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THX subwoofers
WIRING WITH THE M&K HP-80 OR VF-80 HIGH-PASS FILTERS (NON-THX)
The M&K HP-80 and VF-80 High-Pass Filters can improve the sound of systems by filtering the bass
fed to the main amp and Satellite speakers. These filters will give your system greater dynamic range,
lower distortion, and an increased maximum output. To use these filters with an integrated amp
or receiver, the amp or receiver MUST have back panel RCA jacks labelled PREAMP/MAIN
OUTPUT and POWER AMP/MAIN INPUT. You may have to remove jumper connections or throw
a switch to do this. If you have any questions about your components, contact your dealer or M&K.
For non-THX systems, your subwoofer is optimized for use with the HP-80 High-Pass Filter.
We strongly recommend that you use this filter (and set the "LOW PASS FILTER" toggle switch to the
"80 Hz 24 dB/OCTAVE" position) if your system components allow for its use. When the subwoofer
is used with an HP-80 and M&K Satellites, the combination forms a 4th order Linkwitz-Riley crossover
between satellite and subwoofer. The linear phase of this crossover means uncompromised
performance and great flexibility in system setup, with no elaborate calibration or adjustment needed.
Do not use either of these filters with a THX controller. The THX controller has the appropriate filters
in its built-in crossover circuitry. Do not use a SUBWOOFER OUTPUT jack on your amp or processor
FIGURE 5 - WIRING ONE SUBWOOFER TO AN AMP
OR PREAMP WITH ONE SET OF PREAMP OUTPUTS
FIGURE 6 - WIRING TWO SUBWOOFERS TO AN AMP
OR PREAMP WITH ONE SET OF PREAMP OUTPUTS
use one Y-connector for
each channel to split the
output of the preamp
PREAMP
POWER AMP
RIGHT
LEFT
MAIN IN
RIGHT
LEFT
10391 Jefferson Blvd
Culver City, CA 90232
310/204-2854
MILLER & KREISEL
SOUND CORP.
RIGHT
INPUT
REFERENCE
80 Hz
24 dB/
OCTAVE
Made in U.S.A.
T
6 AMP
120 VAC
50/60 Hz
LEFT/MONO
SLOW-BLOW
ATTENTION:
DEBRANCHER AVANT DE
REMPLACER LE FUSIBLE.
UTILIZER UN FUSI BLE
DE RECHANGE
DE MEME TYPE.
CAUTION:
DISCONNECT SUPPLY CORD
BEFORE CHANGING FUSE.
REPLACE FUSE ONLY
WITH SAME TYPE.
CAUTION
RISK OF ELECTRIC
SHOCK
DO NOT OPEN
AVIS:
RISQUE DE
CHOC ELECTRIQUE.
NE PAS OUVRIR.
Manufactured under license
from Lucasfilm Ltd.
Lucasfilm and THX are
registered trademarks
of Lucasfilm Ltd.
EXTENDED
THX
+
PHASE
THX MODE
NO LOW
PASS FILTER
LOW PASS FILTER
+3 dB
+6 dB
BASS LEVEL
BASS EQ
50
75
60
125
100
V
A
R
I
A
B
L
E
VARIABLE
THX
CENTER SWITCH
POSITION FOR
VARIABLE
LOW PASS
MX-350
THX
POWERED SUBWOOFER
use one Y-connector
for each channel
to split the output
of the preamp
RIGHT
LEFT
PREAMP
MAIN OUT
POWER AMP
RIGHT
LEFT
MAIN IN
10391 Jefferson Blvd
Culver City, CA 90232
310/204-2854
MILLER & KREISEL
SOUND CORP.
RIGHT
INPUT
REFERENCE
80 Hz
24 dB/
OCTAVE
Made in U.S.A.
T
6 AMP
120 VAC
50/60 Hz
LEFT/MONO
SLOW-BLOW
ATTENTION:
DEBRANCHER AVANT DE
REMPLACER LE FUSIBLE.
UTILIZER UN FUSIBLE
DE RECHANGE
DE MEME TYPE.
CAUTION:
DISCONNECT SUPPLY CORD
BEFORE CHANGING FUSE.
REPLACE FUSE ONLY
WITH SAME TYPE.
CAUTION
RISK OF ELECTRIC
SHOCK
DO NOT OPEN
AVIS:
RISQUE DE
CHOC ELECTRIQUE.
NE PAS OUVRIR.
Manufactured under license
from Lucasfilm Ltd.
Lucasfilm and THX are
registered trademarks
of Lucasfilm Ltd.
EXTENDED
THX
+
PHASE
THX MODE
NO LOW
PASS FILTER
LOW PASS FILTER
+3 dB
+6 dB
BASS LEVEL
BASS EQ
50
75
60
125
100
V
A
R
I
A
B
L
E
VARIABLE
THX
CENTER SWITCH
POSITION FOR
VARIABLE
LOW PASS
MX-350
THX
POWERED SUBWOOFER
10391 Jefferson Blvd
Culver City, CA 90232
310/204-2854
MILLER & KREISEL
SOUND CORP.
RIGHT
INPUT
REFERENCE
80 Hz
24 dB/
OCTAVE
Made in U.S.A.
T
6 AMP
120 VAC
50/60 Hz
LEFT/MONO
SLOW-BLOW
ATTENTION:
DEBRANCHER AVANT DE
REMPLACER LE FUSIBLE.
UTILIZER UN FUSIBLE
DE RECHANGE
DE MEME TYPE.
CAUTION:
DISCONNECT SUPPLY CORD
BEFORE CHANGING FUSE.
REPLACE FUSE ONLY
WITH SAME TYPE.
CAUTION
RISK OF ELECTRIC
SHOCK
DO NOT OPEN
AVIS:
RISQUE DE
CHOC ELECTRIQUE.
NE PAS OUVRIR.
Manufactured under license
from Lucasfilm Ltd.
Lucasfilm and THX are
registered trademarks
of Lucasfilm Ltd.
EXTENDED
THX
+
PHASE
THX MODE
NO LOW
PASS FILTER
LOW PASS FILTER
+3 dB
+6 dB
BASS LEVEL
BASS EQ
50
75
60
125
100
V
A
R
I
A
B
L
E
VARIABLE
THX
CENTER SWITCH
POSITION FOR
VARIABLE
LOW PASS
MX-350
THX
POWERED SUBWOOFER