Brown Button Estate Sales
Timed Auction

$2.5M Hallbrook Leawood Luxury 10,600 Sq. Ft. Online Estate Sale

Fri, Aug 22, 2025 02:00PM EDT - Sun, Aug 24, 2025 08:00PM EDT
Lot 29

Pair of MartinLogan Quest Z Electrostatic Floor Speakers - 72" Tall

Sold for

Bid Increments

Price Bid Increment
$0 $1
$5 $5
$50 $10
$100 $25
$500 $50
$1,000 $100
$10,000 $500
$20,000 $1,000
$50,000 $2,500
$75,000 $5,000
$100,000 $10,000

Pair of MartinLogan Quest Z Electrostatic Floor Speakers. Serial number QEDE020.

Each measures 72.75" × 19" × 13"

Tested and working. 

Directly from the manufacturer:

Truth can be revealed only through uncompromised commitment to the highest 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.

Specifications

Specifications are subject to change without notice

Frequency Response

28–22,000 Hz ±3dB

Recommended Amplifier Power

20‒400 watts per channel

Horizontal Dispersion

30°

Vertical Dispersion

48" (121.92cm) line source

Sensitivity

90 dB/2.83 volts/meter

Impedance

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

Crossover Frequency

150 Hz at 12dB per octave

High Frequency Transducer

48" (121.92cm) CLS™ electrostatic transducer

Low Frequency Transducer

12" (30.5cm)

Components

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

Inputs

5-way bi-wire binding posts

Weight

115 lbs. (52.2 kg)

Dimensions

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

 

Condition

Very good with no signs of wear. Tested and working. 

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