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Creating a power cable from Steadicam rig Lemo connector to AJA device

12 years old. Gear and prices may have changed since.

What the thread found

  • The FFA.1S.303.CLAC Lemo connector on a Pro SD rig Steadicam provides three pins: pin 1 is 24V, pin 2 is ground, and pin 3 is 12V unregulated
  • The unregulated 12V output can reach approximately 16.2 volts when drawing power from a freshly charged Dionic HC battery
  • AJA converter devices with a 5-18V power input specification should tolerate the voltage range from a Steadicam rig's Lemo connector

Depends on

  • The unregulated voltage behavior depends on battery charge state and may vary with different battery models
  • Sharing power between multiple devices on the rig may increase current draw and voltage fluctuations
  • Actual compatibility depends on the specific AJA device model and its voltage tolerance
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