Inter-m DPA-4300M User manual

Operation Manual
Multi Channel Power Amplifier
DPA-4300M
*Rack mount products in the Western Hemisphere (North America South America and the Caribbean)
do not have handles installed due to customer preference.
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MULTI CHANNEL POWER 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!
RISK OF ELEC RIC SHOCK
DO NO OPEN
CAutION
CAU ION: O REDUCE HE RISK OF ELEC RIC SHOCK.
DO NO REMOVE COVER (OR BACK).
NO USER-SERVICEABLE PAR S INSIDE.
REFER SERVICING O QUALIFIED SERVICE PERSONNEL.
WARNING
o prevent fire or shock hazard, do not
expose the unit to rain or moisture.
*WARNING FOR YOUR PRO EC ION PLEASE READ HE FOLLOWING-WA ER AND MOIS URE: 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): he 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.
* his apparatus shall not be exposed to dripping or splashing and no objects filled with liquids, such vases, shall be placed on the apparatus.
* his apparatus shall be connected to a mains socket outlet with a protective earthing connection.
*
It has heed to be easy to disconnect the device. o disconnect the device from power, separate AC input cable from inlet or unplug the AC Cord.
CAutION
* hese servicing instructions are for use by qualified service personnel only. o 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
*his 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. hese limits are
designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. his 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.
his 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.
his symbol is intended to alert the user to the
presence of important operation and maintenance
(servicing) instructions in the literature accompanying
the appliance.
Caution: o 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.
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MULTI CHANNEL POWER AMPLIFIER
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DPA-4300M
Contents
Contents
Unpacking .......................................................................................................................................2
Installation
Environment....................................................................................................................................2
Important Safety Instructions.............................................................................................................2
Caution when installing Rack.......................................................................................................3
Features............................................................................................................................................4
Constitution and Accessory ..........................................................................................................4
Front Panel ......................................................................................................................................5
LCD Panel.........................................................................................................................................7
HPF OFF Setting method ...............................................................................................................9
Rear Panel .....................................................................................................................................10
I/O Contact Point Terminal for Remote Control ......................................................................12
How to Connect Speaker ............................................................................................................13
Communication Method between devices and PCs................................................................14
Applications ..................................................................................................................................16
Block Diagram ..............................................................................................................................17
Specifications ................................................................................................................................18
Service............................................................................................................................................20
Warranty .......................................................................................................................................20
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MULTI CHANNEL POWER AMPLIFIER
2DPA-4300M
Installation
Unpacking
Unpacking
Although your DPA-4300M 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 to retain the original packaging. In the unlikely
event the product must be returned for servicing the original packaging (or reasonable equivalent) is required.
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
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DPA-4300M
Caution when installing RACK
Caution when installing RACK
Please be aware the following items when installing this device into the rack.
1. Make air circulation in the rack proper. Open the rear panel of the rack or install the fan.
2. Install blank panels between every 5 amps when installing several amps to provide proper air circulation.
3. Blank panel included in the DPA-4300M should be installed in the channel which is not used among the sets.
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MULTI CHANNEL POWER AMPLIFIER
DPA-4300M
Features
Features
- High efficiency and low heat generation design using digital amp (OPT LESS) and SMPS
- Detachable and hot swappable module type for easy maintenance
- Individual power for each module. Amp operations of all channels will not be stopped due to single power
failure.
- SLEEP mode minimizes the power consumption because by automatically switching to power saving mode.
- LCD and LED indicators which display the status of amp in each channel. Information of select switch located in
the rear panel and operation status of amp can be checked easily.
- Remote site monitoring and control throughout contact point and TCP/IP. With contact point and TCP/IP
monitoring and control about various situations is possible.
- Bridge function. It supports Output Bridge between two channels to make maximum 600Wx2 output possible.
- CASCADE function. It distributes the input to other channel to make multi channel broadcastings possible with
only one input.
- Support selectable two signal inputs. Use PGM (Normal and PRI (Priority) inputs. It can response to emergency
broadcasting.
- Apply HPF total three selects are possible. It can response to various PA speakers.
※OFF mode has two select types. (OFF/65Hz factory setting is 65Hz)
- Apply protection circuits about over heat of amp (OTP) output short circuit (OCP) DC output (DCP) and power
failure (PFP). It uses the protection circuit for errors which can occur during the installation and operation.
- Apply module socket contact point protection circuit. Attach and detach of the module is possible while amp is
operated.
