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McIntosh Laboratory, Inc. 2 Chambers Street Binghamton, New York 13903-2699 Phone: 607-723-3512 www.mcintoshlabs.com
XRT2.1K
Left and Right
Loudspeaker System
Owner’s Manual
2
Caution: The XRT2.1K weight is 353.2 pounds
(160.2 kg). It requires four or more per-
sons to safely handle the Loudspeaker
System.
1. For additional connection information, refer to the
owner’s manual(s) for any component(s) connected
to the XRT2.1K Left and Right Loudspeakers.
2. The design of the XRT2.1K Loudspeaker took into
account the acoustic characteristics of the Front
Panel Grille and it should be attached to the Loud-
speaker for the best sonic performance.
3. If there is an obvious lack of high, mid or low
frequencies after extended periods of overdrive,
the Protection Device(s) may have activated. These
devices will automatically reset when the volume
level is greatly reduced until the output of the af-
fected Loudspeaker Driver(s) returns to normal.
4. If it should become necessary to replace the sup-
plied Input Terminal Connection Jumper Cables,
order part number 320633SP from the McIntosh
Parts Department:
5. When discarding the unit, comply with local rules
or regulations. Batteries should never be
thrown away or incinerated but disposed
of in accordance with the local regulations
concerning battery disposal.
6. For additional information on the XRT2.1K and
other McIntosh Products please visit the McIntosh
Web Site at www.mcintoshlabs.com.
XRT2.1K Loudspeaker Unpacking Information
Guide
(Separate Sheet in all three Shipping Cartons)
Safety Instructions ..................................................... 2
(Separate Sheet) ................... Important Additional
Operation Information Guide
Thank You and Please Take a Moment 2 ......................
Technical Assistance and Customer Service 2 .............
Table of Contents, General Information 2 ....................
Connector Information .............................................. 3
Introduction 3 ...............................................................
Dimensions ............................................................. 4-5
Assembling the Loudspeaker .................................. 6-8
Installation ................................................................. 9
How to Connect using a single Amplifier ...........10-11
How to Connect using two Amplifiers
and Room Correction Equalizer ....................... 12-13
How to Connect using a three Amplifiers ...........14-15
Specifications .......................................................... 16
Packing Instruction ............................................ 18-19
Table of Contents
Thank You
Please Take A Moment
Technical Assistance
If at any time you have questions about your McIntosh
product, contact your McIntosh Dealer who is familiar
with your McIntosh equipment and any other brands
that may be part of your system. If you or your Dealer
wish additional help concerning a suspected problem,
you can receive technical assistance for all McIntosh
products at:
McIntosh Laboratory, Inc.
2 Chambers Street
Binghamton, New York 13903
Phone: 607-723-3512
Fax: 607-724-0549
Customer Service
If it is determined that your McIntosh product is in
need of repair, you can return it to your Dealer. You
can also return it to the McIntosh Laboratory Service
Department. For assistance on factory repair return
procedure, contact the McIntosh Service Department
at:
McIntosh Laboratory, Inc.
2 Chambers Street
Binghamton, New York 13903
Phone: 607-723-3515
Fax: 607-723-1917
The serial number, purchase date and McIntosh Dealer
name are important to you for possible insurance
claim or future service. The spaces below have been
provided for you to record that information:
Serial Number: _______________________________
Purchase Date: _______________________________
Dealer Name: ________________________________
Copyright 2018 © by McIntosh Laboratory, Inc.
General Information
Your decision to own this McIntosh XRT2.1K Left
and Right Loudspeaker System ranks you at the very
top among discriminating music listeners. You now
have “The Best.” The McIntosh dedication to “Qual-
ity,” is assurance that you will receive many years of
listening enjoyment from this unit.
Please take a short time to read the information in
this manual. We want you to be as familiar as pos-
sible with all the features and functions of your new
McIntosh.
Important Safety Information is supplied in a separate document “Important Additional Operation Information Guide”
3
The resistors used
in the crossovers have
a built-in heatsink to
maintain their resis-
tance values while at
the same time handles
high power levels.
The crossover net-
work also employs self
resetting high current
PTC type fuses to pro-
vide an extra measure
of protection for the
Loudspeaker Drivers.
The enclosure is
an important part of
the XRT2.1K Loud-
speaker System. It has
multiple front to back
and side to side inter-
nal braces to form a
dampened rigid Loud-
speaker enclosure.
The Loudspeaker’s
small footprint allows
for a variety of differ-
ent placements in a
room.
Power Control Connector
The Power Control Output Jack sends Power On/
Off Signals (+12 Volt/0 Volt) when
another McIntosh Component is
connected. A 3.5mm stereo mini
phone plug is used for connection to
the Power Control Output.
Input Terminal Connector
When cables with spade lugs are used
for Loudspeaker Connection, the spade
lugs need an opening of at least 3/10 inch
(7.6mm).
Connector/Cable Information
McIntosh Acoustic Engineers have achieved a very
high level of acoustic performance in the Asymmetri-
cal design of the XRT2.1K Left and Right Loudspeak-
er System which is based upon the last three and one-
half decades of Loudspeaker Systems. The XRT2.1K
provides superior spaciousness sound reproduction
with unusual sound stage depth in a
full range system.
The XRT2.1K utilizes Forty-Five
3/4 of an inch Alu-Magnesium Al-
loy Dome Tweeters. Refer to figure
1. There are Twenty-Eight 2 inch
Alu-Magnesium Alloy Cone Upper
Frequency Midranges. Refer to figure
2. Since the audio power is distributed
among all the drivers, each driver
does not have to work as hard, result-
ing in greater power handling capabil-
ity, dramatic reduction in distortion
and greater dynamic range.
Introduction
The Low Frequency Mid-
range Driver Section of the
System consists of Two newly
designed 6.5 inch Long-Throw
Nanocarbon Fiber/Nomex/ Hon-
eycomb Fiber Sandwich Cone.
Refer to figure 3.
The Low Frequency Section
consists of Six 8 inch, Long-
Throw, Nanocarbon Fiber/Hon-
eycomb Fiber Sandwich Cone
Woofers.
Refer to
figure 4.
The
Crossover
Network
used in the
XRT2.1K
Loud-
speaker
System is
designed
to ensure an even frequency response over the entire
audible range. The Crossover Network utilizes Ca-
pacitors and Inductors with high performance and
high current capacity. Refer to figures 5, 6 and 7.
The XRT2.1K uses low loss (DCR) Inductors in the
crossover network. The type of Inductor used in each
section of the crossover network has been chosen with
special metallic cores for high linearity, even at high
power levels. This prevents distortion of the music at
any frequency. The Capacitors used are a special type
with oil cores between its metal plates which handles
high power, high voltage and prevents arcing to im-
prove the acoustic sound quality.
Introduction
Figure 1
Figure 2
Figure 3
Figure 4
Power
Control
Ground
N/C
3/10 of an inch
(7.6millimeters)
Figure 5
Figure 6
Figure 7

Produktspecifikationer

Varumärke: McIntosh
Kategori: högtalare
Modell: XRT2.1K

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