Specifications

System Frequency Response:
35–20,000 Hz ± 3db
Sensitivity
92 dB/2.83 volts/meter
Impedance
4 ohms
Crossover Frequency
2,200 Hz
Components
Air core coils and large steel laminate inductor, polyester
film capacitors in series and low DF electrolytic capacitors
High Frequency Driver
1.5” x 2.25” (3.8cm x 5.7cm) ATF Transducer
Woofer Type
Three 6.5” (16.5 cm) cast basket, paper-cone, non-resonant
asymmetrical chamber format.
Power Handling
200 watts per channel
Weight
46 lbs. each (20.9 kg)
Size
39.6” h x 9” w x 17” d
(100.6 h x 22.9 w x 43.3 d cm)
*Specifications are subject to change without notice.
Your Preface speakers are provided with an automatic
Limited 90 Day Warranty coverage. You have the
option, at no additional charge, to receive a Limited
5 Year Warranty coverage. To obtain the Limited
5 Year Warranty coverage you need to complete and
return the Certificate of Registration, included with your
speakers, and provide a copy of your dealer receipt, to
MartinLogan within 30 days of purchase. For your conve-
nience MartinLogan also offers online warranty registration 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 Preface speakers you cannot be sure of having
received new units. If this is the case, please contact your
authorized MartinLogan dealer.
Serial Number
Preface’s serial number is located near the binding posts.
Each individual unit has a unique serial number.
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
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 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 speakers for six months, you
relocate to a country other than the one in which
you purchased your speakers, your warranty may be
transferable. Contact MartinLogan for details.
Specifications* Warranty and Registration
12 General Information
general InformatIon