MartinLogan Quest Z loudspeaker Specifications

Sidebar 1: Specifications

Description: Hybrid loudspeaker system. Drive-units: 12" cone woofer in a sealed enclosure; electrostatic panel, 15" W by 44.5" H. Crossover frequency: 125Hz. Crossover slopes: second-order, 12dB/octave. Frequency response: 28Hz–22kHz, ±2dB. Presence control switch: +2dB, 1–5kHz. Bass control switch: –5dB, 60–150Hz. Nominal impedance: 8 ohms (minimum 2 ohms). Phase angle: less than 45 degrees. Sensitivity: 90dB/W/m (2.83V). Recommended amplifier power: 80–200Wpc.
Dimensions: 72.75" H by 19" W by 13" D. Weight: 125 lbs each.
Finishes available: light oak, dark oak, black; other custom-painted finishes are available to order.
Serial numbers of units tested: QEEA000/1-Z (bases), QSEA000/1 (panels).
Price: $3995/pair (custom finishes, $4500/pair) (1993); no longer available (2005). Approximate number of dealers: 65 (1993).
Manufacturer: MartinLogan Ltd., P.O. Box 707, Lawrence, KS 66044. Tel: (913) 749-0133. Fax: (913) 749-5320. Website:

P.O. Box 707
Lawrence, KS 66044
(913) 749-0133