Martin Logan Theos (black)

Frequency Response

43–23,000 Hz ±3dB

Horizontal Dispersion

30°

Vertical Dispersion

44" (112cm) line source

High Frequency Transducer

XStat™ CLS™ electrostatic transducer

» Panel Dimensions

44" × 9.2" (111.8 × 23.4cm)

» Radiating Area

405 in² (2,616 cm²)

Low Frequency Transducer

8" (20.3cm) cast basket, high excursion, aluminum cone with extended throw drive assembly, non-resonance asymmetrical chamber format, down-firing bass reflex port.

Sensitivity

90 dB/2.83 volts/meter

Impedance

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

Recommended Amplifier Power

20‒400 watts per channel

Crossover Frequency

425Hz

Components

Custom-wound E-I core transformer, air core coils, polypropylene capacitors.

Inputs

Custom 5-way bi-wire tool-less binding posts

Power Draw

Idle: < 1W/channel Max: 2W/channel

Weight

43 lbs. (19.5 kg)

Dimensions

59.3" × 10.7" × 18.8" (150.7cm × 27.3cm × 47.8cm)