McIntosh Home Theater Electronics
A History

Copyright 1996-2003 by Roger Russell
All rights reserved
No portion of this site may be reproduced in whole or in part
without written permission of the author.

 

 

 

Contact McIntosh Laboratory, Inc. for complete literature and retail prices of current products.

 

 

Any additions, corrections or comments are welcome.

MX118
MX130

MX132
MAC-3

MSD4

MX 118 A/V Tuner Control Center.

AM SECTION: Sensitivity 20uV, S/N 50dB, Distortion 0.5%, Response: 50-6000Hz NRSC, Adjacent channel selectivity 45dB IHF, Image rejection 68dB.

FM SECTION: Sensitivity 1.0uV across 75 ohms (11.25dBf), Distortion 0.12% in stereo, Response 20-15kHz (+0 -1.0dB), S/N 75dB, Capture ratio 1.5dB, Image response 80dB, Stereo separation 50dB, Alternate channel selectivity 70dB IHF, Spurious response 100dB, Rf intermodulation 65dB, SCA rejection 65dB.

PREAMPLIFIER SECTION:
Frequency response mono and stereo modes:
Left, center and right front channels:
20-20kHz (+0 -0.5dB)
Frequency response hall mode:
Left, center and right front channels:
20-20kHz (+0 -0.5dB)
Left and right surround channels:
50-6.3kHz (+1.0 -1.0dB) -3dB at 7kHz
Frequency response cinema mode (Dolby pro logic) mode:
Left, center and right front channels:
30-16kHz (+0 5-0.5dB)
Left and right surround channels: 50-6.3kHz (+1.0 -1.0dB)
Frequency response all modes:
Subwoofer channel low pass:
10-80Hz with 24dB/oct rolloff
Left, center and right front channels 80Hz up with 12dB/oct rolloff and Hi pass ON

Total harmonic distortion mono, stereo and hall modes:
Left, center and right front channels:
0.005% from 20-20kHz
Left and right surround channels (hall mode only): 0.1% from 50-7kHz
Total harmonic distortion cinema (Dolby pro logic) mode:
Left, center and right front channels:
0.05% from 80-16kHz
Left and right surround channels:
0.1% from 50-7kHz

Input sensitivity and impedance:
High level:
0.5V (5V max mono and stereo, 2.1V all others) and 22k ohms
Dolby level: 0.2V
Voltage gain: high level 14dB
Signal to noise ratio A weighted:
Mono, stereo and hall modes left, center and right front channels: -90dB high level
Cinema (Dolby pro logic) mode: -70dB
Output all 2.5V (6V max). Output impedance 200 ohms. Bass and treble controls 12dB boost or cut.

FRONT PANEL:
Illuminated glass
Bass and treble controls
Input selector:
cd 1, cd 2, tuner, tv/video, lv/aux
Mode:
stereo, cinema, hall, stadium
Volume control
Loudness control:
flat to max
Balance control
Pushbutton switches:
tape/vcr 1 mon, tape/vcr 2 mon, tape/vcr copy 1 to 2 and 2 to 1, enter, am/fm, preset, tune down, tune up, mono, sys cal, power
Headphone jack. Led signal strength bar. mpx light. digital tuning readout. Digital preset readout.
Indicator lights:
am, fm, tape/vcr mon, tape copy, enter, mono, sys cal

BACK PANEL:
Inputs:
cd 1, cd 2, video/tv, aux/lv, tp/vcr1, tp
Outputs:
fixed, tp/vcr1, tp/vcr2, front, ctr, sur, subwoof
System trim controls:
sur, ctr, surround
High pass filters switch:
on or off
Balanced output connectors
Modulator connectors:
tv, audio, ant/cable, channel switch: 3 or 4. Ext sensor
Video inputs:
video/tv, aux/lv, vcr 1, vcr 2
Video outputs:
vcr 1, vcr 2, monitor
Control connectors:
cd 1, cd 2
Multiroom controller connector
Fm and am antenna connectors
Data ports:
home, video, sum
Power control
System calibrate switch:
auto or man
Center speaker switch:
none, small, large
Center fill switch:
off or on
Sub woof switch:
off or on
Built in am loopstick antenna
MX118 hand remote
AC outlets:
2 switched, 1 unswitched

Size: 5-3/8H, 17-1/2"W and 17-1/2"D
Weight:
31 lb.
Sold from
1994-1999
Last retail price
$3000.00

MX 130 Audio/Video Control Center.

