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Manual-4

©Rane Corporation  10802 47th Ave. W.,  Mukilteo WA 98275-5000  TEL 425-355-6000  FAX 425-347-7757  WEB rane.com

OPERATING INSTRUCTIONS

MONO MICROPHONE/LINE LEVEL INPUTS 1-4

The microphone preamps in the MLM82S have a combination 

gain trim and Level control. The LEVEL control adjusts both 

the input dynamic range and mix level. There is no need for the 

typical independent gain trim control found on most mixers. The 

PHANTOM POWER switch activates 15 volt Phantom Power 

for all Inputs selected for microphone use. With LINE selected, 

Phantom Power is defeated only in that Input. 15 volts is suffi-

cient power for all but the most esoteric condenser microphones. 

If in doubt, check the manufacturer’s microphone specs. 

SIGNAL PRESENT/OVERLOAD INDICATORS

The MLM82S has four bi-color indicators for Signal Present/

Overload (green/red). Green indication occurs when there is a 

signal present above -30 dBu. This lamp should be glowing green 

when signal is present. If this lamp is 

off

, check these possibili-

ties:

A. The Input may not be connected.

B. There is little or no signal present at the moment.

C. There is a Mic connected to a channel switched to LINE.

D. The Mic needs Phantom Power (See Rear Panel, 

2

).

E. The LEVEL control needs to be increased (clockwise).

F. The cable is not wired properly (See the Sound System Inter-

connection RaneNote).

A red glowing LED indicates that the levels are so high that 

distortion due to clipping is occurring or imminent.

Check these conditions:

A. The LEVEL control may be turned too high.

B. The Output of the preceding device may need to be reduced.

C. The Input may be switched to MIC with a line-level source. 

Switch the Input to LINE.

STEREO LINE INPUTS 5 through 8 do not have overload 

indicators. Because 12 dB of gain is added after the STEREO 

LINE INPUT LEVEL controls, it is possible to overload a line 

input without an overload indication. The A and B OUTPUT 

OL indicators can overload from the Line Inputs if the OUT-

PUT LEVEL controls are set to 10. Although a single Input may 

be at unity gain, multiple active Inputs mixed together can cause 

an overload. If the OL indicators illuminate, just turn down the 

OUTPUT LEVELS until the overload stops—mix ratios will 

not change.

STEREO LINE LEVEL INPUTS 5-8

The STEREO LINE INPUT LEVEL controls adjust both A and 

B Inputs equally. Use the OUTPUT LEVEL controls together 

for overall output adjustment, or separately to control balance.

A single mono input may be used for the A and/or B inputs. 

Any mono source connected to A will go to the A output. Any 

mono source connected to the B input will go to the B output. 

If you wish one or two mono sources to go to both A and B 

outputs, press the MONO switch. If you wish to mono a single 

stereo source and have it present in A and B outputs, press the 

mono switch. STEREO LINE INPUTS 5-8 may each be inde-

pendently set for mono operation. 

HOLE PLUGS

To protect the setting of any rotary control, remove the knob by 

simply pulling it off, and snap in one of the hole plugs included 

with your unit.

Summary of Contents for MLM82S

Page 1: ...rtant Safety Instructions MLM82S Manual MLM82S Data Sheet Sound System Interconnection Warranty Declaration of Conformity 22356 10 0 2 4 8 6 10 0 2 4 8 6 10 0 2 4 8 6 10 0 2 4 8 6 10 0 2 4 8 6 10 0 2...

Page 2: ...he power cord is the AC mains disconnect device and must remain readily operable To completely disconnect this apparatus from the AC mains disconnect the power supply cord plug from the AC receptacle...

Page 3: ...r le courant alternatif AC et doit absolument rester accessible Pour d connecter totalement l appareil du secteur d branchez le c ble d alimentation de la prise secteur 16 Cet appareil doit tre branch...

Page 4: ......

Page 5: ...front panel Internal switches allow setting output signal levels for MIC or LINE The factory default setting is LINE If the MLM82S is connected directly to a power amplifier equalizer or recorder inpu...

Page 6: ...A and B Inputs for that channel have exactly the same level 6 OUTPUT OverLoad LED illuminates within 3 dB of an approaching overload condition To avoid this the associated OUT PUT LEVEL control may be...

Page 7: ...andle either balanced or unbalanced signals In most cases an unbalanced signal may use a mono plug Tip Sleeve See the Sound System Interconnection RaneNote included with this manual for proper connect...

