Rane MLM 82 Handleiding
Rane
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MLM 82
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Manual-1
MLM 82
MIC/LINE MIXER
OPERATORS MANUAL
MLM 82 CONNECTION
When connecting the MLM 82 to other components in
your system for the first time, leave the power supply for last.
This gives you a chance to make mistakes and correct them
without damage to your fragile speakers, ears and nerves.
INPUTS
The sixteen jacks at the Inputs of the MLM 82 are
balanced. They will also accept unbalanced connectors. Use
only shielded cable for Inputs. For best noise rejection use
two-conductor-plus-shielded wire, even for unbalanced
operation. Connect the shield at both ends to help insure
proper grounding. See the Sound System Interconnection
RaneNote included with this manual for all cable adaptations.
MONO INPUTS 1-4. Connect up to 4 sources to these
XLR jacks. Rane follows the AES recommended practice of
pin 2 postive, pin 3 negative, and pin 1 to shield. Switch any
Input connected to a microphone to the mic position by the
associated “limited access” switches on the front panel (LED
off). When connecting line level signals, switch the input to
the LINE position (LED on). Use a small probe such as a #0
Phillips screwdriver to actuate the switch.
STEREO INPUTS 5-8. The ¼" connectors are line level
stereo/mono balanced/unbalanced Inputs. If the MLM 82 is to
be used with unbalanced sources (such as CD players),
QUICK START
This section is provided as a convenience for those in a rush. If you are experienced with this unit or other Rane
products, these few words will refresh your memory.
INPUTS 1 through 4 may be microphone or line level. The choice between the two is made by setting the LINE push-
buttons through the access holes on the front of the unit near the INPUT LEVELS. Follow the silk-screening on the rear
for proper wiring hookup.
Choose between MIC or LINE output levels at each of the XLR OUTPUT connectors. If the MLM 82 is connected
directly to a power amplifier, equalizer or recorder input, choose LINE level. If the MLM 82 is connected to a microphone
jack of an existing sound system, choose MIC level. Follow the silk-screening on the rear for proper wiring hookup.
Once Inputs, Outputs, and power are properly connected, with the OUTPUT LEVELS counterclockwise (off), set the
Input LEVELS as high as possible without causing the SIG/OL indicators to blink red more than occasionally during
extreme signal peaks. Now slowly raise the OUTPUT LEVELS as desired.
Never connect anything except an approved Rane power supply to the red thing that looks like a telephone jack on
the rear of the MLM 82. This is an AC input and requires special attention if you do not have a power supply exactly like
the one that was originally packed with your unit. See the full explanation of the power supply requirements on page
Manual-3.
consult the Sound System Interconnection RaneNote included
with this manual for proper wiring using ¼" TRS input
connectors. Stereo Inputs use both RIGHT and LEFT jacks at
each INPUT.
INPUTS 5 through 8 also serve as mono Inputs by either
using the XLR inputs (always mono) or by plugging into only
one of the ¼" jacks. Automatic switching occurs when only
one of these ¼" jacks are used at any Input, splitting the mono
signal to both Outputs. Connect to just one of these jacks and
the MLM 82 does the rest. If you only want the signal to
come out of one channel and not the other, plug an unwired
“dummy” ¼" plug into the other channel.
OUTPUTS
The MLM 82’s OUTPUTS are balanced. The same wiring
conventions as the XLR Inputs apply. The type of device
following the MLM 82 must be considered when setting the
Output Level switch. Choose between LINE (0 dB) or MIC
(-40 dB) output levels. If the MLM 82 is connected directly to
a power amplifier input, choose LINE level. If the MLM 82 is
connected to a microphone jack on an existing sound system,
choose MIC level. For unbalanced OUTPUT connections do
not tie pin 3 (i.e. “–”) to ground.
WEAR PARTS: This product contains no wear parts.
Manual-2
FRONT PANEL DESCRIPTION
햲 SIGnal present/OverLoad LED. This bi-color LED lights green for a -30 dBu signal, and turns red when the Input is
within 3 dB of clipping.
햳 MONO MIC/LINE INPUT LEVEL controls 1-4 determine the amount of microphone or line signal to be delivered at
equal levels to both Outputs.
