• Country
• Hungary

• Manufacturer / Brand
• Mechanikai Laboratórium (ML); Budapest

• Year
• 1978 ?

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 332242

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

• Number of Transistors
• Semiconductors present.

• Semiconductors

• Main principle
• Superhet, double/triple conversion

• Wave bands
• Broadcast, Long Wave, more than 2 x SW plus FM or UHF.

• Power type and voltage
• Line / Storage batteries (perhaps also batteries) / 220 / 24 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case, TUBES VISIBLE

• from Radiomuseum.org
• Model: REV-251TD - Mechanikai Laboratórium ML;

• Shape
• Boatanchor (heavy military or commercial set >20 kg).

• Dimensions (WHD)
• 444 x 392 x 310 mm / 17.5 x 15.4 x 12.2 inch

• Notes

• Communications receiver covering 200 kHz - 30 MHz, AM, CW, USB/LSB, FM, FSK;
  standard IF bandwidths 0.1/0.4/0.7/1.0/1.4/2.0/3.0/4.0/6.0 MHz and +/- 2.75/5.75 kHz (SSB mode). Digital frequency display, resolution 1 Hz.

• Net weight (2.2 lb = 1 kg)
• 31 kg / 68 lb 4.5 oz (68.282 lb)

• Mentioned in
• -- Collector info (Sammler)

• Author
• Model page created by Sándor Selyem-Tóth. See "Data change" for further contributors.

• Other Models

• Here you find 162 models, 142 with images and 10 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Mechanikai Laboratórium (ML); Budapest