Speaker 6 inch - 4 ohm 25 watt
#5555-12929-00
Speaker 6 inch - 4 ohm 25 watt
#5555-12929-00
Common 6 inch (O.C. hole to hole) speaker used in cabinet bottoms of Williams/ Bally games.
4 ohm 25 watt replaced by 4 ohm 30 watt
Used in WPC system (1990's) games.
Depending on availability, speaker may be a slightly higher wattage and is considered an upgrade.
Reference: