ETC CALS470 Source 4 Lens Barrel 70-Degree 100816167 as well as the strength

as well as the strength and ruggedness you would expect from Global Truss

25-pin D-sub is used to send all 8 transformer isolated channels back to the mixing console or workstation

and Windows

Power supply connection: Connection point for the included Radial 15VDC power supply

ETC CALS470 Source 4 Lens Barrel 70-Degree 100816167 as well as the strengthETC CALS470 Source 4 Lens Barrel 70 Degree This is a 70 degree lense tube with lense installed for an ETC Source Four Ellipsoidal Spotlight. It provides a wide spread of light when installed in any ETC spotlight. ETC Source Four spotlights are normally sold with lens tubes of 5, 10, 19, 26, 36, or 50 spread. Install this tube if your present 19 50 ETC spotlight provides a beam that's too narrow for your application.