McIntosh MA9000 User Manual

16
USB 30%
DSD256
IR Sensor receives
commands from a
Remote Control
STANDBY/ON Push-button with indica-
tor switches the MA9000 ON or OFF
(Standby) and resets the microprocessors
MUTE Push-button mutes the
audio from the Loudspeakers
and Headphones
Meter indicates the
Right Channel Output
of the amplifier
LED indicates when the Left
Channel Amplifier POWER
GUARD circuit activates
Meter indicates the
Left Channel Output
of the amplifier
LED indicates when the Right
Channel Amplifier POWER
GUARD circuit activates
OUTPUT 1 and 2 Push-buttons
with indicators, switch Preamplifier
Output (Loudspeakers) 1 and 2 On
or Off
INFORMATION DISPLAY indicates the
Sources, Volume, other Audio Settings,
Operational Functions and Setup Mode
Settings
EQUALIZER Push-button with
indicator, when deactivated the
audio signal bypasses the Equal-
izer Controls
EQUALIZER Controls increase or de-
crease the volume levels at the Center Fre-
quencies of 25Hz, 50Hz, 100Hz, 200Hz
400Hz, 1,000Hz, 2,500Hz and 10,000Hz
VOLUME Control allows ad-
justment of the listening level
for both channels. Also used
to change the various TRIM
and SETUP Functions
Connection for low impedance
dynamic headphones, for private
listening
INPUT Control used to
select a source for listening
and recording. The control is
also used to enter the TRIM
or SETUP Modes and select
the various functions
Front Panel Displays, Controls, Push-buttons and Jack

McIntosh MA9000 Specifications

General

Power Output per Channel	300 Watts
Total Harmonic Distortion	0.005%
Number of Channels	2
Input Impedance (Balanced)	20k ohms
Input Impedance (Unbalanced)	20k ohms
Damping Factor	>40
Maximum Output Voltage (Balanced)	16V RMS
Maximum Output Voltage (Unbalanced)	8V RMS
Dynamic Headroom	2.0dB
Connectivity - Unbalanced Input	6
Connectivity - Phono Input MM	1
Connectivity - Phono Input MC	1
Connectivity - Digital USB Input	1
Connectivity - Digital Coaxial Input	2
Connectivity - Digital Optical Input	2
Connectivity - Digital MCT (DIN) Input	1
Connectivity - Subwoofer Output	No
Home Theater PassThru	Yes
Tone Controls	Bass and Treble
Tone Bypass	Yes
RS232 Control Input	Yes
Rear Panel Data Port	Yes
Rear Panel IR Sensor Input	Yes
Frequency Response	+0, -0.5dB from 20Hz to 20kHz
Phono Input Impedance	47k Ohms (MM), 100 Ohms (MC)
Voltage Gain (Phono)	60dB (MM), 60dB (MC)
Connectivity - Balanced Input	Yes
Connectivity - Variable Output	1 Balanced, 1 Unbalanced
Digital Processing	32-bit
Dimensions (W x H x D)	17.5 x 9.75 x 22 inches