I have two system 11B boards ready to ship monday, one to one original board design. Upgraded transistors to not need the second set of high wattage resistors.
This board does NOT have distorted sound like the rottondog boards. Sound is 100% original.
Check it out:
https://pinballbasement.com/products/d-11883-system-11b-cpu-board
System 11B Top (resized).png