• Country
• Italy

• Manufacturer / Brand
• Irradio; Milano

• Year
• 1980 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 191341

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superheterodyne (common)

• Wave bands
• Broadcast (BC) and FM or UHF.

• Details
• Cassette-Recorder or -Player

• Power type and voltage
• Dry Batteries / 2 x 1,5 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 5 cm = 2 inch

• Power out
• 1 W (unknown quality)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Tripper 724 - Irradio; Milano

• Shape
• Very small Portable or Pocket-Set (Handheld) < 8 inch.

• Dimensions (WHD)
• 90 x 135 x 50 mm / 3.5 x 5.3 x 2 inch

• Notes
• FM frequency range from 88 MHz to 108 MHz; AM frequency range from 530 KHz to 1600 KHz; Power supply 2 cells UM-2 x1.5 Volts; built-in microphone; FWD, REW, REC, PLAY and STOP panel switch for built-in recorder; auto-stop mechanism recorder.

• Net weight (2.2 lb = 1 kg)
• 0.1 kg / 0 lb 3.5 oz (0.22 lb)

• Source of data
• - - Data from my own collection

• Author
• Model page created by Emilio Focosi. See "Data change" for further contributors.

• Other Models

• Here you find 275 models, 202 with images and 122 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Irradio; Milano