🏷️ Basic Information Identification Make: Champion Model: 820 / 830 Radiogram Year: Not specified (likely vintage) Generation: Not applicable (specific model series) 📋 Manual Details Documentation Manual Type: Service Sheet / Repair Manual Language: English Page Count: Not specified Format: PDF Download ⚙️ Engine Specifications Motor Engine Type: Electric Motor (for turntable) Displacement: Not applicable Power: Not specified (typical for its era) 🔧 Transmission Turntable Type: Belt Drive / Idler Wheel Drive (common for the era) Gears: 3-speed (33 1/3, 45, 78 RPM) 📐 Dimensions Physical Length: Not specified Width: Not specified Height: Not specified Weight: Not specified 🔧 Maintenance Servicing Service Interval: As needed (based on component wear) Oil Capacity: Not applicable (no oil reservoir) 📄 Audio Specs Playback Record Player Type: Portable Radiogram / Table Autoradiogram Radio Bands: AM/FM (likely, depending on exact model) Speaker Configuration: Internal Speaker(s) 📄 Power Electrical Power Source: AC Mains (typical for the era) Voltage: Not specified (likely 110-240V selectable or region specific) 📄 Features Functionality Portability: Yes (for 820 model) Built In Radio: Yes Automatic Shutoff: Not specified 📄 Technical Details Components Turntable Drive Mechanism: Not specified (could be belt or idler) Needle Type: Stylus (Diamond or Sapphire)