8 inch diameter 4 ohm full range speaker used in many pinball machine lower cabinets. Hole-to-hole measurement is 7-3/4 inches.
Depending on availability, speaker may be a slightly higher wattage and is considered an upgrade.
Reference:
- Replaced by 031-5007-01
- 5555-15078-00
- 031-5007-01 for 8 inch diameter 4 ohm speaker.