AM SECTION: Sensitivity 20uV, S/N 50dB, Distortion 0.5%, Response: 50-6000Hz NRSC, Adjacent channel selectivity 45dB IHF, Image rejection 75dB. IF rejection 68dB.

FM SECTION: Sensitivity 1.0uV across 75 ohms (11.25dBf), Distortion 0.12% in stereo, Response 20-15kHz (+0 -1.0dB), S/N 75dB, Capture ratio 1.5dB, Image response 80dB, Stereo separation 50dB, Alternate channel selectivity 70dB IHF, Spurious response 100dB, RF intermodulation 65dB, SCA rejection 65dB.

PREAMPLIFIER SECTION:
Frequency response mono and stereo:
Left, center and right stereo mode:
20-20kHz (+0 -0.5dB)
Frequency response hall mode:
Left, center and right surround channels
20-20kHz (+0 -0.5dB)
Left and right surround channels
100-7kHz (+0 -3.0dB)
Frequency response Dolby pro logic mode:
Left, center and right front channels
30-16kHz (+0 5-0.5dB)
Left and right surround channels
100-6.3kHz (+1.0 -1.0dB)
Frequency response Dolby pro logic and THX modes combined:
Left, center and right channels
30-1kHz (+0.5 -0.5dB) and 1kHz-16kHz (+0.8 -0.8dB)
Left and right surround channels 100Hz to 6.3kHz (+1.0dB, -5.0dB to 8kHz)
Frequency response all modes:
Subwoofer
10Hz to 80Hz with 24dB/oct rolloff
Left, center and right front channels
80Hz up with 12dB/oct rolloff and Hi pass ON

Rated output: 2.5V
Maximum output 6V
Output impedance:
600 ohms
Total harmonic distortion mono and stereo hall modes
Left, center and right front channels:
0.005% from 20Hz to 20,000Hz
Hall mode only left and right surround channels:
0.01% from 125Hz to 7000Hz
Total harmonic distortion dolby pro logic and THX modes:
Left, center and right front channels:
0.01% from 80Hz to 16,000Hz
Left and right surround channels: 0.1% from 125Hz to 7000Hz
Input sensitivity and impedance:
Phono:
5.0mV (60mV max) 47K ohms and 65pF
High level:
0.5V (2.1V max) 22k ohms
Dolby level:
0.2V
Voltage gain:
Phono to tape:
40dB
Phono to main:
54dB
High level to tape:
0dB
High level to main:
14dB
Signal to noise ratio A weighted:
Mono, stereo and hall modes (left, center and right front channels) phono
-90dB below 10mV input
Mono, stereo and hall modes (left, center and right front channels) high level
-100dB below rated output
Dolby pro logic and THX modes: -70dB
Bass and treble controls:
12dB boost or cut

FRONT PANEL:
Illuminated glass.
Bass and treble controls
Record selector with indicator lights:
cd 1, cd 2, tuner, tape 1, tape 2, ph/aux, sat, tv, lv, vcr 1, vcr 2, v-aux
Listen selector with indicator lights:
cd 1, cd 2, tuner, tape 1, tape 2, ph/aux, sat, tv, lv, vcr 1, vcr 2, v-aux
Mode:
mono, stereo, hall, cinema 1, cinema 2
Volume control
Loudnesscontrol:
flat to max
Balance
Delay(ms):
12, 16, 20, 24, 28.
Pushbutton switches:
sur cal, sur cal up, sur cal down, sur proc, rec lock, preset, access, tune up, tune down, enter, am/fm, power
Headphone jack
Camcorder inputs:
s-video, video, L&R audio
Led signal strength bar and mpx light
Digital tuning readout and digital volume readout
Ir sensor
Digital preset readout
Indicator lights:
am, fm, sur cal, sur proc, rec lock, enter, dolby, THX

BACK PANEL:
Audio inputs:
ph, aux, cd 1, cd 2, tape 1, tape 2, sat, tv, lv, vcr 1, vcr 2, v-aux
Ground binding post
Audio outputs:
tape 1, tape 2, vcr 1, vcr 2, front, center, sur, subwoof
Video inputs (normal and s connector):
sat, tv, lv, vcr 1, vcr 2, v-aux
Video outputs (normal and s connector):
vcr 1, vcr 2, mon a, mon b
Balanced output connectors
Modulator connectors:
tv, audio, ant/cable
Modulator channel switch:
3 or 4
Modulator input switch:
a or b
Ext sensor connectors:
a and b
6 channel output (THX) connector
Area b output
Control connectors:
cd 1, cd 2
Multiroom controller connector
Fm and am antenna connector
Data ports:
sum, home, aux, cd 1, cd 2, tuner, tape 1, tape 2, sat, tv, lv, vcr 1, vcr 2, v-aux
Power control
Surround calibrate switch:
auto or man
Center speaker switch:
none, small, large
Center fill switch
: off or on
Sub woof switch:
off or on
High pass filters switch: on or off
Built in am loopstick antenna
MX130 hand remote
AC outlets:
1 switched, 1 area a, 1 area b

