• Country
• United States of America (USA)

• Manufacturer / Brand
• Marantz (Sound United LLC); Vista, CA

• Year
• 1978 ??

• Category
• Microphone or Pick-up element

• Radiomuseum.org ID
• 310282

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Details
• Hi-Fi equipment

• Power type and voltage
• No Power needed

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: Spectrum Analyzer Microphone EM551 - Marantz Sound United LLC;

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 20 x 20 x 170 mm / 0.8 x 0.8 x 6.7 inch

• Notes

• Probabilmente da usare con Marantz Graphic Equalizer Spectrum Analyzer EQ551

• Net weight (2.2 lb = 1 kg)
• 0.190 kg / 0 lb 6.7 oz (0.419 lb)

• Author
• Model page created by Edoardo Sigismondo. See "Data change" for further contributors.

• Other Models

• Here you find 568 models, 559 with images and 91 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Marantz (Sound United LLC); Vista, CA