Constitution and Accessory
Constitution and Accessory
1. DM-4300M set x 1
2. DM- 300 module x 1
3. AC power cable x 1
4. 4P terminal block x 2
5. 5P terminal block x 4
6. 6P terminal block x 8
7. Screw x 4 for rack installation
8. DPA-4300M module Blank Panel x 3
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MULTI CHANNEL POWER AMPLIFIER
Front Panel
Front Panel
1. STATUS LED
- PROT : it will be on if protection circuit is operated due to error in the channel.
- CLIP : it will be on if error occurs in the channel.
- SIGNAL : it will be on if input signal is detected in the channel.
- SLEEP : If input signal is not detected for certain times in the channel it will be switched to the SLEEP mode
and LED will be on. If input is detected again it will be cleared.
- ST-BY : It will be on when the module is in Stand-by mode. It will be cleared if the module is available for
broadcasting by pushing the power switch.
2. POWER SWITCH
When switch is on each module will be switched from ST-BY to broadcasting mode and when it is off it
will be switched to ST-BY Stand-By.
3. LCD
It displays the information about the operation and control of the module.
. VOLUME SWITCH
- DPA-4300M supports two inputs; normal (PGM) and priority (PRI) inputs.
- If volume up switch or volume down switch is pushed PGM volume can be adjusted. Volume value will be
displayed on LCD.
- If volume up and down switches are pushed together for 2 seconds volume will be locked. Cleared if by
pushing for 2 seconds again.
- PGM MUTE will be set through GUI during TCP/IP communication.
※PGM MUTE will be cleared if volume up/down switches are pushed or module power is off/on.
1 2 3 4
76 5
5
DPA-4300M
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5. PRI VOLUME SELECTION SWITCH (CHECK IP)
- DPA-4300M supports two inputs; normal (PGM) and emergency (PRI). If volume up or down switch is
pushed while PRI switch is pushed PRI volume can be adjusted. Volume value will be displayed on LCD.
- If PRI switch is pushed for 5 seconds current IP value can be checked. It will be restored if PRI switch is
pushed again or after certain times.
- PRI input will be available if PRI SEL of rear side is on.
※HPF will be set to 400Hz when inputting the PRI.
6. TEST SWITCH
It is the switch which can test the protection of module. Protection circuit will be operated while pushing it
and speaker output will be off.
7. VENT
It is the ventilation air path to cool the inside temperature. Caution: Not to block the vent. Clean regularly.
※Install the blank panel in the unused channel because failure due to foreign substance may occur.
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DPA-4300M
LCD Panel
LCD Panel
1. FAN SPEED
It displays the fan speed installed in the rear of each module. Speed will be adjusted automatically
depending on temperatures of amp heat sink.
2. HEAT SINK TEMP
It displays the temperature of amplifier heat sink.
3. LOW CUT (HPF)
It Indicates the HPF switch selections of rear panel. (OFF : OFF LOW CUT 1 : 200Hz LOW CUT 2 : 400 Hz)
. PGM MUTE
It indicates if the PGM volume is in mute.
5. VOLUME LOCK
It indicates the lock status of volume.
6. PRI STATUS BOX
It indicates if PRI Priority program is selected.
7. PRI VOLUME LEVEL
It indicates the volume value of the PRI Priority input.
It displays CC when amplifiers are in CASCADE mode.
8. ID
It will be on when checking out the set IP in the front panel.
9. PGM VOLUME LEVEL
It indicates the volume value of PGM input.
It displays BR when amplifiers are in BRIDGE mode.
1
5
1
1
12
13
14
15
16
910
4
6
7
8
23
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8DPA-4300M
10. PGM STATUS BOX
It indicates normal input mode.
11. FAN FAULT
It indicates FAN failure.
12. OVER TEMP
It indicates that the amplifier is in protection mode due to overheat.
13. AMP FAULT
It indicates amplifier failure.
1 . OVER CURR
Indicator will be on when over current occurs due to short circuit of speaker output etc
15. RUN (NORMAL OPERATION CHECK)
This indicates that the amplifier is operated normally.
16. RUN (NORMAL OPERATION CHECK)
It indicates whether AC or DC power is being used.
Input power operation display.
Input Operation Status
AC AC AC
DC DC DC
AC DC AC AC DC
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DPA-4300M
HPF OFF Setting method
HPF OFF Setting method
When turning off the rear panel HPF switch frequency can be set 65Hz or OFF in the device.
