MartinLogan Motion 20i, Motion 40i, Motion 60XTi, Motion 30i, Motion 50XTi Brochure
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Motion 15i Motion 35XTi Motion 30i Motion 50XTi Motion 20i Motion 40i Motion 60XTi
Application Bookshelf Bookshelf Center Channel Center Channel Floorstanding Floorstanding Floorstanding
Frequency Response 60–25,000 Hz
Dispersion 80° x 80° 80° x 30° 80° x 80° 80° x 30° 80° x 80° 80° x 80° 80° x 30°
Sensitivity 92 dB @ 2.83 volts/ meter 92 dB @ 2.83 volts/ meter 91 dB @ 2.83 volts/ meter 94 dB @ 2.83 volts/ meter 90 dB @ 2.83 volts/ meter 92 dB @ 2.83 volts/ meter 94 dB @2.83 volts/ meter
Impedance 5 Ohms. Compatible with 4, 6,
or 8 Ohm rated amplifiers.
Crossover Frequency 2,700 Hz 2,200 Hz 400 & 2,600 Hz 900 & 2,200 Hz 500 & 2,600 Hz 500 & 2,600 Hz 400 & 2,200 Hz
High Frequency Driver 1” x 1.4” (2.6cm x 3.6cm)
Folded Motion Transducer
with 5.25” x 1.75” (13.3cm x
4.4cm) diaphragm.
Mid Frequency Driver — — — — — 5.5” (14cm) aluminum cone
Low Frequency Drivers 5.25” (13.3cm) aluminum cone
with cast aluminum basket.
Non-resonant asymmetrical
chamber format. Rigid structured dust cap to reduce cone
break-up modes.
Cabinet Ported Ported Ported Ported Ported Ported Ported
Components Custom air core coil and low
DCR steel laminate inductors.
Polypropylene film capacitors
in series and low DF electrolytic capacitors in parallel.
Overall system thermal/
current protection.
Recommended Amp Power 20–200 watts 20–250 watts 20–200 watts 20–300 watts 20–200 watts 20–300 watts 20–400 watts
Binding Post Inputs Custom 5-way tool-less
binding posts
Weight 12 lbs. (5.4 kg) 17 lbs. (7.7 kg) 18 lbs. (8.2 kg) 29 lbs. (13.2 kg) 33 lbs. (15 kg) 45 lbs. (20.4 kg) 66 lbs. (30 kg)
Dimensions (HxWxD) 11.42” x 6.81” x 9.38”
(290 x 173 x 238.25 mm)
±3 dB
50–25,000 Hz
4 Ohms. Compatible with 4, 6
or 8 Ohm rated amplifiers.
1.2” x 2.4” (3.2cm x 6.1cm)
Folded Motion Transducer
with 4.5” x 2.75” (11.4cm x
7cm) diaphragm.
6.5” (16.5cm) aluminum cone
with cast polymer basket.
Non-resonant asymmetrical
chamber format. Rigid structured dust cap to reduce cone
break-up modes.
Custom air core coil and low
DCR steel laminate inductors.
Polypropylene film capacitors
in series and low DF electrolytic capacitors in parallel.
Tweeter thermal/current
protection.
Custom 5-way bi-wire tool-less
binding posts
13.5” x 7.56” x 11.68”
(343 x 192 x 296.75 mm)
Specifications are subject to change without notice. | ©2019 MartinLogan Ltd. | Lawrence, Kansas, USA | www.martinlogan.com
±3 dB
65–25,000 Hz
4 Ohms. Compatible with 4, 6
or 8 Ohm rated amplifiers.
1” x 1.4” (2.6cm x 3.6cm)
Folded Motion Transducer
with 5.25” x 1.75” (13.3cm x
4.4cm) diaphragm.
Two 5.5” (14cm) aluminum
cone with cast polymer basket.
Non-resonant asymmetrical
chamber format. Rigid structured dust cap to reduce cone
break-up modes.
Custom air core coil and low
DCR steel laminate inductors.
Polyester film capacitors
in series and low DF electrolytic capacitors in parallel.
Tweeter thermal/current
protection.
