Beam Control


City Theatrical Adapters will extend the use of your accessory inventory by allowing larger accessories with a 7½” frame size to be used in a standard Source Four with a 6¼” frame. You could use older top hats, or even newer Source Four PAR size top hats, color scrollers, and effects devices. Adapters can extend the use of your stock, and save you money.


Part Number   Name
1251   6 1/4” to 7 1/2” Adapter
1252  7 1/2” to 6 1/4” Adapter



Beam Control Accessory Sizing Chart for ETC Standard, EDLT and XDLT Lenses
 ETC Source 4 LED Series 3 Users: Find the Beam Control Accessory Sizes you need for ETC Standard, EDLT, and XDLT Lenses. Download the: Beam Control Accessory Sizing Chart for ETC's EDLT / XDLT Lenses (PDF).

Additional Information

  • 6 1/4” to 7 1/2” unit allows use of older accessories (color wheels, scrollers, etc.) with Source Four fixtures
  • Made in the USA
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