Spire

DISCONTINUED

Launched in 2008

Price when discontinued: Customizable, starting at
$8,495 per pair


Natural Cherry / Black Aluminum

Spire


25 Years of Passion, Pride, and Performance

The first new MartinLogan speaker of the CLX generation, Spire marks a new paradigm for high-performance sound. Crossover engineering derived from the CLX loudspeaker seamlessly blends the high-resolution XStat™ and PoweredForce™ drivers.


Choose a Finish


Natural Cherry / Black Aluminum Dark Cherry / Black Aluminum Black Ash / Black Aluminum Maple / Black Aluminum Birds Eye Maple / Black Aluminum Bubinga / Black Aluminum





Frequency Response

29–23,000 Hz ±3dB

Horizontal Dispersion

30°

Vertical Dispersion

44" (112cm) line source

High Frequency Transducer

XStat™ CLS™ electrostatic transducer

» Panel Dimensions

44" × 11.3" (111.8 × 28.7cm)

» Radiating Area

497 in2 (3,209 cm2)

Low Frequency Transducer

10" (25.4cm) cast basket, high excursion, aluminum cone with extended throw drive assembly, non-resonance asymmetrical chamber format

Amplifier

Woofer: 200 watts/channel (4 ohms)

Sensitivity

91 dB/2.83 volts/meter

Impedance

4 Ohms, 0.8 at 20kHz. Compatible with 4, 6, or 8 Ohm rated amplifiers.

Recommended Amplifier Power

20‒500 watts per channel

Crossover Frequency

320Hz

Components

Custom-wound audio transformer, air core coils, polypropylene capacitors

Audio Controls

±10dB at 35 Hz

Lighting

Light intensity dimmer control

Inputs

Custom 5-way bi-wire binding posts

Weight

58 lbs. (26.3 kg)

Dimensions

59" × 12.5" × 17.75"
(150cm × 32cm × 45.1cm)

Specifications are subject to change without notice.



 
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