Application Notes The 1" throat Eminence Compression drivers are available in either a bolt-on (PSD:2002) or screw-on (PSD:2002S) format.
Specifications: Throat Size: 1", 25.4mm Impedance: 8 Ohms Power Ratings (EIA426B specification, 1.6kHz @ 18dB): 80Wrms Resonance: 550Hz Usable Frequency Range: 1.5kHz - 20kHz Sensitivity (1W @1m on axis on Horn): 105dB Magnet Weight: 34oz. Voice Coil Diameter: 2", 51mm Voice Coil Former: Polyimide Diaphragm Material: Titanium Mounting Information: Overall Diameter: 5.25", 133mm Depth: 2.2", 56mm Mounting Holes Diameter (PSD:2002): 2X 1/4-20 on 3" BHC Mounting Holes B.C.D.: 3X M6 on 2.25" BHC Mounting Thread (PSD:2002S): 1-3/8" 18 NEF ext.