햴 LINE/Mic Input selectors switch the sensitivity and input impedance for either a microphone or line input. An illuminated
LED indicates that LINE is chosen, and Phantom Power is deactivated for that Input. Conversely, a dark LED indicates that
the Input is set for mic level, and Phantom Power (if activated, see Rear Panel 햳) is enabled for this Input. Use a small
probe (such as a #0 Phillips screwdriver) to actuate the switches.
햵 STEREO LINE INPUT LEVEL controls 5-8 determine the amount of stereo or mono line Input to be delivered to the
Outputs.
햶 OUTPUT OverLoad LED illuminates within 3 dB of an approaching overload condition. To avoid this, the associated
OUTPUT LEVEL control may be decreased, or the problem-causing individual Input may be decreased.
햷 LEFT and RIGHT OUTPUT LEVEL controls are either Left and Right Output Level controls, or zone 1 and zone 2
Level controls from mono sources.
햸 MONO switch mixes the Left and Right channels together with the ratio set by the two OUTPUT LEVEL controls. When
active, the associated LED lights, and the Left and Right Output connectors have exactly the same level.
햹 POWER LED is lit whenever adequate power is applied to the unit.
Manual-3
REAR PANEL DESCRIPTION
햲 MIC/LINE INPUT jacks 1-4. These XLRs connect either balanced Microphone or Line signals, depending on the recessed
front panel LINE switch setting (see Front Panel, 햴). Rane adheres to the international and U.S. standard for balanced pin
configurations: Pin 1 is chassis ground (neutral), pin 2 is positive, and pin 3 is negative.
햳PHANTOM POWER switch applies 15 volt phantom power to Inputs 1-4 that are mic-selected (front panel LINE LED
off).
햴 MONO BALANCED LINE INPUT jacks 5-8. These XLR inputs split the Input signal to both Left and Right Outputs
equally. Wiring is per #1 above. Choose between this XLR or the ¼" jacks (see 햵 below), they do not sum.
햵¼" LINE INPUT jacks. These pairs of balanced Tip-Ring-Sleeve jacks accommodate stereo line level signals using Left
and Right connections. If the source signal is mono, use the LEFT/MONO jack and the internal switching auto-splits to both
Outputs equally. These are TRS (tip-ring-sleeve) ¼" jacks accommodating either balanced or unbalanced signals. In most
cases an unbalanced signal may utilize a mono ¼" plug (tip-sleeve). For balanced signals use microphone cable (two
conductor with shield) with TRS ¼" plugs. See the Sound System Interconnection RaneNote included with this manual for
proper connector wiring.
햶 LEFT and RIGHT OUTPUT jacks. These XLRs connect the main Outputs to a power amplifier, signal processor,
recorder, or sound system, with the OUTPUT LEVEL switch (see 햷 below) set for the correct level. Pin connections are the
same as above in 햲.
햷 OUTPUT LEVEL switches attenuate the available line level down to a level compatible with microphone preamp inputs.
Put these in the out position when LINE level Outputs are desired, and depress them in for MIC level Outputs.
햸 POWER supply input. This is not a telephone jack. The MLM 82 is supplied from the factory with an RS 1 remote power
supply suitable for connection to this input jack. The power requirements call for an 18 volt AC center-tapped transformer
only. Call the Rane factory for replacement or substitution.
햹 Chassis ground point. A #6-32 screw is provided for chassis grounding purposes. See the note below for details.
CHASSIS GROUNDING
The MLM 82 is supplied with an external power supply (the RS 1). This power supply does not ground the unit. On
the rear chassis a 6-32 screw is provided to allow for attachment of the grounding wire. This chassis ground point must be
connected to earth ground either through another product which utilizes a three-prong grounded AC power cord or by
attaching the wire to a known earth ground, (the screw on a grounded AC outlet.)
If after hooking up your system it exhibits excessive hum or buzzing, there is an incompatibility in the grounding
configuration between units somewhere. Your mission, should you accept it, is to discover how your particular system
wants to be grounded. Here are some things to try:
1. Try combinations of lifting grounds on units that are supplied with ground lift switches or links.
2. If your equipment is in a rack, verify that all chassis are tied to a good earth ground, either through the line cord ground-
ing pin or the rack screws to another grounded chassis.
3. Try moving the device away from high magnetic field sources, such as large transformers used in power amplifiers.
Please refer to the RaneNote “Sound System Interconection” for further information on system grounding.
Product specificaties
| Merk: | Rane |
| Categorie: | Niet gecategoriseerd |
| Model: | MLM 82 |
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