Inter-M PMU-600 User Manual
Operation Manual
Mixing Amplifier
PMU-360/480/600
MIXING AMPLIFIER
Welcome
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!
This s ym bol is intende d to a lert the user to t he
CAutION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
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.
Caution: To prevent electric shock do not use this (polarized) plug with
Attentions: Pour prévenir les chocs électriques ne pas utiliser cette
WARNING
To prevent fire or shock hazard, do not
expose the unit to rain or moisture.
*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.
*CLASS 2 WIRING (Adjacent to speaker terminal): The speaker output of this apparatus can exceed 10 Watts and could be a shock injury.
Connection to speakers should be performed by a skilled person.
*Do not install this equipment in a confined space such as a book case or similar unit.
*This apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such vases, shall be placed on the apparatus.
*This apparatus shall be connected to a mains socket outlet with a protective earthing connection.
It has heed to be easy to disconnect the device. To disconnect the device from power, separate AC input cable from inlet or unplug the AC Cord.
*
CAutION
*These servicing instructions are for use by qualified service personnel only. To reduce the risk of electric shock, do not perform any servicing
other than that contained in the operating instructions unless you are qualified to do so.
NOtE
*This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment
generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will
be required to correct the interference at his own expense.
presence of uninsulated “dangerous voltage” within
the prod uct’s e nclosure that may be of suff icient
magnitude to constitute a risk of electric shock to
persons.
This s ym bol is intende d to a lert the user to t he
presence of important operation and maintenance
(servicing) instructions in the literature accompanying
the appliance.
an extension cord, receptacle or other outlet unless the blades
can be fully inserted to prevent blade exposure.
fiche polarisée avec un prolongateur, une prise de courant
on une autre sortie de courant, sauf si les lames peuvent
étre ins ér ées à fo nd sans e n laisser auc un e pa rtie à
découvert.
MIXING AMPLIFIER
Contents
Contents
Unpacking .......................................................................................................................................2
Installation
Environment....................................................................................................................................2
Important Safety Instructions.............................................................................................................2
Features............................................................................................................................................3
Front Panel ......................................................................................................................................4
Rear Panel .......................................................................................................................................6
Speaker Connection.......................................................................................................................8
System Connection.......................................................................................................................10
Block Diagram ..............................................................................................................................11
Specifications ................................................................................................................................12
Dimensions ...................................................................................................................................13
Service
Procedures....................................................................................................................................14
Schematic.....................................................................................................................................14
Parts List .......................................................................................................................................14
Variations and Options ...............................................................................................................14
Warranty .......................................................................................................................................14
PMU-360/480/600
1
MIXING AMPLIFIER
S
3125A
Unpacking
Unpacking
Although your PMU-360/480/600 is neither complicated nor difficult to operate, we recommend you take a
few minutes to read this brief manual and familiarize yourself with the important information regarding product
features, setup and operation.
As with most electronic devices, we strongly recommend you retain the original packaging. In the unlikely event
the product must be returned for servicing, the original packaging (or reasonable equivalent) is required.
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
2
PMU-360/480/600
Features
Features
- 2U Size
- 360W /480W /600W output power
- SMPS delivers high power output with low power consumption and weight reduction
- 5 Microphone/Line Inputs, EXT IN and TELL IN with individual volume control
- Input Level LED Monitor per channel
- Separate BASS/TREBLE Tone Controls
- 5 zone selection switches
- Independent built-in Attenuator over Zone 5.(Maximum 50W, more than 200Ω)
- PRIORITY
MIXING AMPLIFIER
- Remote MUTE and CHIME terminal
- VCA Remote volume controll
Operation
Operation
1. Make sure the power switch on the front of the unit is set to off and connect the power cord to the mains
outlet. Please set each input volume control to minimum position and set the tone controls to 0dB before
turning on the power switch.
2. Make sure the speaker cables and input cables are properly connected.
3. Before connecting power, always check the voltage of main power supply. (AC 220V or AC 110V)
4. After completing all connections, turn on the power switch, and check to confirm that the power indicator
lights.
5. Use input level control for corresponding to desired mixing volume levels and set the output level with master
volume control.
6. Use the Treble/Bass tone controls to change the tone of the output source.
PMU-360/480/600
3
MIXING AMPLIFIER
Front Panel
Front Panel
1. INPUT LEVEL CONTROL
Controls the level of each of the six input channels.
2. INPUT SIGNAL INDICATOR
These LEDs light green when input signal is present.
3. CHIME SWITCH
It activates the four tone chime circuitry. The chime indicator lights green when chime is on use.
4. TONE CONTROL
Controls the bass (100Hz) and treble (10KHz) tones of the main amplifier output.
5. PROTECTION MODE INDICATOR
Indicated that the amplifier is in failure protection mode.
6. MASTER VOLUME CONTROL
The master volume control to collectively control the sound level of all outputs and by turning the knob
clockwise to increase the volume and counterclockwise to decrease it.
7. POWER SWITCH
8. POWER INDICATOR
This LED Lights green when the unit is powered on.
* This terminal and switch is used on the advanced model PMU-360N/480N/600N.
It is not availiable for this product.
4
PMU-360/480/600
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