McIntosh XR27 ユーザーズマニュアル
5
Introduction and Performance Features
Performance Features
•
Patented LD/HP Technology
The McIntosh Low Frequency and Midrange Loudspeaker
Elements feature the patented LD/HP Magnetic Circuit
Design. This design, when compared to conventional
Loudspeaker Elements, reduces distortion significantly. It
also increases power handling and efficiency.
Elements feature the patented LD/HP Magnetic Circuit
Design. This design, when compared to conventional
Loudspeaker Elements, reduces distortion significantly. It
also increases power handling and efficiency.
•
Neodymium-Iron-Boron Alloy Magnets
The five one inch Dome Tweeters use Neodymium-Iron-
Boron Alloy that has a high flux density per unit of volume
and helps to keep the weight to a minimum.
Boron Alloy that has a high flux density per unit of volume
and helps to keep the weight to a minimum.
•
Bessel Function Array
The individual tweeter amplitudes and phase relationships
of the five tweeter array are adjusted to act as a high
frequency point source
of the five tweeter array are adjusted to act as a high
frequency point source
•
Shielded Magnetic Field
The XR27 may be used in Home Theater Installations near
a television receiver or monitor without causing the
television image to degrade. McIntosh has designed
special shielding around the magnetic structure of the
XR27 Loudspeaker Elements to prevent interference.
a television receiver or monitor without causing the
television image to degrade. McIntosh has designed
special shielding around the magnetic structure of the
XR27 Loudspeaker Elements to prevent interference.
•
High Power Handling
The Loudspeaker Elements and Crossover Components of
the XR27 are all chosen for use with powerful amplifiers
up to 1,200 watts.
the XR27 are all chosen for use with powerful amplifiers
up to 1,200 watts.
•
Versatile Operation and Placement
In additional to the regular connections, the XR27 Loud-
speaker System provides separate connections for Bi-Am-
plification hookups. The Crossover Network has provi-
sions to ensure the best performance when the Loud-
speaker System is mounted in a wall.
speaker System provides separate connections for Bi-Am-
plification hookups. The Crossover Network has provi-
sions to ensure the best performance when the Loud-
speaker System is mounted in a wall.
•
Gold Plated Input Connectors
The XR27 input connectors are gold plated for superior
corrosion resistance and high electrical conductivity.
corrosion resistance and high electrical conductivity.
Figure 6
dition of distortion to the music at low frequencies. The
Midrange and High Frequency Crossover Networks utilize
both Second and Third Order Crossover Designs. The Ca-
pacitors and Inductors used are of a high current capacity
design and include low loss (ESR) Polypropylene and
Mylar types. The Crossover Networks utilize self resetting
high current Poly-Switches to provide an extra measure of
protection.
Midrange and High Frequency Crossover Networks utilize
both Second and Third Order Crossover Designs. The Ca-
pacitors and Inductors used are of a high current capacity
design and include low loss (ESR) Polypropylene and
Mylar types. The Crossover Networks utilize self resetting
high current Poly-Switches to provide an extra measure of
protection.
The enclosure is an important part of the XR27 Loud-
speaker System and consists of a massive extruded alumi-
num enclosure. Refer to figure 6. The front mounting
board is
made of
3/4 inch
thick
MDF that
houses
the four 8
inch
Woofers,
one 6-1/2 inch Midrange and the five one inch inline
Tweeter Drivers. Refer to figure 7. It has multiple front to
num enclosure. Refer to figure 6. The front mounting
board is
made of
3/4 inch
thick
MDF that
houses
the four 8
inch
Woofers,
one 6-1/2 inch Midrange and the five one inch inline
Tweeter Drivers. Refer to figure 7. It has multiple front to
back internal braces to form a dampened rigid Structure.
The XR27’s small footprint allows for a variety of differ-
ent placements in a room.
The XR27’s small footprint allows for a variety of differ-
ent placements in a room.
Figure 7