MartinLogan Descent [17/20] General information
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The high-resolution, servo-controlled Descent subwoofer
system consists of multiple woofers for high SPL output
with minimal distortion. The woofers are arranged in a
BalancedForce array that dramatically lowers cabinet
vibrations. This approach leads to tight, well-defined and
deep bass output. The equalization used is specifically
designed to counteract the response of the woofers sealed
box response. This equalization leads to minimal group
delay and proper transient response.
System Frequency Response
20–150 Hz ± 3 dB. Anechoic through the LFE effects input.
Crossover Frequency
40Hz, 70Hz
Phase
0°, 90°, 180°, 270°
Components
3 × 10” (25.4cm) high-excursion, aluminum cones with extend-
ed throw driver assembly in a BalancedForce™ array
Amplifier
400 watts RMS (800 watts peak); 0.07% THD
Inputs
RCA Line Level; RCA and XLR LFE
Output
RCA
Weight
95 lbs. each (43.2 kg)
Size
20 inches W × 18.25 inches D × 21.75 inches H
(50.8 cm W × 46.4 cm D × 55.3 cm H)
Your Descent subwoofer is provided with an automatic Limited
90 Day Warranty coverage.
You have the option, at no additional charge, of receiving
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.
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 Descent subwoofer you cannot be assured of having
received a new unit. If this is the case, please contact your
authorized MartinLogan dealer.
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 accor-
dance 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 per-
formed by the nearest MartinLogan distributor, subject
to that distributor's local servicing policies, but all cost
of repairs (parts, labor, transportation) must be born by
the owner of the MartinLogan product.
3 If, after owning your subwoofer for six months, you relocate
to a country other than the one in which you purchased
your subwoofer, your warranty may be transferable.
Contact MartinLogan for details.
General Information 17
GENERAL INFORMATION
Warranty and RegistrationSpecifications
Содержание
- E s c e n t 1
- Front cover 1
- U s e r s m a n u a l 1
- Contents 2
- Ontents 2
- Installation in brief 3
- Nstallation i 3
- Introduction 4
- Ntroduction 4
- About the controls 5
- Bout th 5
- Ontrols 5
- Before connecting the descent 6
- Channel mode 6
- Connections and control settings 6
- Ettings 6
- Onnections an 6
- Multi channel mode 7
- Channel multi channel mode 8
- Using multiple descents 9
- Ac power connection 10
- Ac power connection replacing the fuse 10
- Break in 10
- Replacing the fuse 10
- Ask your dealer 11
- Enjoy yourself 11
- Installing the descent in a cabinet 11
- Lacement 11
- Listening position 11
- Placement 11
- Coustics 12
- Terminology 12
- Your room 12
- Solid footing 13
- Heater 14
- Home theater 14
- Balancedforce for cleaner bass low pass filters maximize blending 15
- Balancedforcež for cleaner bass 15
- Descent advantages 15
- Dvantages 15
- Hz level control 15
- Low pass filters maximize blending 15
- Proprietary switching amplifier 15
- Servo controlled dynamic drivers 15
- Faq troubleshooting 16
- Frequently asked questions troubleshooting 16
- Requentl 16
- Roubleshooting 16
- Uestion 16
- General information 17
- Nformation 17
- Service 17
- Specifications 17
- Warranty and registration 17
- Warranty and registration specifications 17
- Glossary of audio terms 18
- Lossary o 18
- A r t i 20
- Back cover 20
- O g a n 20
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