Size: 7-1/8H, 17-1/2"W and 17-1/2"D
Weight:
31 lb.
Sold from:
1993-1999
Last retail price
$4800.00

MX132 A/V Control Center

AM SECTION: Sensitivity 20uV, S/N 58dB, Distortion 0.5%, Response 50-6000Hz NRSC, Adjacent channel selectivity 45dB IHF, Image rejection 65dB. IF rejection 80dB.

FM SECTION: Sensitivity 1.4uV across 75 ohms, Distortion 0.45% in stereo, Response 20-15kHz (+0 -1.0dB), S/N 75dB, Capture ratio 1.2dB, Image response 75dB, Stereo separation 45dB. Alternate channel selectivity 75dB. Spurious response 100dB, RF intermodulation 65dB, SCA rejection 65dB.

PREAMPLIFIER SECTION:
Frequency response Stereo:
Left and right small speakers
: 80-20kHz, subwoofer 20Hz-80Hz
Left and right large speakers:
20-20kHz, subwoofer off
Frequency response Pro Logic:
Left, center, right small speakers
: 80-20,000Hz. Surround small speakers 80Hz-7kHz. Subwoofer 20Hz-80Hz
Left, center and right large speakers:
20-20,000Hz. Surround large speakers 20Hz -7kHz. Subwoofer off
Frequency response Dolby Digital and DTS:
Left, center, right small speakers:
80-20,000Hz. Surround small speakers 80Hz-20,000Hz. Subwoofer 20Hz-80Hz
Left, center and right large speakers: 20-20,000. Surround large speakers 20Hz -20,000Hz. Subwoofer 20Hz-80Hz
Frequency response External Input:
Left, center, right, left surround, right surround
20-20,000Hz. Subwoofer 20Hz-120Hz

Rated output: 2.0V all modes for full bit digital input
Maximum output voltage:
9.5V
Input impedance: 22k ohms
Output impedance:
47 ohms at all outputs
Total harmonic distortion all modes: 0.005%
Input sensitivity:
0.4V for 2.0V output
Signal to noise ratio-all outputs:
>90dB un-weighted, 100dB A weighted, > 98dB CCCIR
Maximum input signal: 6V
Voltage gain:
14dB analog input to output
Tone controls:
12 dB boost or cut

FRONT PANEL: Illuminated Glass
Trim select control:
off, subwoofer, surr spkr, center spkr, treble, bass, loudness, display
Trim level control
Input B (record) control.
IR sensor window
Input format lights:
L, C, R, LFE, LS, S and RS
Processing format (lighted):
DTS, pro logic and THX ref
Output format (lighted):
L, C, R, SUB, LS, RS
Digital display: zone B, % volume and zone B
Surrround mode control:
stereo, music 3, music 2, music 1, cinema, THX cinema, external, mono.
Input A (listen) control
Volume control
Push switches:
sys off, rec lock, set up, tuning up or down, AM, FM, preset up or down, enter, late night standby/on preset (with led indicator), power on or off

BACK PANEL:
Audio/video inputs:
DVD, VCR 2, VCR 1, LV, TV, SAT, tape 2, tape 1, CD 2, CD 1, aux
Audio/video outputs:
tape 2, tape 1, VCR 2, VCR 1
AM ant. FM ant
Digital optical inputs: A
CD 1, B SAT, C LV
Digital inputs: D
CD 2, E TV, F DVD
Digital and optical outputs
Multi-pin output for multizone controller
RS232 connector
Keypads:
zone A 1 to 5 and B 1 to 5
IR input for zone A or B external sensor
Power Control:
multizone connector, A and B jacks, ACC jacks
Data ports:
sum A, sum and home
Zone B outputs:
bass, treble, balanced, unbalanced
External inputs:
sur, center, front L & R and subwoof
Multichannel amp 25 pin connector
Zone A fixed outputs:
L & R
Zone A outputs:
sur, center, front L & R, subwoof
Power cord socket

MX132 hand remote
Size:
7-1/16"H, 17-1/2"W and 21"D
Weight:
32.5 lb.
Sold from
1998-
Last retail price: $7000.00

MAC-3 Surround decoder, Dolby digital AC-3.

