• Country
• United States of America (USA)

• Manufacturer / Brand
• Wells-Gardner & Co.; Chicago

• Year
• 1940 ??

• Category
• Broadcast Receiver - or past WW2 Tuner

• Radiomuseum.org ID
• 65454

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

• Number of Tubes
• 6

• Valves / Tubes
• 1A7GT 1N5GT 1N5GT 1H5GT 3Q5GT 35Z5GT

• Main principle
• Superheterodyne (common); ZF/IF 456 kHz

• Tuned circuits
• 6 AM circuit(s)

• Wave bands
• Broadcast only (MW).

• Power type and voltage
• Line / Batteries (any type) / 117; 9 & 90 Volt

• Loudspeaker
• Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil) / Ø 6 inch = 15.2 cm

• Power out
• 0.05 W (unknown quality)

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

• from Radiomuseum.org
• Model: Coronado 6B7 [early] - Wells-Gardner & Co.; Chicago

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

• Dimensions (WHD)
• 14 x 10 x 7.5 inch / 356 x 254 x 191 mm

• Notes

• Also sold under Coronado 6B7, The brandname Coronado is shown on the dial

• Net weight (2.2 lb = 1 kg)
• 4.9 kg / 10 lb 12.7 oz (10.793 lb)

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 11 = ca. 1940 and before

• Other Models

• Here you find 313 models, 102 with images and 283 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Wells-Gardner & Co.; Chicago