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When used as main front channels, stands with a height of 20” to 24” are
ideal for listener distances of 8 feet or greater. The design objectives are
to provide good sensitivity and broad dynamic range in a compact and
affordable design while maintaining uniform power response on axis.
The two-way system is crossed over at 2.8 kHz and has a minimum
impedance of 4.5 ohms. Sensitivity exceeds 90 dB at 2.83 volts/1m.
The vertical lobbing pattern is designed to provide a 30” listening window,
about 18 degrees, (from 30” to 60” off the floor when speakers are located
on 24” H stands at a listener distance of 2.5 meters).
Quite unusual for a two-way, the drivers are polarized in-phase/ in-phase,
thus providing exceptional transient response. The high pass section is
second order with a level pad and two equalization stages. The low pass
section is effectively first order electrically with phase compensation (not a
conventional Zobel) to marry the, drivers together.
In addition, there is a LF high pass section for the woofer (switch 1) which
simply allows some shelving if utilized with a subwoofer.
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