Custom 5-way tool-less
binding posts
6.89” x 16.54” x 10.16”
(174.95 x 420 x 258 mm)
±3 dB
50–25,000 Hz
4 Ohms. Compatible with 4, 6
or 8 Ohm rated amplifiers.
1.2” x 2.4” (3.2cm x 6.1cm)
Folded Motion Transducer
with 4.5” x 2.75” (11.4cm x
7cm) diaphragm.
Two 6.5” (16.5cm) aluminum
cone with cast polymer basket.
Non-resonant asymmetrical
chamber format. Rigid structured dust cap to reduce cone
break-up modes.
Custom air core coil and low
DCR steel laminate inductors.
Polypropylene film capacitors
in series and low DF electrolytic capacitors in parallel.
Tweeter thermal/current
protection.
Custom 5-way bi-wire tool-less
binding posts
7.56” x 22.83” x 12.52”
(192 x 580 x 318 mm)
±3 dB
46–25,000 Hz
4 Ohms. Compatible with 4, 6
or 8 Ohm rated amplifiers.
1” x 1.4” (2.6cm x 3.6cm)
Folded Motion Transducer
with 5.25” x 1.75” (13.3cm x
4.4cm) diaphragm.
Two 5.5” (14cm) aluminum
cone with cast polymer basket.
Non-resonant asymmetrical
chamber format. Rigid structured dust cap to reduce cone
break-up modes.
Custom air core coil and low
DCR steel laminate inductors.
Polyester film capacitors
in series and low DF electrolytic capacitors in parallel.
Tweeter thermal/current
protection.
Custom 5-way bi-wire tool-less
binding posts
36.56” x 6.81” x 11.78”
(928.74 x 173 x 299.21 mm)
±3 dB
40–25,000 Hz
4 Ohms. Compatible with 4, 6
or 8 Ohm rated amplifiers.
1” x 1.4” (2.6cm x 3.6cm)
Folded Motion Transducer
with 5.25” x 1.75” (13.3cm x
4.4cm) diaphragm.
with cast polymer basket.
Non-resonant asymmetrical
chamber format. Rigid structured dust cap to reduce cone
break-up modes.
Two 6.5” (16.5cm) aluminum
cone with cast polymer basket.
Non-resonant asymmetrical
chamber format. Rigid structured dust cap to reduce cone
break-up modes.
Custom air core coil and low
DCR steel laminate inductors.
Polyester film capacitors
in series and low DF electrolytic capacitors in parallel.
Tweeter thermal/current
protection.
Custom 5-way bi-wire tool-less
binding posts
42.49” x 7.56” x 12.81”
(1079.12 x 192 x 325.25 mm)
±3 dB
35–25,000 Hz
4 Ohms. Compatible with 4, 6
or 8 Ohm rated amplifiers.
1.25” x 2.4” (3.2cm x 6.1cm)
Folded Motion Transducer
with 4.5” x 2.75” (11.4cm x
7cm) diaphragm.
6.5” (16.5cm) aluminum cone
with cast polymer basket.
Sealed chamber format. Rigid
structured dust cap to reduce
cone break-up modes.
Two 8” (20.3cm) aluminum
cone with cast aluminum basket.
Non-resonant asymmetrical
chamber format. Rigid structured dust cap to reduce cone
break-up modes.
Custom air core coil and low
DCR steel laminate inductors.
Polypropylene film capacitors
in series and low DF electrolytic capacitors in parallel.
Tweeter thermal/current
protection.
Custom 5-way bi-wire tool-less
binding posts
47.95” x 11.42” x 14.38”
(1217.93 x 290 x 320 mm)
±3 dB
The New Look of
Proven Performance.
®
Motion
Series martinlogan.com
Motion 20i • Motion 40i • Motion 60XTi
Motion 30i • Motion 50XTi
Motion 15i • Motion 35XTi
A MODERN TAKE ON A CLASSIC DESIGN.
Since its introduction, the Motion Series has garnered acclaim for its
performance and value. Reviewers loved its “incredibly lifelike tonality
and imaging,”
“Easily one of the best speakers I’ve tested,”
1
“excellent bass,”2 and “sharply defined soundstage.”3
1
one reviewer said, and
“you’re really getting a whole lot of speaker for your hard-earned
money,”
4
said another.
