Bally / Stern · Solenoid Driver

BallyDri

Bally 2518-22 / Stern SDU-100 — Solenoid Driver
MOSFET · OmnifetShort-Circuit-Proof190V Adjustable

Short-circuit-proof MOSFET solenoid driver for Bally and Stern.

$150CADSold out
The BallyDri is sold out. We'll email you when the next batch is ready.
  • Tested before shipping
  • Ships from Canada — no customs
  • Ships in 2 - 3 Business Days · Canada only

All sales final. Boards are bench tested before shipping; make sure your machine has no shorts or wiring faults before installing. Sales policy

About this board

1:1 MOSFET replacement for the Bally 2518-22 and Stern SDU-100 solenoid driver boards. Omnifet technology makes solenoid drivers short-circuit-proof. Adjustable 190V. Status LEDs for voltages and flipper-enabled state.
  • 1:1 replacement for Bally 2518-22 and Stern SDU-100
  • MOSFET Omnifet technology — solenoid drivers are short-circuit-proof
  • 190V adjustable
  • Status LEDs for voltage rails and flipper-enabled state
  • All THT components for easy repair and self-soldering
  • Can be pre-assembled by JLCPCB

Tech specs

TypeMOSFET Solenoid Driver
CoreOmnifet MOSFET — short-circuit-proof
EmulationN/A — hardware driver
Boot timeImmediate
Form factorBally 2518-22 / Stern SDU-100 slot (direct drop-in)
ConnectorsOriginal connectors — no rewiring
Notes190V adjustable, status LEDs for voltage rails and flipper-enabled state

Installation

Remove the original Bally 2518-22 or Stern SDU-100 solenoid driver board and install the BallyDri in the same slot. No modifications required. Status LEDs provide immediate voltage rail and flipper status.

Compatible machines

Bally (1977–1985)
Stern MPU-100 / MPU-200

Don't see yours? Ask us — the list grows as firmware is updated.