 

 

ELECTRICAL:
Frequency response Dolby digital and stereo:
Left, center and right small speakers:
80-20kHz, surround 80-20kHz, subwoofer 20-80Hz
Left, center and right large speakers:
20-20kHz, surround 20-20kHz, subwoofer = none
Response Dolby pro logic:
Left, center and right small speakers:
80-20kHz, surround 80-7kHz, subwoofer 20-80Hz
Left, center and right large speakers:
20-20kHz, surround 20-7kHz, subwoofer = none
Output:
2.0V (8V max)
Output impedance:
420 ohms
Distortion:
0.005%
Sensitivity:
0.5V (2V max full bit, 2.6V max with AILC analog)
Noise:
100dBA
Voltage gain: 12dB

FRONT PANEL:
Illuminated glass
Input switch:
analog, CD 1, sat, lv, dvd
Channel status lights:
l, c, r, lfe, ls, s, rs
Input signal mode lights:
Dolby digital and pro logic
Delay/volume digital display
Pushbutton switches with indicator lights:
surround, sys cal, late night, eq filter, power, delay center, delay surround, volume, standby/on
Volume control
IR sensor.

BACK PANEL:
Outputs:
sur, center, front
Analog input
FP sensor switch:
off or on
Data:
in and out
Pwr ctrl:
in and out
System calibrate switch:
auto or man
Speaker settings switches:
front:
small or large
center:
none, small or large
surr:
small or large
subwoof:
on or off

Digital optical inputs: dvd, lv, sat, cd 1
Digital coaxial inputs: dvd, lv, sat, cd 1. LV rf AC-3 input
AC power cord socket
Size:
3-9/16"H, 17-1/2"W and 17-1/2"D
Shipping weight:
40 lb.
Sold from:
1997-
Last retail price: $2500.00

MSD4 Surround Decoder

 

 

ELECTRICAL:
Frequency response stereo:
Left and right small speakers:
80Hz-20,000Hz, subwoofer 20Hz to 80Hz
Left and right large speakers:
20Hz-20,000, subwoofer off
Frequency response pro logic:
Left, center, right small speakers:
80Hz-20,000Hz, surround 80Hz-7kHz, subwoofer 20Hz to 80Hz
Left, center, right large speakers:
20Hz-20,000Hz, surround 20Hz-7kHz, subwoofer off
Frequency response Dolby dital and DTS:
Left, center, right small speakers:
80Hz-20,000Hz, surround 80Hz-20kHz, subwoofer 20Hz to 80Hz
Left, center, right large speakers: 20Hz-20,000Hz, surround 20Hz-20kHz, subwoofer 20Hz to 80Hz

Rated output: 2.0V for full bit (8.0V max)
Output impedance:
420 ohms at all outputs
Total harmonic distortion:
0.005% at all outputs
Sensitivity analog input:
0.5V for 2.0V output (2.0V full bit, 6.0V with AILC)
Signal to noise ratio all outputs: >100dB A weighted
Voltage gain:
12dB

FRONT PANEL:
Input selector:
analog, CD 1, SAT, LV, DVD
Channel status:
L, C, R, LFE, LS, S, RS
Delay/volume digital display
Volume control/level match/channel time delay/system level calibration
Pushbutton switches with indicator lights:
surround, sys cal, late night, re-eq+tm, power, cntr delay, surr delay, volume, standby/on (no light)

BACK PANEL:
Outputs:
sur, center, front
Analog input
FP sensor switch:
off or on
Data: in or out
pwr ctrl: in or out
System calibrate switch: auto or man
Speaker settings:
Front:
small or large
Center: none, small, large
Surr: small or large
Subwoff: off or on

Digital optical inputs: DVD, LV, SAT, CD 1
Digital coaxial inputs:
DVD, LV, SAT, CD 1
RF input LV AC-3
Power cord socket
Size:
3-9/16", 17-1/2"W and 17-1/2"D
Sold from: 1998-
Last retail price:
$3250.00

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More text and pictures about McIntosh will be added as my research continues. Any comments, corrections, or additions are welcome.

 

 

Created by Roger Russell
All contents are copyright 1996-2003
by Roger Russell All rights reserved