So when it came time to introduce a new generation of the Motion
Series, we decided not to mess with a good thing. Today’s modern,
multi-application speakers utilize the same classic performance technology as previous generations of the Motion Series, updated with
a stylish new enclosure design. The result is the same, but different;
familiar, but unexpected.
For music or home cinema, you’ll be moved by the performance of Motion speakers. Consider the fast transient response and distortion-free
output of the Folded Motion tweeters, a technology that mimics on a
small scale the performance of MartinLogan’s big electrostatic transducers. Also, consider the broad, realistic mid-range dynamics, smoothly
blended with deep, musical bass, thanks to the exacting tolerances of
custom, hand-built crossovers. All of these beloved ideals and more are
presented in an acoustically enhanced enclosure that proclaims: this is
today’s performance loudspeaker.
1. Brent Butterworth, HomeTheaterReview.com
2. Jared Rachwalski, Secrets of Home Theater & High Fidelity
3. David Martson, The Absolute Sound
4. Michael Trei, Sound & Vision
Rigid Steel
Housing
Aluminum Etched
Folded Polyamid
Diaphragm
Neodymium
Super Magnets
FOLDED MOTION TRANSDUCERS AT WORK.
Opposite charges attract. Like charges repel. The
neodymium magnets hold constant and opposing
charges. The circuit traces on the diaphragm are
given a charge that is continuously reversed with
the signal, causing the diaphragm to “squeeze”
air like an accordion.
AVAILABLE IN THREE STYLISH FINISHES.
Matte White, Red Walnut, and Gloss Black.
THE MOTION LEGACY.
The success of the Motion Series is directly attributed to its close relation to MartinLogan’s legendary ultra-high-end electrostatic loudspeakers.
The desire to transmute that level of performance into a more traditional
speaker at a more affordable price drove the initial design imperatives
that created the Motion Series.
Key to its success is the unique Folded Motion and Folded Motion XT tweeter
technology. This thin-film transducer design packs all the accuracy and delicacy
of an electrostatic panel into a small space. Crimping the dramatically lightweight film into an accordion-like structure increases the surface area, giving
Folded Motion tweeters 8–10 times more surface area than typical tweeters.
This ideal combination of light and large produces higher levels of accuracy,
more extended bandwidth, and higher output capability, all with a faster, more
efficient transient response, and virtually zero distortion. In these characteris
tics, the Folded Motion tweeter design can mimic the performance of a large
electrostatic panel in the confines of a more traditional loudspeaker enclosure.
By matching the Folded Motion tweeter to high-performance drivers and
woofer systems, with hand-built and custom tuned crossovers, the Motion
Series extended MartinLogan’s reputation beyond the realm of the world’s
finest electrostatic loudspeakers. Motion speakers continue that groundbreaking standard, delivering a richly detailed musical and cinematic
experience at an unrivaled price.
ALUMINUM CONE MID-FREQUENCY AND BASS DRIVERS.
Custom built, stiff and lightweight, low-distortion drivers with
high-power magnet structures. These deliver massive excursion
and sound output, preserve minute bass details, and maximize
power handling capability, all without a hint of distortion. A
unique concave dust cap design reinforces the strength and
rigidity of the cone while reducing break up modes.
PROPRIETARY VOJTKO™ CROSSOVER NETWORKS. Highquality polypropylene and low-DF electrolytic capacitors, custom wound inductors, and thermal and current protection for a
seamless sonic presentation. Straightforward topologies and
pragmatic, real-world voicing delivers reliable, realistic performance in any listening space.
PERFORMANCE-ENHANCING ENCLOSURE TECHNOLOGY.
Motion speakers feature reinforced baffles, virtually eliminating performance-robbing cabinet resonances. Elegant, understated new styling complements flat-panel televisions and other
high-end components. Motion 60XTi and 50XTi also feature
additional interior bracing.
CUSTOM 5-WAY TOOL-LESS BINDING POSTS. Ensure a secure connection, gold-plated for better signal transfer. Bi-wiring option on some models.
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