(Channel 1 : CN14A1 Channel 2 : CN14A2 Channel3 : CN14A3 Channel 4 : CN14A4 factory setting is 65Hz)
OFF 65Hz
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10 DPA-4300M
Rear Panel
Rear Panel
1. INPUT/OUTPUT CONTACT POINT TERMINAL FOR REMOTE CONTROLS
It is a contact point which can monitor and control the amp status from the remote site.
2. INPUT TERMINAL
It is a signal input terminal. It supports PGM and PRI inputs. It is PGM + PGM - GND PRI - PRI + with
balance inputs.
3. BRIDGE MODE SELECT SWITCH
When switch is on two channels will be bridged to make maximum 600Wx2 possible. (Channel 1-2
Channel 3-4)
. CASCADE MODE SELECT SWITCH
It distributes the channel input into other channels. It is a switch to make same broadcasting cascaded with
one input and volume in other channels.
5. HPF SELECT SWITCH
Three available modes: OFF 200Hz and 400Hz with HPF select switch.
※Selection of HPF is only available in PGM input. PRI input is fixed to 400Hz.
1 2 5 34
1098 1176 12 13 14 15
Switch ON Detail
CH2 Input and volume of CH1 is distributed to CH2.
CH3 Input and volume of CH2 is distributed to CH3.
CH4 Input and volume of CH3 is distributed to CH4.
CH2 CH3 Input and volume of CH1 is distributed to CH2 and CH3.
CH3 CH4 Input and volume of CH2 is distributed to CH3 and CH4.
CH2 CH4 Input and volume of CH1 is distributed to CH2 Input and volume of CH3 is
distributed to CH4.
CH2 CH3 CH4 Input and volume of CH1 is distributed to CH2 3 4.
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DPA-4300M
6. ETHERNET PORT
RJ-45 jack ETHERNET network terminal with. (Use Direct cable.)
7. IP ADDRESS SETTING SWITCH
IP address ETHERNET communications setup switch.
8. AC POWER TERMINAL
It is an AC power code connecting terminal. Using power is AC 220V/60Hz.
9. AC FUSE
It is an AC main power fuse.
10. AC ST-BY FUSE
It is an AC ST-BY power fuse.
11. DC ST-BY FUSE
It is a DC ST-BY power fuse.
12. DC POWER TERMINAL
It is emergency backup battery (24V) connecting terminal. It uses connected backup battery in case of black
out of AC power.
※When DC power is operated amp will be switched to broadcasting status regardless of power switch or
contact point status of the module.
13. SPEAKER TERMINAL
It is a speaker output terminal. Normal operation is possible when it is on.
1 . OUTPUT VOLTAGE SELECT SWITCH
It is a switch which can select the output speaker line voltage of amp output. When it is on it is 70V and
100V for OFF.
15. TEMPERATURE DISPLAY METHOD SELECT SWITCH
Select the Celsius and Fahrenheit temperature display of LCD. On selects Fahrenheit and Off for Celsius.
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12 DPA-4300M
I/O Contact Point Terminal for Remote Control
I/O Contact Point Terminal for Remote Control
1. FAN FAULT CONTACT POINT OUTPUT
It displays the status of fan in each channel.
2. DC FAULT CONTACT POINT OUTPUT
It displays the status of DC power in each channel.
3. REMOTE POWER CONTACT POINT INPUT
It can turn on the amp in ST-By remotely throughout contact point. Amp operated remotely throughout the
contact point will not be switched to ST-BY even if power button of the module is off. It will be restored if
contact point is cleared.
. AMP FAULT CONTACT POINT OUTPUT
It displays the status of amp in each channel.
5. PRIORITY SELECT CONTACT POINT INPUT
It displays the status of AC power in each channel.
6. AC FAULT CONTACT POINT OUTPUT
When contact point is off PGM input will be output to the speaker and contact point is on PRI input will be
output to speaker. PRI input can be selected only by contact point.
321
654
CONTACT ON (SHORT) CONTACT OFF (OPEN)
REMOTE POWER CONTACT INPUT ON OFF
PRIORITY SELECT CONTACT INPUT ON OFF
AC FAULT CONTACT OUTPUT AC FAULT AC OK
DC FAULT CONTACT OUTPUT DC FAULT DC OK
AMP FAULT CONTACT OUTPUT AMP FAULT AMP OK
FAN FAULT CONTACT OUTPUT FAN FAULT FAN OK
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DPA-4300M
How to Connect Speaker
How to Connect Speaker
- Installation of Speaker
When connecting the speaker remove the power code from the condenser and connect it to the speaker
depending on types and connecting methods of the speaker.
