Esaki Diode EFM-117
Sony Corporation; Tokyo
- Country
- Japan
- Manufacturer / Brand
- Sony Corporation; Tokyo
- Year
- 1963
- Category
- Broadcast Receiver - or past WW2 Tuner
- Radiomuseum.org ID
- 128462
Click on the schematic thumbnail to request the schematic as a free document.
- Number of Transistors
- 11
- Semiconductors
- 2SA166 2SA166 2SA122 2SA70 2SA122 2SA122 2SA122 2SB379 2SB379 2SB382 2SB382 1T13 SD111 1T26 1T23
- Main principle
- Superheterodyne (common); ZF/IF 455/10700 kHz
- Tuned circuits
- 5 AM circuit(s) 11 FM circuit(s)
- Wave bands
- Broadcast (BC) and FM or UHF.
- Power type and voltage
- Dry Batteries / C: 4 x 1.5 & 2.6 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) - elliptical
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Esaki Diode EFM-117 - Sony Corporation; Tokyo
- Shape
- Portable set > 8 inch (also usable without mains)
- Dimensions (WHD)
- 300 x 167 x 60 mm / 11.8 x 6.6 x 2.4 inch
- Notes
-
FM 86.5 - 108 MHz.
FM mixer uses an Esaki Diode (Tunnel-Diode).
Built-in 2.6 V mercury battery for the AFC circuitry.
Jacks for MPX out, audio out, audio in and earphones.
- Net weight (2.2 lb = 1 kg)
- 1.6 kg / 3 lb 8.4 oz (3.524 lb)
- Price in first year of sale
- 89.95 US$
- Source of data
- -- Schematic
- Mentioned in
- USA: High Fidelity Magazine, December 1963, Vol.13, No.12, p.36 (ad)
- Literature/Schematics (1)
- Photofact TSM Transistor Radio Series SAMS (TSM-47, Dec. 1964, p.118)
- Author
- Model page created by a member from A. See "Data change" for further contributors.
- Other Models
-
Here you find 3913 models, 3773 with images and 947 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Sony Corporation; Tokyo