Page 8: ...ue to clipping is occurring or imminent Check these conditions A The LEVEL control may be turned too high B The Output of the preceding device may need to be reduced C The Input may be switched to MIC...

Page 9: ...output signal to Mic level The factory default is Line level Features Four balanced Mic Line Inputs XLR with 15V Phantom Power Bi Color Signal Present Overload indicators Trimless Mic Stage Preamplif...

Page 10: ...Stereo Line Input Impedance 20k min Gain Range off to 12 1 dB Signal To Noise Ratio 90 typ dB Unity gain output 4 dBu 22 kHz BW Frequency Response 10 Hz 35 kHz 3 dB THD Noise 0 007 max 4 dBu at 1 kHz...

Page 11: ...TPUT A OUTPUT B LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL LEVEL 40 dB PAD RFI FILTER RFI FILTER RFI FILTER RFI FILTER RFI FILTER RFI FILTER RFI FILTER RFI FILTER RFI FILTER RFI FILTER RFI FILTER RFI F...

Page 12: ...able for the B mix A and B mix outputs shall feature overload indicators independent A B level controls internally selected 40 dB pad for microphone level output and XLR output jacks Security features...

Page 13: ...onnections Grounding and EMC practices Shields of connectors in audio equipment containing active circuitry Rane s policy is to accommodate rather than dictate However this document contains suggestio...

Page 14: ...connect is not compat ible with unbalanced The small physical nature and short cable runs of completely unbalanced systems home audio also contain these ground loop noise currents However the currents...

Page 15: ...CTICE RECOMMENDED PRACTICE OPTIONAL CASE 1 2 3 3 1 2 CHASSIS GROUND SIGNAL GROUND CHASSIS GROUND CHASSIS GROUND The Next Best Right Way To Do It The quickest quietest and most foolproof method to con...

Page 16: ...ounded and therefore immune to ground loop hums and buzzes Ground lifts are simply another Band Aid to try in case of grounding problems It is true that an entire system of properly grounded equipment...

Page 17: ...guarantee that a hum free intercon nect can be achieved nor is there a definite scheme that will assure noise free operation in all configurations References 1 Neil A Muncy Noise Susceptibility in An...

Page 18: ...20 24 24 19 18 17 B B B B A A A A A A FEMALE BALANCED XLR NOT A TRANSFORMER NOR A CROSS COUPLED OUTPUT STAGE FEMALE BALANCED XLR EITHER A TRANSFORMER OR A CROSS COUPLED OUTPUT STAGE BALANCED TRS NOT A...

Page 19: ...RED SHIELD RED SHIELD SHIELD RED RED BLACK N C N C N C RED BLACK RED SHIELD N C BLACK RED BLACK RED 3 NC 2 RED 1 SHIELD 2 RED 1 SHIELD 3 BLACK 2 RED 1 NC 3 BLACK 2 RED 1 NC 3 BLACK 2 RED 1 SHIELD SHIE...

Page 20: ...3 BLACK 2 RED 1 SHIELD 3 BLACK 2 RED 1 SHIELD SHIELD BLACK SHIELD RED BLACK SHIELD RED BLACK RED SHIELD SHIELD BLACK RED SHIELD BLACK RED SHIELD BLACK RED SHIELD BLACK RED SHIELD BLACK RED SHIELD RED...

Page 21: ...ECTS IN MATERIAL OR WORKMANSHIP THE SPECIFIC PERIOD OF THIS LIMITED WARRANTY SHALL BE THAT WHICH IS DESCRIBED TO THE ORIGINAL RETAIL PURCHASER BY THE AUTHORIZED RANE DEALER OR DISTRIBUTOR AT THE TIME...

Page 22: ...IN THE USA If the product is being sent to Rane for repair please call the factory for a Return Authorization number We recommend advance notice be given to the repair facility to avoid possible need...

Page 23: ...for compliance with the LV directive and EMC directive in the event that the equipment is modified without written consent of the manufacturer This declaration of conformity is issued under the sole r...

Page 24: ...LINE LINE 15V PHANTOM POWER MLM82S 5 B A 6 B A 7 B A 8 A B OUTPUTS 1 3 4 2 LINE INPUTS MIC LINE INPUTS BALANCED PIN 3 PIN 2 PIN 1 G CLASS 2 WIRING BALANCED PIN 3 PIN 2 PIN 1 G CLASS 2 WIRING 100 240...

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