MARTIN LOGAN AERIUS I

Second-hand, in good condition, both speakers have some scratches (see pictures). Without their original package.
Floorstanding loudspeakers


A transducer equal in precision to the most expensive world-class competitors, housed in our most affordable package. Complementing any environment, the Aerius i requires less than one square foot of floor space, allowing easy placement from small apartments to dedicated listening rooms. Available in black lacquer or hand finished oak hardwood trim.
A marvel in size, technology, and price. The Aerius i requires only 1 square foot of floor space making it an outstanding choice for small apartments and dedicated home theaters.
Available in matte black with a variety of hand-finished hardwood trim options. Aerius i is both single and bi-wire stereo capable.


Specifications
Frequency Response 40–20,000 Hz ±3dB
Horizontal Dispersion 30°
Vertical Dispersion 42" (106.7cm) line source
High Frequency Transducer 42" (106.7cm) CLS™ electrostatic transducer
Low Frequency Transducer 8" (20.3cm) high excursion, high rigidity cone with extended throw driver assembly, non-resonant asymmetrical chamber format;
Sensitivity 89dB/2.83 volts/meter
Impedance 4 Ohms, 1.7 at 20kHz. Compatible with 4, 6, or 8 ? rated amplifiers.
Recommended Amplifier Power 20???400 watts per channel
Crossover Frequency 450 Hz
Components Custom wound audio transformer, polypropylene capacitors, air core coils
Inputs 5-way bi-wire binding posts
Weight 55 lbs. (25 kg)
Dimensions 55.5" × 10.5" × 12.5" (141cm × 26.7cm × 31.75cm)