General Information, Specifications, Service

GENERAL INFORMATION

Specifications*

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.

Warranty and Registration

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:

1The 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.

2Should 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.

3If, 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.

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