Introduction; Performance Features - McIntosh MA252 Owner's Manual

Introduction

Now you can take advantage of traditional McIntosh
standards of excellence in the MA252 Integrated Am-
plifier. The Power Amplifier Solid State section of the
MA252, with a power output of 100 watts per channel,
will drive a pair of quality Loudspeakers to a high
level of performance.
The flexible Tube Preamplifier section provides
connections for various analog input sources.
The MA252 reproduction is sonically transparent
and absolutely accurate. The McIntosh Sound is "The
Sound of the Music Itself."

Performance Features

• Power Output
The MA252 consists of 100 watts (8 ohm) or 160 watts
(4 ohm) per channel Stereo Power Amplifier with
less than 0.03% distortion. The McIntosh MA252 is
designed for connection of a single 8 ohm or 4 ohm
Loudspeaker per channel. The Power Amplifier uses
ThermalTrak Output Transistors for lower distortion
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and cool operation.
• Power Guard
The patented McIntosh Power Guard circuit prevents
amplifier clipping and protects your valuable Loud-
speakers.
• Sentry Monitor and Thermal Protection
McIntosh Sentry Monitor power output stage protec-
tion circuits ensure the MA252 will have a long and
trouble free operating life. Built-in Thermal Protection
Circuits guard against overheating.
ThermalTrak™ and ON Semiconductor are trademarks of Semi-
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conductor Components Industries, LLC
• Electronic Output Switching
The Preamplifier uses Logic Controlled Electromag-
netic Switches on all low level outputs and operating
functions for reliable, noiseless, distortion free switch-
ing.
• Moving Magnet Phono Inputs
The MA252 Moving Magnet Input Circuitry uses
the latest design to provide the lowest possible noise,
distortion and flat frequency response.
• Tone Controls
The Bass and Treble Trim Controls provide up to
10dB of boost or cut. The MA252 remembers the Bass
and Treble Setting for each input.
• Multifunction Display
The Front Panel Display indicates source selection,
volume levels and setup functions.
• Power Control Output
A Power Control connection for convenient Turn-On
of a McIntosh Component.
• Remote Control
The Data Port together with the supplied Remote Con-
trol provide control of McIntosh Source Components
connected to the MA252.
• Special Power Supply
The large Power Transformer, multiple filter capaci-
tors with 60 Joules of Energy Storage and regulated
Power Supply ensure stable noise free operation even
though the power line varies.
Introduction and Performance Features
• McIntosh Custom Binding Posts
McIntosh Patented gold plated output terminals deliver
high current output. They accept large diameter wire
and spade lugs. Banana plugs may also be used only in
the United States and Canada.
• Super Mirror Finish Chassis with Glass Panel
The famous McIntosh Stainless Steel Chassis with
Super Mirror Finish ensures the pristine beauty of the
MA252 will be retained for many years. The famous
McIntosh Illuminated Glass Panel uses long life Light
Emitting Diodes (LEDs).
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