Specification Sheet

• 3x drivers
• 1x tweeter: Folded Motion
®
XT Obsidian
• 2x mid/bass: 5.5-inch
• Unidirectional carbon ber multi-section
cones with Nomex
®
backers
• Vojtko™ crossover network constructed
from audiophile-grade components
• Phenolic bae
• Sealed back box
• Die-cast aluminum mounting-lock system
• Pre-install brackets (sold separately)
SPECIFICATIONS
Frequency Response 78–25,000 Hz ± 3 dB
Tweeter Dispersion
(horizontal x vertical)
80° x 30°
Sensitivity 94 dB @ 2.83 volts/ meter
Impedance 4 ohms. Compatible with
4, 6, or 8 ohm rated amps.
Crossover Frequency 2400 Hz
Tweeter Aiming Rotatable tweeter for horizontal
or vertical installations
High-Frequency Driver 1.25 x 2.4 inch (3.2 x 6.1 cm)
Folded Motion XT Obsidian
transducer with 4.5 x 2.75 inch
(11.4 x 7 cm) diaphragm.
Low-Frequency Drivers Two 5.25-inch (13.33 cm) black
unidirectional carbon fiber
multi-section cone with Nomex
®
backer and cast aluminum
basket, sealed back chamber
format. Concave dust cap.
Binding Post Inputs Push style
Components Custom air core coil inductors,
polypropylene film capacitors,
and low DF electrolytic capacitors.
Thermal/current protection.
Suitable Amplifier Range 20–250 watts
Max Power Handling 125 wat ts
Weight 15.5 lb (7 kg)
Overall Size
(height x width x depth)
15.98 x 9.94 x 4.11 inch
(405.95 x 252.6 x 104.3 mm)
Required Opening
(including tolerance)
14.66 x 8.64 inch
(372 x 219 mm)
Projection From
the Wall Surface
0.31 inch
(7.8 mm)
Depth Required Behind
the Wall Surface
3.8 inch
(96.5 mm)
Optional Accessories Pre-install bracket (PN: 3XWBRK)
State-of-the-art Truth in Sound—from extreme home theater to transcendent
two-channel listening, the Masterpiece™ CI Series oers the biggest, boldest,
and most lifelike performance possible. A tribute to the acoustic achievements
of MartinLogan’s original iconic masterpiece, our electrostatic speakers.
™