4
POWER GUARD
1
2
OUTPUTS
EQUALIZER
MUTE
STANDBY/ON
INPUT
HEADPHONE
RESET
USB 35%
DSD256
PUSH - TRIM
HOLD - SETUP
TRIM SETUP
/
ADJUST
30
125
500
2k
10k
VOLUME
2
2
.
.
0
0
m
m
2
2
0
0
m
m
.
.
2
2
0
0
2
2
.
.
0
0
2
2
0
0
2
2
0
0
0
0
-
-
4
4
0
0
-
-
3
3
0
0
-
-
2
2
0
0
-
-
1
1
0
0
0
0
-
-
5
5
0
0
D E C I B E L S
W A T T S
P O W E R O U T P U T
2
2
.
.
0
0
m
m
2
2
0
0
m
m
.
.
2
2
0
0
2
2
.
.
0
0
2
2
0
0
2
2
0
0
0
0
-
-
4
4
0
0
-
-
3
3
0
0
-
-
2
2
0
0
-
-
1
1
0
0
0
0
-
-
5
5
0
0
D E C I B E L S
W A T T S
P O W E R O U T P U T
FUSE
PUSH
R OUTPUT
8
Ω
4
Ω
2
Ω
8
Ω
4
Ω
2
Ω
L OUTPUT
DATA PORTS
3
1
4
2
IR IN
RS232
EXT
CTRL
MAIN
TRIG 1
TRIG 2
MA8950 INTEGRATED AMPLIFIER
McINTOSH LABORATORY, INC., BINGHAMTON, NY
HANDCRAFTED IN USA WITH US AND IMPORTED PARTS
POWER CONTROL
OUTPUTS
PASSTHRU
INPUT
SERVICE
PORT
CLASS 2 WIRING
CLASS 2 WIRING
2
L
R
FIXED
1
PWR AMP
1
2
3
4
5
GND
6
R
MC
MM
L
R
L
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
SERIAL
NUMBER
120V 50/60Hz
4.4A
T 6.3AL 250V
UNBALANCED
INPUTS
PHONO
BALANCED
OUTPUTS
USB AUDIO
DA2 DIGITAL AUDIO MODULE
HDMI (ARC)
COAX 2
COAX 1
MCT
OPTICAL 2
OPTICAL 1
DIGITAL AUDIO INPUTS
SERIAL
NUMBER
POWER GUARD
1
2
OUTPUTS
EQUALIZER
MUTE
STANDBY/ON
INPUT
HEADPHONE
RESET
USB 35%
DSD256
PUSH - TRIM
HOLD - SETUP
TRIM SETUP
/
ADJUST
30
125
500
2k
10k
VOLUME
2
2
.
.
0
0
m
m
2
2
0
0
m
m
.
.
2
2
0
0
2
2
.
.
0
0
2
2
0
0
2
2
0
0
0
0
-
-
4
4
0
0
-
-
3
3
0
0
-
-
2
2
0
0
-
-
1
1
0
0
0
0
-
-
5
5
0
0
D E C I B E L S
W A T T S
P O W E R O U T P U T
2
2
.
.
0
0
m
m
2
2
0
0
m
m
.
.
2
2
0
0
2
2
.
.
0
0
2
2
0
0
2
2
0
0
0
0
-
-
4
4
0
0
-
-
3
3
0
0
-
-
2
2
0
0
-
-
1
1
0
0
0
0
-
-
5
5
0
0
D E C I B E L S
W A T T S
P O W E R O U T P U T
FUSE
PUSH
R OUTPUT
8
Ω
4
Ω
2
Ω
8
Ω
4
Ω
2
Ω
L OUTPUT
DATA PORTS
3
1
4
2
IR IN
RS232
EXT
CTRL
MAIN
TRIG 1
TRIG 2
MA8950 INTEGRATED AMPLIFIER
McINTOSH LABORATORY, INC., BINGHAMTON, NY
HANDCRAFTED IN USA WITH US AND IMPORTED PARTS
POWER CONTROL
OUTPUTS
PASSTHRU
INPUT
SERVICE
PORT
CLASS 2 WIRING
CLASS 2 WIRING
2
L
R
FIXED
1
PWR AMP
1
2
3
4
5
GND
6
R
MC
MM
L
R
L
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
SERIAL
NUMBER
120V 50/60Hz
4.4A
T 6.3AL 250V
UNBALANCED
INPUTS
PHONO
BALANCED
OUTPUTS
USB AUDIO
DA2 DIGITAL AUDIO MODULE
HDMI (ARC)
COAX 2
COAX 1
MCT
OPTICAL 2
OPTICAL 1
DIGITAL AUDIO INPUTS
SERIAL
NUMBER
Trademark and License Information
The McIntosh MA8950 incorporates copyright
protected technology that is protected by U.S. patents
and other intellectual property rights. The MA8950
uses the following Technologies:
Trademark
License Information
ASIO is a trademark and
software of Steinberg Media
Technologies GmbH
Manufactured under license
from Dolby Laboratories.
