Inter-m L-1400, L1800, L2400, L800 Operating Manual
L800/1400/1800/2400
Professional Power Amplifier
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PROT30 10 CLIP/LIM30 10 CLIP/LIM PROT
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PROFESSIONAL POWER AMPLIFIER
2400
POWER
OFF
ON
B370031OC03OC03
0210
Contents
Contents
Welcome
Warning...............................................................................................................................1
Unpacking ............................................................................................................................2
Short Form Instructions...........................................................................................................2
Installation
Environment..........................................................................................................................3
Important Safety Instructions ...................................................................................................3
Description.............................................................................................................................4
Features..................................................................................................................................4
Accessories ...........................................................................................................................4
Front Panel.............................................................................................................................5
Rear Panel .............................................................................................................................6
Applications
Stereo Installation .................................................................................................................8
Parallel Installation ................................................................................................................8
Bridge Mono Installation ........................................................................................................9
Linked Installation ..................................................................................................................9
Connections ........................................................................................................................10
Block Diagrams...................................................................................................................11
Specifications ......................................................................................................................12
Service
Procedures..........................................................................................................................13
Schematic ...........................................................................................................................13
Parts List .............................................................................................................................13
Variations and Options .....................................................................................................13
Warranty..............................................................................................................................13
1
L800/1400/1800/2400
PROFESSIONAL POWER AMPLIFIER
Welcome
Although it is neither complicated to install nor difficult to operate your A/V Modulator, a few minutes of
your time is required to read this manual for a properly wired installation and becoming familiar with its
many features and how to use them.
Please take a great care in unpacking your set and do not discard the carton and other packing necessary
to return your set for when moving your set and are required if it ever becomes necessary to return your set
for service.
Never place the unit near radiators, in front of heating vents, to direct sun light, in excessive humid or dusty
location to avoid early damage and for your years of quality use.
Connect your complementary components as illustrated in the following page.
Welcome
A personal welcome to you from the management and employees of Inter-M
All of the co-workers here at Inter-M are dedicated to providing excellent products with inherently good
value, and we are delighted you have purchased one of our products.
We sincerely trust this product will provide years of satisfactory service, but if anything is not to your
complete satisfaction, we will endeavor to make things right.
Welcome to Inter-M, and thank you for becoming part of our worldwide extended family!
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK.
DO NOT REMOVE COVER (OR BACK).
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
WARNING
To prevent fire or shock hazard, do not
expose the unit to rain or moisture.
*Do not install this equipment in a confined space such as a book case or similar unit.
*The apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such vases, shall be placed on the apparatus.
*Worded: “WARNING FOR YOUR PROTECTION PLEASE READ THE FOLLOWING-WATER AND MOISTURE: Unit should not be used
near water(e.g. near a bathtub, washbowl, kitchen sink, laundry tub, in a wet basement, or near a swimming pool, etc). Care should be taken
so than objects do not fall and liquids are not spilled into the enclosure through openings.”
This symbol is intended to alert the user to the
presence of uninsulated “dangerous voltage”
within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric
shock to persons.
This symbol is intended to alert the user to the
presence of important operation and maintenance (servicing) instructions in the literature
accompanying the appliance.
Caution: To prevent electric shock do not use this (polarized) plug
with an extension cord, receptacle or other outlet unless
the blades can be fully inserted to prevent blade exposure.
Attentions: Pour prévenir les chocs électriques ne pas utiliser cette
fiche polarisée avec un prolongateur, une prise de
courant on une autre sortie de courant, sauf si les
lames peuvent étre insérées à fond sans en laisser
aucune partie à découvert.
2
L800/1400/1800/2400
PROFESSIONAL POWER AMPLIFIER
Unpacking
Please take a few minutes to read this manual to familiarize yourself with important information regarding
installation, product features, and operation.
As with most electronic devices, ORIGINAL PACKAGING (OR EQUAL) IS REQUIRED in the unlikely event
that the product needs to be returned for servicing.
Short Form Instructions
1. Do not connect the AC power until step 6. The ac mains POWER switch should be in the OFF position.
2. Adjust both of the LEVEL controls to the fully attenuated position (turn fully counter-clockwise).
3. Connect an appropriate line level input signal to either the balanced XLR or the balanced 1/4” TRS
(Tip-Ring-Sleeve) connector marked INPUTS.
4. Move the MODE selector to the desired position. The Stereo position is the most common.
5. Connect the OUTPUTS to the speaker load according to the mode of operation determined in the previous step.
6. With the ac mains POWER switch in the OFF position, plug in the supplied Universal AC power cord
to the product and connect to an appropriate AC source.
7. Depress the ac mains POWER switch to the ON position. The indicator within the power switch will
illuminate.
8. The product is ready for operation. Slowly increase the LEVEL control to the desired operating level.
Avoid illuminating the PEAK indicator and do not apply too much power to the speakers.
9. Operate the product and the system in a manner which DOES NOT illuminate the PEAK warning indicator.
3
L800/1400/1800/2400
PROFESSIONAL POWER AMPLIFIER
Installation
Installation
Environment
Never place this product in an environment which could alter its performance or reduce its service life. Such
environments usually include high levels of heat, dust, moisture, and vibration.
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 dry cloth.
7. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) 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. The wide blade or the third prong are provided for your safety. If the provided plug does not fit
into your outlet, consult an electrician for replacement of the obsolete outlet.
10. Protect the power cord from being walked on or pinched particularly at plugs, convenience receptacles,
and the point where they exit from the apparatus.
11. Only use attachments/accessories specified by the manufacturer.
12. Use only with the cart, stand, tripod, bracket, or table specified 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 qualified 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.
S3125A
S3125A
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