at 600 Ohms or 50K Ohms

• Net weight (2.2 lb = 1 kg)
• 0.250 kg / 0 lb 8.8 oz (0.551 lb)

• Author
• Model page created by Joshua Boxer. See "Data change" for further contributors.

• Other Models

• Here you find 46 models, 42 with images and 17 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Toa Electric Co., Ltd. 東亜; Kobe