• Country
• Soviet Union

• Manufacturer / Brand
• ADS Plant; Perm, Russia

• Year
• 1985

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 359131

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

• Number of Transistors
• 5

• Semiconductors
• КТ339 КТ315Б КТ315Б КТ209Б КТ209Б К237ХА5 К174УР3 КР198НТ4А КВ109В КВ109В КД521

• Main principle
• Superheterodyne (common)

• Wave bands
• FM Broadcast Band Only

• Power type and voltage
• Dry Batteries / 9 Volt

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

• Power out
• 0.07 W (0.1 W max.)

• Material
• Plastics (no bakelite or catalin)

• from Radiomuseum.org
• Model: Ирень Iren [First issue] - ADS Plant; Perm, Russia

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

• Dimensions (WHD)
• 115 x 65 x 30 mm / 4.5 x 2.6 x 1.2 inch

• Notes

• First FM only (64,8-74 MHz) portable radio set in Soviet Union, «Ирень» (1985-1987), successor close similar models «Ирень-401» (1987-1989),  «Ирень-301» (1989-1993).

• Net weight (2.2 lb = 1 kg)
• 0.170 kg / 0 lb 6 oz (0.374 lb)

• Source of data
• -- Schematic

• Author
• Model page created by Nikolai Galak. See "Data change" for further contributors.

• Other Models

• Here you find 4 models, 3 with images and 4 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from ADS Plant; Perm, Russia