Coverage of frequency range from 20 to 20khz can be improved by using a small midrange driver from 400hz to 2khz. My previous attempt of building dipoles used the venerable Seas Excel W22. I felt they were pushed to high. The tradeoff of 4-way dipoles are complexity and more difficult design process to take account of polar response changes. Yet these cheaper drivers (P13WH and L21RNX/P) perform better as each only need to reproduce 2 octaves.
Specifications
Topology: Active 4-way
Radiation pattern: Dipole
Directivity: Dipole from 20hz - 2khz transitioning to dipolar to 20khz
Frequency response: 20hz - 20khz. LFE Q of 0.707
Sensititivity: ~88dB
Dimension (H, W, D): 120 x 29 x 33 (cm)
Amplifiers: 8-Channels required (2x stereo amps)
Crossover: DSP, 2x (MiniDSP + 2way Advanced Plugin)
... to be continued
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