• Country
• Italy

• Manufacturer / Brand
• Siera; (where?)

• Year
• 1965 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 198688

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast, Long Wave and FM or UHF.

• Power type and voltage
• Dry Batteries / 4 X 1,5 Volt

• Loudspeaker
• -Loudspeaker incorporated, but system not known. / Ø 11 cm = 4.3 inch

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Marimba SI7042T - Siera; where?

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

• Dimensions (WHD)
• 255 x 155 x 63 mm / 10 x 6.1 x 2.5 inch

• Notes
• Double tuning dial. MF 87 - 104 MHz. Jacks for headphone and external antenna. Two wheels, one for on / off and volume, one for tuning. Ferrite antenna 20 cm.
  Curiosity: indicator of power is not a red window, but the red color of the volume knob.

• Net weight (2.2 lb = 1 kg)
• 1.5 kg / 3 lb 4.9 oz (3.304 lb)

• Author
• Model page created by Felice Nicolini. See "Data change" for further contributors.

• Other Models

• Here you find 14 models, 11 with images and 3 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Siera; (where?)