• Country
• Spain

• Manufacturer / Brand
• Promax; Barcelona

• Year
• 1990 ??

• Category
• Service- or Lab Equipment

• Radiomuseum.org ID
• 173762

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• VHF incl. FM and/or UHF (see notes for details)

• Power type and voltage
• Line / Storage batteries (perhaps also batteries) / 110; 125; 220; 230, 240; 12 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)

• Power out
• 0.2 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Analizador de Espectro MC-277-B - Promax; Barcelona

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

• Dimensions (WHD)
• 280 x 95 x 250 mm / 11 x 3.7 x 9.8 inch

• Notes
• Bandas:
  VHF: 48,25 - 168,25 & 175,25 - 447,25 MHz.
  UHF: 455,25 - 855,25 MHz.
  SAT: 950 - 2050 MHz.
  

• Net weight (2.2 lb = 1 kg)
• 4.8 kg / 10 lb 9.2 oz (10.573 lb)

• Literature/Schematics (1)
• - - Manufacturers Literature

• Author
• Model page created by Miguel Bravo-Cos. See "Data change" for further contributors.

• Other Models

• Here you find 188 models, 170 with images and 69 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Promax; Barcelona