M-4 Automatic Record Changer

• Country
• United States of America (USA)

• Manufacturer / Brand
• Philco, Philadelphia Stg. Batt. Co.; USA

• Year
• 1946

• Category
• Sound/Video Recorder and/or Player

• Radiomuseum.org ID
• 51419

• Picture
• Schematics

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

• Wave bands
• - without

• Details
• Changer (Record changer)

• Power type and voltage
• Alternating Current supply (AC) / 117 Volt

• Loudspeaker
• - For headphones or amp.

• Material
• Metal case

• from Radiomuseum.org
• Model: M-4 Automatic Record Changer - Philco, Philadelphia Stg. Batt

• Shape
• Chassis only or for «building in»

• Notes
• The Philco Model M-4 is an automatic, solenoid trip, single post changer. It is designed to play automatically change either ten 12-inch, or twelve 10-inch standard records.

• External source of data
• Ernst Erb

• Circuit diagram reference
• Rider's Perpetual, Volume 18 = 1949 and before

• Mentioned in
• Philco Home Radio Yearbook 1946-1947

• Literature/Schematics (1)
• Photofact Folder, Howard W. SAMS (Date 9-47, 4715-30)

• Other Models

• Here you find 4019 models, 2215 with images and 3667 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
  All listed radios etc. from Philco, Philadelphia Stg. Batt. Co.; USA