PRV Audio Brazil's video: PRV Audio Brazil D290Py-B and D290Py-S - 1 Pro Audio Polyimide Compression Driver

See more at - http://prvaudio.com/products/d290py-b/ and http://prvaudio.com/products/d290py-s/ The PRV Audio Compression Drivers offers unsurpassed vocal and Mid Range reproduction. A specially designed and easily replaceable Polyimide diaphragm on a Kapton former results in a more natural sound with smoother and more accurate high frequency reproduction. D290Py-B Compression Driver Throat Diameter: 1" Type: Bolt-On Nominal Impedance: 8Ω Rated Power Handling: 90 Watts Program Power: 180 Watts Sensitivity (1W/1m): 109 dB Frequency Range at -10 dB: 650 - 19,000 Hz Recommended Hi Pass X-Over: 1000 Hz (12 dB/Octave) Voice Coil Diameter: 1.75" Magnet Material: Ferrite Diaphragm Type: Polyimide Weight: 4.67 Lbs Replacement Diaphragm: RPD290Py MSRP Per Unit: $74.98 _________________________________________________________ D290Py-S Compression Driver Throat Diameter: 1" Type: Screw-On Nominal Impedance: 8Ω Rated Power Handling: 90 Watts Program Power: 180 Watts Sensitivity (1W/1m): 109 dB Frequency Range at -10 dB: 650 - 19,000 Hz Recommended Hi Pass X-Over: 1000 Hz (12 dB/Octave) Voice Coil Diameter: 1.75" Magnet Material: Ferrite Diaphragm Type: Polyimide Weight: 4.96 Lbs Replacement Diaphragm: RPD290Py MSRP Per Unit: $74.98