This radio receives stations very well with good clear analog vacuum tube sound and volume with no hum using just the loop antenna inside the case with no need for an external antenna. It has been tested for several days and should continue to play loud and clear for many, many more years. The gray case with yellow accents has no chips or odors.One hairline crack across the top has been strongly repaired with an epoxied patch inside. I have thoroughly washed and buffed the case and it looks remarkable for a 65 year old. The knobs match and are original. The original hardboard back is still in great condition and the original bottom labels show the location of the tubes.
The top handle collapses down and can be used to carry the radio. The inside chassis has been thoroughly cleaned; the volume control de-oxidized for smooth volume changes and all moving controls lubricated. I have replaced all old electrolytic and film capacitors in the chassis with new modern capacitors and have checked all resistors.
Brittle or bare wiring has been replaced or re-insulated. All 5 easily found tubes have been tested and questionable tubes have been replaced. The matching power cord with molded plug is still in good pliable condition.
The speaker is in great condition. The radio has been successfully bench tested for at least 12 hours over several days. The radio size is approximately 5¾ high by 11½ wide by 5½ deep and weighs about 3½ pounds.
Note: If you are unsuccessful in winning this radio please check back to see what other radios I have for sale. I list one restored old radio about every week. Or model M510G, Ch= 5M02, Zenith Radio Corp. United States of America (USA).Broadcast Receiver - or past WW2 Tuner. Super-Heterodyne (Super in general); ZF/IF 455 kHz; 2 AF stage(s). AC/DC-set / AC/DC 117 Volt. Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil). Model: M510G Ch= 5M02 - Zenith Radio Corp.
Modern plastics (no Bakelite or Catalin). Tablemodel, Mantel/Midget/Compact up to 14 width, but not a Portable See power data. Sometimes with handle but for mains only. The Zenith models M510G, M510R, M510W and M510Y differ only in color and are shown in Photofact set 265, folder 16 of February 1955. The item "Unique Grey Fully Restored 1954 Zenith Model M510-G Vacuum Tube Working AM Radio" is in sale since Sunday, July 21, 2019.This item is in the category "Collectibles\Radio, Phonograph, TV, Phone\Radios\Tube Radios\1950-59". The seller is "1802sandypup" and is located in Ames, Iowa. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Sri lanka, Uruguay.