MartinLogan Purity Fully Powered Hybrid Electrostatic Loudspeaker User Manual
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Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation in Brief. . . . . . . . . . . . . . . . . . . . 4
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 5
Connections & Controls . . . . . . . . . . . . . . . . 6
AC Power Connection
Status Light
Line Level (RCA) Connection
Speaker Level Connection . . . . . . . . . . . . . . . . . . . . 7
Bass Level Control
Break-In
Placement & Room Acoustics . . . . . . . . . . . . 8
Listening Position
The Wall Behind the Listener 
The Wall Behind the Speakers 
The Side Walls 
Experimentation 
Final Placement . . . . . . . . . . . . . . . . . . . . . . . . . . 9
The Extra “Tweak” . . . . . . . . . . . . . . . . . . . . . . . 10
Your Room
Terminology 
Rules of Thumb . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Dipolar Speakers and Your Room
Solid Footing
Dispersion Interactions . . . . . . . . . . . . . . . . 12
Controlled Horizontal Dispersion
Controlled Vertical Dispersion
Three Major Types of Dispersion
Home Theater . . . . . . . . . . . . . . . . . . . . . . 13
Electrostatic Advantages . . . . . . . . . . . . . . 14
MartinLogan Exclusives . . . . . . . . . . . . . . . 15
Full Range Operation
CLS™ (Curvilinear Line Source) . . . . . . . . . . . . . . . 16
Generation 2 Diaphragm
MicroPerf Stator
The lightning bolt flash with arrowhead symbol, within
an equilateral triangle, is intended to alert the user to 
the presence of uninsulated “dangerous voltage” within 
the product’s enclosure that may be of sufficient magni-
tude to constitute a risk of electric shock.
Vacuum Bonding
AirFrame™ Technology
Electrostatic Loudspeaker History . . . . . . . . 17
Frequently Asked Questions. . . . . . . . . . . . 19
Troubleshooting . . . . . . . . . . . . . . . . . . . . . 21
General Information . . . . . . . . . . . . . . . . . 22
Specifications
Warranty and Registration
Serial Number
Service 
Dimensional Drawings . . . . . . . . . . . . . . . . 23
Glossary of Audio Terms . . . . . . . . . . . . . . 24
Notes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
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 direc-
tive, require special reuse and recycling processing.
For this reason MartinLogan has arranged with our 
distributors 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 purchased this product, email [email protected] 
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.
The exclamation point within an equilateral triangle is 
intended to alert the user to the presence of important 
operating and maintenance (servicing) instructions in 
the literature accompanying the appliance.
WARNING! Do not use your Purity loudspeakers outside of the country of original sale—voltage requirements 
vary by country. Improper voltage can cause damage that will be potentially expensive to repair. The Purity is 
shipped to authorized MartinLogan distributors with the correct power supply for use in the country of intended 
sale. A list of authorized distributors can be accessed at www.martinlogan.com or by emailing info@martinlogan.
C
ONTENTS
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