Performance Features - McIntosh XR50 Owner's Manual

Performance Features

• Patented LD/HP Technology
®
The McIntosh Low Frequency Loudspeaker Elements
feature the patented LD/HP Magnetic Circuit Design.
This design, when compared to conventional Loud-
speaker Drivers, reduces distortion significantly. It
also increases power handling and efficiency.
The rear vent through the magnetic assembly offers
improved heat dissipation. The die cast basket has an
open air area under the voice coil/spider assembly to
prevent displacement noise. The polypropylene cone
with a rubber surround has a four layer copper voice
coil and is rigid to perform as a near perfect air piston.
Altogether these advances in woofer design con-
struction and materials produce the very important
first several octaves of music, with a high degree of
accuracy and superb transient response. This perfor-
mance level rivals woofers twice the size of the XR50
woofer.
• Neodymium-Iron-Boron Alloy Magnets
The two inch Midranges and three-quarter inch Dome
Super Tweeter all use this Alloy. The Neodymium-
Iron-Boron Alloy has the highest flux density per
unit of volume. This allows for a smaller physical size
driver and thus closer driver to driver placement for
improved dispersion.
• Low Harmonic and Intermodulation Distortion
The XR50 Loudspeaker System is capable of repro-
ducing the full dynamic range of a symphony orches-
tra with very low audible distortion of any kind.
• Low Frequency Port
The XR50 Loudspeaker System utilizes a vertical port
with a rear opening to increase bass output, reduce
distortion and improve the overall efficiency of the
Loudspeaker.
Connector/Cable Information, Introduction and Performance Features
• High Power Handling
The Loudspeaker Elements and Crossover Compo-
nents of the XR50 are all chosen for use with ampli-
fiers up to 300 watts, yet can be driven with a 75 watt
amplifier.
• Superior Imaging
Locating the Super Tweeter between the two Midrang-
es generates a symmetrical polar response for superior
imaging.
• Loudspeaker Enclosure
The XR50 Loudspeaker enclosure is constructed with
non-parallel internal sides to reduce internal standing
waves and is available in various finishes.
• McIntosh Custom Binding Posts
McIntosh patent pending gold plated input terminals
accept high current signals. They accept large diam-
eter wire and spade lugs. Banana plugs may also be
used.
• Power Control
The Power Control Input supplies power to illuminate
the XR50 McIntosh Logo and Power Control Output
supplies power for remote turn-on of additional Com-
ponents.
• Solid State Front Panel Logo Illumination
The even Illumination of the Front Panel Logo is ac-
complished by the combination of custom designed
Light Diffusers and extra long life Light Emitting
Diodes (LEDs).
5