• Country
• United States of America (USA)

• Manufacturer / Brand
• EICO (Electronic Instrument Co.Inc.) Brooklyn

• Year
• 1961

• Category
• Radio module post 1925 (not a part, not a key)

• Radiomuseum.org ID
• 127006

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

• Number of Tubes
• 6

• Valves / Tubes
• 6AU6 6D10 12AT7 12AU7 12AU7 6X4

• Main principle
• Audio-Amplification

• Wave bands
• - without

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: FM Stereo Multiplex Autodaptor MX99 - EICO Electronic Instrument Co.

• Shape
• Book-shelf unit.

• Dimensions (WHD)
• 6 x 3 x 9 inch / 152 x 76 x 229 mm

• Net weight (2.2 lb = 1 kg)
• 5.8 lb (5 lb 12.8 oz) / 2.633 kg

• Price in first year of sale
• 39.00 $

• Source of data
• -- Schematic

• Literature/Schematics (1)
• Photofact Publication SAMS, FMS-1, FM Multiplexing for Stereo, pg 135-138, EICO MX99 description.

• Literature/Schematics (2)
• The Spectrum Monitor, March 2022, Rich Post article on restoring and aligning the MX-99.

• Author
• Model page created by Cesare Fauni. See "Data change" for further contributors.

• Other Models

• Here you find 183 models, 180 with images and 130 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from EICO (Electronic Instrument Co.Inc.) Brooklyn