• Country
• Hungary

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

• Year
• 1957

• Category
• Commercial Receiver (may include amateur bands)

• Radiomuseum.org ID
• 137467

• Number of Tubes
• 14

• Valves / Tubes
• EF85 EF85 ECH81 ECC82 ECH81 ECC82 EBF80 EBF80 EBF80 EBF80 ECH81 ECL82 EZ80 EZ80

• Main principle
• Superhet, double/triple conversion; ZF/IF 1600/78 kHz

• Wave bands
• Short Wave (SW only)

• Power type and voltage
• Line / Storage batteries (perhaps also batteries) / 220 / 6 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: ML 400 - Mechanikai Laboratórium ML;

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

• Dimensions (WHD)
• 520 x 330 x 630 mm / 20.5 x 13 x 24.8 inch

• Notes
• Receiver ML400. Audio output for loudspeaker, low or high impedance. Additional symmetrical output 600 Ohm. 1,85-25 MHz (I-IV).

• Net weight (2.2 lb = 1 kg)
• 38 kg / 83 lb 11.2 oz (83.7 lb)

• Source of data
• -- Collector info (Sammler)

• Literature/Schematics (1)
• Dékány-Szönyi: A magyar katonai rádiófelderítés története.

• 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