RD75 Planar-Magnetic Loudspeaker
Manufacturer's Specifications
Transducer type............. Push-pull planar-magnetic
Dimensions.................. 75.563" x 4.675" x 1.53"
Weight...................... 35.5 lbs.
Bandwidth................... 150Hz - 18,500Hz, +/-3dB in a closed box
............................ infinite baffle.
Impedance................... 6.0 ohms, resistive; no reactive
............................ component or resulting impedance
............................ phase angle
Radiating area.............. 144 square inches
Conductor type.............. Aluminum
Diaphragm type.............. Polyester
Chassis..................... Steel
Magnetic type............... Ceramic 5
Sensitivity................. Equivalent to 88dB/1w/1m
Power rating................ 375 watts continuous
............................ 750 watts program
............................ 1.5 Kilowatts peak
Crossover frequency......... 150Hz @ not less than 12dB/octave
............................ 125Hz @ not less than 24dB/octave
Distortion.................. Intermodulation distortion is fundamentally
............................ due to diaphragm motion. With 144 square
............................ inches of surface area, the RD75 has up to
............................ 180 times less I.M. distortion than a 1"
............................ tweeter at high frequencies.
External use in an overly moist, humid, or corrosive atmosphere, or
where extreme temperatures may be present, is not recommended.
Introduction
How to purchase RD75 drivers.
The RD75 Dipole Baffle Study - Table of Contents.
Acoustic Line Source Research - Table of Contents.
