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General Information 25
System Frequency Response:
24–23,000 Hz ± 3db
Dispersion
Horizontal: 30 Degrees
Vertical: 44” (112 cm) line source
Sensitivity
91 dB/2.83 volts/meter
Impedance
Nominal: 4 ohms
Minimum: 0.8 ohms @ 20 kHz
Crossover Frequency
270 Hz
Components
Custom-wound audio transformer, air core coils, poly-
propylene capacitors
Woofer Type
Two 10” (25.4 cm) cast basket, high excursion, aluminum
cone with extended throw driver assembly, non-reso-
nance asymmetrical chamber format
Woofer Amp Power
Two 200 watts/channel (4 ohms)
Controls
Bass: ±10dB at 25Hz and 50Hz
Lights: On/off for all accent lights
Power Handling
300 watts per channel
Signal Inputs
Custom single-wire binding posts
Mains Power Draw
Standby: 1W each
Max: 350W each
Weight
75 lbs. each (34 kg)
Size*
60.9” h × 12.7” w × 21.3” d (154.8 h × 32.2 w × 54 d cm)
*For detailed dimensional drawings, please see page 26.
Your Summit X speakers are provided with an automat-
ic Limited 90 Day Warranty coverage. You have the
option, at no additional charge, to receive a Limited
5 Year Warranty coverage. To obtain the Limited
5 Year Warranty coverage you need to complete and
return the Certificate of Registration, included with your
speakers, and provide a copy of your dealer receipt, to
MartinLogan within 30 days of purchase. For your conve-
nience MartinLogan also offers online warranty registration at
www.martinlogan.com.
MartinLogan may not honor warranty service claims unless
we have a completed Warranty Registration on file! If
you did not receive a Certificate of Registration with your
new Summit X, speakers you cannot be assured of having
received new units. If this is the case, please contact your
authorized MartinLogan dealer.
Serial Number
Summit X’s serial number is located near the bottom of the
backplate. Each individual unit has a unique serial number.
Service
Should you be using your MartinLogan product in a country
other than the one in which it was originally purchased,
we ask that you note the following:
1 The appointed MartinLogan distributor for any given
country is responsible for warranty servicing only on
units distributed by or through it in that country in
accordance with its applicable warranty.
2 Should a MartinLogan product require servicing in
a country other than the one in which it was origi-
nally purchased, the end user may seek to have repairs
performed by the nearest MartinLogan distributor, sub-
ject to that distributor’s local servicing policies, but all
cost of repairs (parts, labor, transportation) must be
borne by the owner of the MartinLogan product.
3 If, after owning your speakers for six months, you
relocate to a country other than the one in which
you purchased your speakers, your warranty may be
transferable. Contact MartinLogan for details.
*Specifications are subject to change without notice.
general InformatIon
Specifications* Warranty and Registration