Dolby, Dolby Audio, and the
double-D symbol are trade-
marks of Dolby Laboratories.
For DTS patents, see http://
patents.dts.com. Manufactured
under license from DTS, Inc.
DTS, the Symbol, DTS and
the Symbol together, and
Digital Surround are registered
trademarks and/or trademarks
of DTS, Inc. in the United
States and/or other countries.
DTS, Inc. All Rights Reserved.
The terms HDMI, HDMI
High-Definition Multimedia
Interface, and the HDMI Logo
are trademarks or registered
trademarks of HDMI Licensing
Administrator, Inc.
HIGH-DEFINITION MULTIMEDIA INTERFACE
TM
POWER GUARD
1
2
OUTPUTS
EQUALIZER
MUTE
STANDBY/ON
INPUT
HEADPHONE
RESET
USB 35%
DSD256
PUSH - TRIM
HOLD - SETUP
TRIM SETUP
/
ADJUST
30
125
500
2k
10k
VOLUME
2
2
.
.
0
0
m
m
2
2
0
0
m
m
.
.
2
2
0
0
2
2
.
.
0
0
2
2
0
0
2
2
0
0
0
0
-
-
4
4
0
0
-
-
3
3
0
0
-
-
2
2
0
0
-
-
1
1
0
0
0
0
-
-
5
5
0
0
D E C I B E L S
W A T T S
P O W E R O U T P U T
2
2
.
.
0
0
m
m
2
2
0
0
m
m
.
.
2
2
0
0
2
2
.
.
0
0
2
2
0
0
2
2
0
0
0
0
-
-
4
4
0
0
-
-
3
3
0
0
-
-
2
2
0
0
-
-
1
1
0
0
0
0
-
-
5
5
0
0
D E C I B E L S
W A T T S
P O W E R O U T P U T
FUSE
PUSH
R OUTPUT
8
Ω
4
Ω
2
Ω
8
Ω
4
Ω
2
Ω
L OUTPUT
DATA PORTS
3
1
4
2
IR IN
RS232
EXT
CTRL
MAIN
TRIG 1
TRIG 2
MA8950 INTEGRATED AMPLIFIER
McINTOSH LABORATORY, INC., BINGHAMTON, NY
HANDCRAFTED IN USA WITH US AND IMPORTED PARTS
POWER CONTROL
OUTPUTS
PASSTHRU
INPUT
SERVICE
PORT
CLASS 2 WIRING
CLASS 2 WIRING
2
L
R
FIXED
1
PWR AMP
1
2
3
4
5
GND
6
R
MC
MM
L
R
L
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
SERIAL
NUMBER
120V 50/60Hz
4.4A
T 6.3AL 250V
UNBALANCED
INPUTS
PHONO
BALANCED
OUTPUTS
USB AUDIO
DA2 DIGITAL AUDIO MODULE
HDMI (ARC)
COAX 2
COAX 1
MCT
OPTICAL 2
OPTICAL 1
DIGITAL AUDIO INPUTS
SERIAL
NUMBER
17-
1/2"
44.5cm
7-
1/8"
18.1cm
7-
5/8"
19.4cm
18-
3/4"
47.6cm
29/32"
1.8cm
3/16"
0.5cm
6-
1/4"
15.9cm
13"
33cm
1-
5/8"
4.1cm
1"
2.5cm
16-
3/4"
42.5cm
6"
15.2cm
12-
3/16"
31cm
Front View:
Side View:
Dimensions
16-
1/2"
41.9cm
Rear View:
