Quest z


Launched in 1993

Price when discontinued: Customizable, starting at
$4,295 per pair

Quest z

Ascent to Mastery

Truth can be revealed only through uncompromised commitment to the higest concepts. The Quest z recreates musical truth through proprietary Electrostatic Loudspeaker Technology available only from MartinLogan. Daring in both form and function, the Quest z delivers everything from the most delicate detail to the most inspired crescendo.

Frequency Response

28–22,000 Hz ±3dB

Horizontal Dispersion


Vertical Dispersion

48" (121.92cm) line source

High Frequency Transducer

48" (121.92cm) CLS™ electrostatic transducer

Low Frequency Transducer

12" (30.5cm)


90 dB/2.83 volts/meter


Nominal: 4 Ohms
Minimum: 1.5 Ohms. Compatible with 4, 6, or 8 Ohm rated amplifiers.

Recommended Amplifier Power

20‒400 watts per channel

Crossover Frequency

150 Hz at 12dB per octave


Custom wound audio transformers polypropylene capacitors, air core coils

Audio Controls

Bass Contour Switch: -5dB from 60–150 Hz
Presence Contour Switch: +2dB from 1,000–5,000 Hz


5-way bi-wire binding posts


115 lbs. (52.2 kg)


72.75" × 19" × 13"
(184.8cm × 48.3cm × 33cm)

Specifications are subject to change without notice.

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