M&K RM-2 User manual

RM-2 HITO LOW LEVEL CONVERTOR &
REMOTE SUBWOOFERVOLUME CONTROL
MILLER & KREISEL SOUND CORPORATION 10391 Jefferson Blvd, Culver City, CA 90232 USA 310.204.2854 Fax [phone]
3. Connect an RCA - RCA interconnect cable from either
one of the SUB OUT jacks on the RM-2 to the LEFT/MONO
inputonyoursubwoofer. Ifyouhavetwosubwoofers,connect
one cable to each subwoofer.
USING THE RM-2 TO SET BASS LEVEL
TheRM-2'sconvenienceinsettingthebasslevelofyourM&K
subwoofer can be used for various purposes.
Themostcommonpurposeistouseittoincreaseordecrease
bass levels depending on the source. Its calibrated control
makesiteasytoreturnthesubwoofertoyourreferencelevel.
Here's the procedure:
After connecting the RM-2 as described above, set its level
control to the 0 dB position. Then calibrate the level of the
subwooferbyadjustingtheBASSLEVELcontrolontheback
ofthesubwoofer. Do notadjustthe RM-2. Youcancalibrate
levels through listening tests, or by using test tones or noise
with a sound level meter or with a third-octave analyzer.
Once calibrated, any time you wish to change the amount of
bass, simply adjust the RM-2. Do not adjust the subwoofer.
TheRM-2 hasa rangeof plus or minus 21 dBof adjustment.
Any time you need to reset the bass output to the calibrated
level, all you have to do is set the RM-2 to the 0 dB position!
Anotheruse of theRM-2 isto control(and calibrate)the level
ofsubwoofers installedinlocationsthataredifficulttoaccess.
Inthesecases,youmaybeunabletocalibratebasslevelsby
usingtheBASSLEVELcontrolonthebackofthesubwoofer.
Under these circumstances, to use the RM-2, just set the
BASS LEVEL control on the back of the subwoofer(s) to
between the 12:00 (straight up) and about the 3:00 position.
Then use the RM-2 to calibrate the bass level.
For more detailed information on the subject of setting bass
levels, see your subwoofer owner's manual.
The M&K RM-2 allows you to use all M&K Powered Subwoof-
ers with components that do not have RCA-type subwoofer
outputjacks(especiallyfortheMX-125II,MX-5000THXII,MX-
350THX, MX-150THX, and V-125THX).
It also provides a convenient way to precisely fine tune and
control the level of your M&K powered subwoofer without
having to use the control on the subwoofer's back panel.
LOCATION OF THE RM-2
TheRM-2mustbeplacedclosetoyouramplifierorreceiver,so
that its input wires will reach the speaker output terminals of
your component. SPECIAL NOTE: Despite its full Faraday
shielding,in rare instances,whentheRM-2isveryclosetothe
poweramplifier,itmaybesensitivetohum. Ifyouhearsystem
hum after connecting the RM-2, move it away from any power
transformers in the receiver or amplifier.
WIRING THE RM-2
The RM-2 has three sets of connectors. From left to right:
RIGHT IN (- connection on top; + connection on bottom)
SUB OUT (2 jacks)
LEFT IN (- connection on top; + connection on bottom)
1. Connect the RIGHT IN wires attached to the RM-1 to the
Right Channel speaker output on your amp or receiver. Make
sure that the Red wire is connected to the (+) terminal on the
amplifierandthattheBlackwireisconnectedtothe(-)terminal
on the amplifier.
2. Connect the LEFT IN wires attached to the RM-1 to the
Right Channel speaker output on your amp or receiver. Make
sure that the Red wire is connected to the (+) terminal on the
amplifierandthattheBlackwireisconnectedtothe(-)terminal
on the amplifier.
0997rev0
RM-2 Manual.pm6
100
PHASE
10391 Jefferson Blvd,CulverC ity,CA 90232 310/204-2854
M ILLER & KREISELSO UND CORPO RATION
RIGHT
FROM PREAMP
BASS LEVEL
LOW PASS FILTER
(Hz)
MAX
50
75
60
125
Made in U.S.A.
T
4 AMP
120 VAC 50/60 Hz
MIN
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.
+

FIGURE 1
W IRING THE RM-2
RIGHT
IN
CONNECT
WIRESTO
LEFT A ND
RIGHT
A M P L IF IE R
SPEAKER
TERMINALS
LEFT
IN
SUB
OUT
+
-
+
-
AMPLIFIER
LEFT
+
_
+
_
RIGHT
Red
wire
Black
wire
Red
wire
Black
wire