• Country
• United States of America (USA)

• Manufacturer / Brand
• Meck, John, Industries, Inc.; Plymouth (IN)

• Year
• 1947

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 185532

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1U4 1S5 3V4

• Main principle
• Superheterodyne (common); ZF/IF 455 kHz; 2 AF stage(s)

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / AC/DC 105-125 / 7.5 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 4 inch = 10.2 cm

• from Radiomuseum.org
• Model: 5D7-W18 [3V4] - Meck, John, Industries, Inc.;

• Shape
• Portable set > 8 inch (also usable without mains)

• Dimensions (WHD)
• 245 x 180 x 145 mm / 9.6 x 7.1 x 5.7 inch

• Notes

• For this set a variant utilizing the 3Q4 output tube (caution: different pin-out) is documented, see 5D7-W18 (3Q4).

• Net weight (2.2 lb = 1 kg)
• 2.6 kg / 5 lb 11.6 oz (5.727 lb)

• Mentioned in
• Photofact Folder, Howard W. SAMS (Set 21, Date 7/47, Folder 4711-22)

• Author
• Model page created by Ernst Erb. See "Data change" for further contributors.

• Other Models

• Here you find 114 models, 77 with images and 77 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Meck, John, Industries, Inc.; Plymouth (IN)