• 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
• 46924

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

• Number of Tubes
• 4

• Valves / Tubes
• 1R5 1U4 1U5 3Q4

• 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

• Material
• Leather / canvas / plastic - over other material

• from Radiomuseum.org
• Model: 5D7-W18 [3Q4] - Meck, John, Industries, Inc.;

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

• Dimensions (WHD)
• 10 x 7.5 x 6.5 inch / 254 x 191 x 165 mm

• Notes

• For this set a variant utilizing the 3V4 output tube (caution: different pin-out) is documented in SAMS Photofacts, see 5D7-W18 (3V4).

• External source of data
• Ernst Erb

• Source of data
• Collector's Guide to Antique Radios 4. Edition

• Circuit diagram reference
• Rider's Perpetual, Volume 19 = 1949 and before

• Mentioned in
• The Radio Collector's Directory and Price Guide 1921 - 1965

• 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)