Rane MQ 302L User Manual
OPERATORS MANUAL MQ 302L
STEREO GRAPHIC EQUALIZER
QUICK START
If this is your first equalizer, please do yourself and
your speakers a favor and read at least the first five pages.
“An ounce of prevention...,” and all that.
The MQ 302L is a stereo equalizer, so adjusting any
slider affects both channels simultaneously. Begin by
setting all sliders to their center detent (0 dB), and the
INPUT LEVEL to its center detent (0 dB). Try to make
more cuts than boosts. After equalizing, use the EQ switch
to compare equalized and non-equalized signal. While EQ
is switched to ACTIVE (out), adjust the INPUT LEVEL
to the same level as when EQ is switched to BYPASS
(in).
You may use either the XLR or ¼" connectors for
Inputs or Outputs. Connect only one INPUT type per
channel. The XLR and ¼" TRS inputs do not sum. You
may, however, use both types of OUTPUTS simultaneously if desired.
WEAR PARTS: This product contains no wear parts.
Manual-1
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION
IMPORTANT SAFETY INSTRUCTIONS
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with a dry cloth.
7. Do not block any ventilation openings. Install in accordance with manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, registers, stoves, or other apparatus (including ampliers) that produce heat.
9. Do not defeat the safety purpose of the polarized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding-type plug has two blades and a third grounding prong. e wide blade or third prong is provided for your safety. If the provided plug does not
t into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord and plug from being walked on or pinched particularly at plugs, convenience receptacles, and the point where it exits from
the apparatus.
11. Only use attachments and accessories specied by Rane.
12. Use only with the cart, stand, tripod, bracket, or table specied by the manufacturer, or sold with the apparatus. When a cart is used, use caution
when moving the cart/apparatus combination to avoid injury from tip-over.
13. Unplug this apparatus during lightning storms or when unused for long periods of time.
14. Refer all servicing to qualied service personnel. Servicing is required when the apparatus has been damaged in any way, such as power supply
cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does
not operate normally, or has been dropped.
15. e plug on the 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.
16. is apparatus shall be connected to a mains socket outlet with a protective earthing connection.
17. When permanently connected, an all-pole mains switch with a contact separation of at least 3 mm in each pole shall be incorporated in the electrical installation of the building.
18. If rackmounting, provide adequate ventilation. Equipment may be located above or below this apparatus, but some equipment (like large power
ampliers) may cause an unacceptable amount of hum or may generate too much heat and degrade the performance of this apparatus.
19. is apparatus may be installed in an industry standard equipment rack. Use screws through all mounting holes to provide the best support.
WARNING: To reduce the risk of re or electric shock, do not expose this apparatus to rain or moisture. Apparatus shall not be exposed to dripping
or splashing and no objects lled with liquids, such as vases, shall be placed on the apparatus.
NOTE: is equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. ese
limits are designed to provide reasonable protection against harmful interference in a residential installation. is equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment o and on, the user is encouraged to try to correct the interference
by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit dierent from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
CAU T ION: Changes or modications not expressly approved by Rane Corporation could void the user's authority to operate the equipment.
is Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
WARNING
To reduce the risk of electrical shock, do not open the unit. No user
serviceable parts inside. Refer servicing to qualied service personnel.
e symbols shown below are internationally accepted symbols that warn
of potential hazards with electrical products.
is symbol indicates that a dangerous voltage
constituting a risk of electric shock is present within
this unit.
is symbol indicates that there are important
operating and maintenance instructions in the
literature accompanying this unit.
INPUT LEVEL control and indicators
This controls the overall level. 0 dB gain is reached at the center detent with all sliders
centered at their 0 dB detents. Set the INPUT LEVEL to give equal volumes with the EQ
Filter level slide controls
switched to ACTIVE or BYPASS, after setting the sliders (see EQ BYPASS switch below).
Apply sufficient signal to the input to occasionally light the +4 dBu indicator. Flashing of the
OL (overload) LED during peaks can be avoided by turning the INPUT LEVEL or boosted
Filters down.
Each of these sliders control the output level
of both channels of the 30 bandpass filters.
Center position is grounded for guaranteed
flat response.
EQ BYPASS switch
When pressed to BYPASS, the filter sliders have no effect. Since actual unity gain depends
on varying slider settings, use the BYPASS switch to determine the unity gain position of the
INPUT LEVEL control by comparing ACTIVE and BYPASS volumes.
Cable Wiring
In agreement with IEC and AES/ANSI standards, XLR wiring convention is pin 2 Positive
(hot), pin 3 Negative (cold), and pin 1 Signal ground (for unbalanced use). Pin 1 and the
connector case or shell are tied to chassis ground.
Manual-2
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