Selenium D220TI TRIO Titanium Screw-On Driver 8 Ohm

Brand New Genuine Factory Selenium D220TI TRIO Screw On Driver. Same as the original D220TI driver.

General Specifications:

• Impedance 8ohms
• Standard 1 3/8″ screw – 18 threads per inches. Compatible with any Selenium horn with model number ending in “25”
• Frequency response @-6 dB 1,000 to 21,000 Hz
• Throat diameter 1″
• Magnet weight 24oz (675g)
• Housing material Plastic
• Voice coil material Kapton®/CCAW
• Weight: 4 lbs.
• Overall diameter: 4.53″, Depth: 2″, 2.75″ including threaded “nose”

Driver has the following features: diaphragm type dome is pure, rigid, light and extremely thin titanium (0.025 mm). To avoid stress and distortion, the suspension has a special design. Injected phase plug in engineering plastic, optimized to eliminate undesirable phase cancellations. Magnetic assembly that concentrates flux in the gap, optimized using FEA(Finite Element Analysis). Voice coil manufactured in CCAW (Copper Clad Aluminium Wire), Kapton former, assures great stability and thermal resistance. The moving assembly has a perfect auto-centering characteristic that turns replacement in an easy task.