MartinLogan Descent i [4/28] Contents introduction
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4 Contents & Introduction
Contents & Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 4
Installation in Brief . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Controls and Connections . . . . . . . . . . . . . . . . . . . . . . . 6
Accessing the Control Panel
Control Panel
Rear Connection Panel . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2-Channel Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Multi-Channel Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2-Channel/Multi-Channel Mode . . . . . . . . . . . . . . . . . . 11
2-Channel Mode Using Speaker Level Inputs . . . . . . . . 12
2-Channel Mode With 2-Channel Output . . . . . . . . . . 13
Why the Filters Are Not Equal
Sub Out—Using Multiple Subwoofers . . . . . . . . . . . . . 14
AC Power Connection . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Replacing the Fuse
Break-In
Placement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Listening Position
Installing In A Cabinet
Ask Your Dealer
Enjoy Yourself
Room Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Your Room
Terminology
Solid Footing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Home Theater. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
MartinLogan Exclusives . . . . . . . . . . . . . . . . . . . . . . . . . 20
BalancedForce™ For Cleaner Bass
TriLinear™ Configuration
Servo-Controlled Dynamic Drivers
Proprietary Switching Amplifier
25Hz & 50Hz Level Control
Frequently Asked Questions & Troubleshooting . . . . 21
Dimensioned Drawings. . . . . . . . . . . . . . . . . . . . . . . . . 22
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Specifications
Warranty and Registration
Serial Number
Service
Glossary of Audio Terms . . . . . . . . . . . . . . . . . . . . . . . . 24
Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
CONTENTS & INTRODUCTION
Congratulations! You have invested in one of the
world's premier subwoofers.
The MartinLogan Descent i represents the culmination
of an intensive, dedicated research program directed
toward creating a world class reference subwoofer using
advanced technologies and without compromising dura-
bility, reliability, craftsmanship or aesthetics.
The Descent i subwoofer uses three custom 10-inch
high-excursion drivers in a BalancedForce™, TriLinear™
configuration, which dramatically reduces cabinet
vibrations, allowing deep, tight, well-defined bass. Servo-
control woofer technology minimizes distortion. Three
proprietary digital amplifiers drive the output stage with
precision and extremely high efficiency. Low-pass filtering
and phase control have been designed to make integrat-
ing the Descent i subwoofer with both MartinLogan and
non-MartinLogan products both seamless and simple.
The materials in your new Descent i subwoofer are of the
highest quality and will provide years of enduring enjoyment
and deepening respect. The cabinetry is constructed from the
highest quality composite material for acoustical integrity.
This User's Manual will explain in detail the operation of
your Descent i subwoofer and the philosophy applied to
its design. A clear understanding will help you obtain max-
imum performance and pleasure from this most exacting
subwoofer system.
In accordance with the European Union WEEE (Waste
Electrical and Electronic Equipment) directive effective
August 13, 2005, we would like to notify you that this
product may contain regulated materials which upon
disposal, according to the WEEE directive, require spe-
cial reuse and recycling processing.
For this reason MartinLogan has arranged with our distrib-
utors in European Union member nations to collect and
recycle this product at no cost to you. To find your local
distributor please contact the dealer from whom you pur-
chased this product, email info@martinlogan.com or visit
the distributor locator at www.martinlogan.com.
Please note, only this product itself falls under the WEEE
directive. When disposing of packaging and other related
shipping materials we encourage you to recycle these
items through the normal channels.
Содержание
- E s c e n 1
- Front cover 1
- Warning and settings 2
- Dedication 3
- Contents introduction 4
- Ntroduction 4
- Ontent 4
- Installation in brief 5
- Nstallation i 5
- Accessing the control panel 6
- Control panel 6
- Controls and connections 6
- Onnections 6
- Ontrols an 6
- Rear connection panel 8
- Channel mode 9
- Multi channel mode 10
- Channel multi channel mode 11
- Channel mode using speaker level inputs 12
- Channel mode with 2 channel output 13
- Why the filters are not equal 13
- Sub out using multiple subwoofers 14
- Ac power connection 15
- Break in 15
- Replacing the fuse 15
- Ask your dealer 16
- Enjoy yourself 16
- Installing in a cabinet 16
- Lacement 16
- Listening position 16
- Placement 16
- Coustics 17
- Room acoustics 17
- Terminology 17
- Your room 17
- Solid footing 18
- Heater 19
- Home theater 19
- Balancedforce for cleaner bass 20
- Hz 50hz level control 20
- Ml exclusives 20
- Proprietary switching amplifier 20
- Servo controlled dynamic drivers 20
- Trilinear configuration 20
- Xclusives 20
- Faq troubleshooting 21
- Frequently asked questions 21
- Frequently asked questions troubleshooting 21
- Requentl 21
- Roubleshooting 21
- Troubleshooting 21
- Uestion 21
- Dimensional drawings 22
- Imensiona 22
- Rawings 22
- 10 25 cm high excursion aluminum cone with extended throw driver assembly sealed non resonant asymmetrical chamber format 23
- Amplifiers 23
- Components 23
- General information 23
- General information 23 23
- High pass filter frequencies bypass 40hz 70hz 23
- Hz 50hz level 10db 23
- Input impedance 20 000 ohms 23
- Inputs left right rca line level rca xlr lfe speaker level 23
- Low pass filter frequencies 30 35 45 55 65 80hz 23
- Nformation 23
- Output rca sub out all inputs summed rca right left with high pass filter 23
- Phase 0 90 180 270 23
- Power draw max 750 watts idle 30 watts standby 10 watts 23
- Power on auto standby 23
- Serial number 23
- Service 23
- Size 21 inches h x 20 inches w x 19 inches d 54 cm h x 51 cm w x 50 cm d 23
- Specifications 23
- Specifications warranty and registration 23
- System frequency response 18 120 hz 3 db anechoic through the lfe effects input 23
- Warranty and registration 23
- Weight 105 lbs each 47 kg 23
- Glossary 24
- Lossary o 24
- Back cover 28
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