※Not to connect the speaker less than rated impedance stated in below table.
MODE RATED IMPEDANCE
100V 70V
NORMAL 33.33 Ω16.33 ΩBRIDGE 16.67 Ω8.17 ΩDPA-4300M_E_DPA-430H_E 14. 1. 3. 오후 1:43 페이지 16

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1 DPA-4300M
Communication Method between devices and PCs
Communication Method between devices and PCs
1. IP ADDRESS SETUP SWITCH
It is a switch which sets up the IP Address when ETHERNET communicating.
1) Equipment ID Setup Method
- set up by using three switches in the rear panel.
- there are total three switches and first switch (1) indicates third digit second (2) and third (3) switch
indicate fourth digit of IP Address.
- Third digit of IP Address can be set to 0~14(E) by using number one switch. 15(F) is not used.
- fourth digit of IP Address can be set to 0~255(FF) by using number two and three switches and method is
as below.
2) Example of IP ADDRESS setup
- when setting with 192 . 168 . 10 . 100
Set the third digit ‘10’ to number 1 switch ‘A(10)’.
Fourth digit ‘100’ is set to number one switch and number 2 switch is to ‘6’ and number 3 switch to 4
which is remainder. (64 )16 = (100)10 Switches are HEX Codes.
3) Caution
- when connecting one or more amps caution not to overlap the IP address values.
When IP address are overlapped monitoring and volume controls will not available from PC. However
volume control with amp volume is possible.
①②③192 . 168 . XX. XXXRotary
Value 0123456789ABCDEF
012345678910 11 12 13 14 15
Decimal
Number
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MULTI CHANNEL POWER AMPLIFIER
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DPA-4300M
4) How to connect PC and DPA-4300M
- Connect ETHERNET terminal of PC to ETHERNET terminal in the rear panel of DPA-4300M.
5) Connect PC with two or more DPA-4300Ms
- Connect ETHERNET terminal of PC to ETHERNET terminal in the rear panel of DPA-4300M throughout
HUB.
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MULTI CHANNEL POWER AMPLIFIER
16 DPA-4300M
Applications
Applications
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DPA-4300M
Block Diagram
Block Diagram
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MULTI CHANNEL POWER AMPLIFIER
100V 33.33ΩTHD 0.1% 300W x 4 (NORMAL)
Rated Output 70V 16.33 THD 0.1%
(1kHz with AES17)
100V 16.67 THD 10% 600W x 2 (BRIDGE)
70V 8.17 THD 10%
300W x 4 100V/33.33
Output Voltage 70V/16.33Ω600W x 2 100V/16.67
70V/8.17ΩInput Sensitivity 300W x 4 100V/70V 1V (0dBV) ± 3dB
Frequency Response 1W x 4 100V/70V 20Hz ~ 20kHz
Rated Output Less than 0.1%
T.H.D (300W x 4 100V/70V)
(1kHz with AES17) 1/3 Rated Output Less than 0.05%
(100W x 4 100V/70V)
S/N (300W x 4 100V/70V) More than 90dB
(20kHz LPF A-WTD)
OFF INPUT B'D HPF OFF : Lower than 20Hz
HPF INPUT B'D HPF ON : 65Hz -3dB ± 2dB
(300W x 4 100V/70V) 200Hz -3dB ± 2dB
400Hz -3dB ± 2dB
Operating Temperature -10°C ~ +40°C
Power Source 120VAC 60Hz 220-240VAC 50/60Hz
DC 24V
Power Consumption (1/8 Pmax DPA-4300M + DM-300 3EA) 260W
DPA-4300M 11 kg/24.3 Ib
Weight(set) DM-300 2.7 kg/6 Ib
DPA-4300M+DM-300 3EA 18.5 kg/41 Ib
Dimensions(set) 482(W) X 132(H) X 420(D) mm /19(W)x5.2(H)x11(D)in
* Design and specification are subject to be changed for the improvement of product quality without pre notice.
18 DPA-4300M
Specifications
Specifications DPA-4300MDPA-4300M_E_DPA-430H_E 14. 1. 3. 오후 1:43 페이지 21