MartinLogan Descent i [23/28] Specifications
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MartinLogan Descent i [23/28] Specifications

MartinLogan Descent i [23/28] Specifications
General Information 23
System Frequency Response
18–120 Hz ± 3 dB. Anechoic through the LFE effects input.
Low Pass Filter Frequencies
30, 35, 45, 55, 65, 80Hz
High Pass Filter Frequencies
Bypass, 40Hz, 70Hz
Phase
0°, 90°, 180°, 270°
25Hz & 50Hz Level
±10dB
Power
On, Auto, Standby
Components
3 × 10” (25.4cm) high-excursion, aluminum cone with
extended throw driver assembly, sealed non-resonant
asymmetrical chamber format
Amplifiers
3 × 250W (at < 0.24%THD)
3
× 700W (peak) / 2100W (peak, system total)
Inputs
Left/Right RCA Line Level, RCA & XLR LFE, Speaker Level
Output
RCA Sub Out (all inputs summed), RCA Right/Left (with
High Pass Filter)
Input Impedance
20,000 Ohms
Power Draw
Max: 750 Watts; Idle: 30 Watts; Standby: 10 Watts
Weight
105 lbs. each (47.7 kg)
Size
21.4" inches H x 20.5" inches W x 19.9" inches D
(54.4cm H x 51.9cm W x 50.5cm D)
*Specifications are subject to change without notice.
Your subwoofer is provided with an automatic Limited 90 Day Warranty
coverage. You have the option, at no additional charge, to receive
Limited 3-Year Warranty coverage. To obtain the Limited 3-Year
Warranty coverage you need to complete and return the Certificate of
Registration, included with your subwoofer, and provide a copy of your
dealer receipt, to MartinLogan within 30 days of purchase.
For your convenience MartinLogan also offers online warranty registra-
tion at www.martinlogan.com.
MartinLogan may not honor warranty service claims unless we have a
completed Warranty Registration card on file! If you did not receive
a Certificate of Registration with your new subwoofer you cannot be
assured of having received a new unit. If this is the case, please contact
your authorized MartinLogan dealer.
Serial Number
Descent i’s serial number is located near the bottom of the backplate.
Each individual unit has a unique serial number.
Service
In the rare event that your MartinLogan product should require service
please contact the dealer from whom the product was purchased. In
most cases your dealer will be able to assist you in troubleshooting and
resolving the issue. If the dealer is unable resolve the issue or if there
is no local dealer in your area contact MartinLogan customer service
directly by using the service request form at www.martinlogan.com or by
calling 785-749-0133.
Before returning any product to MartinLogan for service first contact the
service department for an RMA number. Incoming shipments will only
be accepted if labeled with a MartinLogan issued RMA number.
Before returning this product to MartinLogan for service first contact the
service department to receive a shipping kit which will include packing
straps and packing instructions.
Should you be using a MartinLogan product in a country other than the
one in which it was originally purchased, please 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 originally purchased the end user may
seek to have repairs performed by the nearest MartinLogan distrib-
utor, subject to that distributor's local servicing policies. All cost of
repairs (parts, labor, transportation) must be born by the owner of
the MartinLogan product.
3 If, after owning your MartinLogan product for six months, you relo-
cate to a country other than the one in which it was purchased, your
warranty may be transferable. Contact MartinLogan for details.
GENERAL INFORMATION
Specifications* Warranty and Registration

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