Dual 502 Turntable Motor | SM840 Model | Vintage Tested Working

This is an original Dual SM840 platter motor from a classic Dual 502 belt-drive turntable. The motor has been tested and confirmed working prior to removal from a functioning turntable.

Item Specifications:

• Manufacturer: Dual (Gebrüder Steidinger), Germany
• Model: SM840 Platter Motor
• Compatible Device: Dual 502 Turntable
• Condition: Used, Good – Vintage with age-appropriate patina
• Weight: 750 grams
• Dimensions: 10.16 cm L × 7.62 cm W × 5.08 cm H
• Era: 1960s–1980s Vintage Audio

Condition Details:

This motor is structurally complete and fully functional. It features:

• Original dual-connector wiring harness (yellow and green insulation)
• Brass terminal block with multiple screw connection points
• All mechanical components attached and intact
• Tested working prior to removal
• Age-appropriate oxidation on brass terminals and metal housing (cosmetic, not affecting function)
• No cracks, major corrosion, or structural damage

About the SM840:

The SM840 is the documented 4-pole induction motor for Dual 502 turntables, renowned in audiophile and vintage audio restoration circles for its engineering and speed stability characteristics. This motor is ideal for:

• Restoring or repairing a Dual 502 turntable
• Parts replacement for turntable technicians
• Vintage audio equipment collectors and enthusiasts
• Project restoration or modification

Shipping & Notes:

Shipped carefully packaged. All terminal connections and wiring harness are intact and ready for installation. Please inspect photos for detailed condition and component views.

International buyers: Please note that customs duties and import taxes may apply to shipments outside Canada. The recipient may be responsible for these charges upon delivery, in accordance with their country's regulations.

Les acheteurs internationaux: Veuillez noter que des droits de douane et taxes d'importation peuvent s'appliquer aux envois hors du Canada. Le destinataire peut être responsable de ces frais à la livraison, conformément à la réglementation de son pays.