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Operation Manual
Network Streaming Mixing Amplifier
PN-106/112
PN-224/236/248/260
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NETWORK STREAMING 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
presence of uninsulated “dangerous voltage” within
the product’s e nclosur e that may be of suff icient
magnitude to constitute a risk of electric shock to
persons.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK.
DO NOT REMOVE COVER (OR BACK).
O USER-SERVICEABLE PARTS INSIDE.
N
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.
ATTENTION : RISQUE DE CHOC ELECTRIQUE
NE PAS QUVRIR
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.
*Warning : To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture and objects filled with liquids, such as vases,
should not be placed on this apparatus.
*This apparatus shall be connected to a mains socket outlet with a protective earthing connection.
To completely disconnect this apparatus from the AC mains, disconnect the power supply cord plug from the AC receptacle.
*
*
The mains plug of the power supply cord shall remain readily accessible.
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.
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 exten sion cord, rece ptacl e 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 fond sans e n la isser auc un e pa rtie à
découvert.
Pour decon ne ct er c omplete me nt l ’a ppareil du rese au
d’alimentation. deconnecter le cordon d’alimentation de la
prise murale.
La prise du reseau d’alimentation doit demeurer aisement
accessible.
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NETWORK STREAMING MIXING AMPLIFIER
Contents
Contents
Unpacking .......................................................................................................................................2
Installation
Environment....................................................................................................................................2
Important Safety Instructions.............................................................................................................2
Features ...........................................................................................................................................3
Contents and Accessories .............................................................................................................3
Front Panel ......................................................................................................................................4
Rear Panel .......................................................................................................................................5
How to use the front panel controls............................................................................................8
Applications ....................................................................................................................................9
Troubleshooting............................................................................................................................10
Block Diagram ..............................................................................................................................11
Specifications ................................................................................................................................12
Service
Procedures....................................................................................................................................16
Schematic.....................................................................................................................................16
Parts List .......................................................................................................................................16
Variations and Options...............................................................................................................16
Warranty .......................................................................................................................................16
PN-106/112/224/236/248/260
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NETWORK STREAMING MIXING AMPLIFIER
Unpacking
Unpacking
Although your PN-106/112/224/236/248/260 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
PN-106/112/224/236/248/260
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NETWORK STREAMING MIXING AMPLIFIER
Features
Features
- HIGH-POWERED, HIGH-CAPACITY CLASS-D POWER AMPLIFIER
High-powered, High-capacity CLASS-D Power Amplifier was applied.
PN-106: 60W, PN-112: 120W, PN-224: 240W, PN-236: 360W, PN-248: 480W, PN-260: 600W
- DESIGN OF 1U/2U SIZE, SWITCH MODE POWER SUPPLY (SMPS) TECHNOLOGY
This device design of 1U (PN-106/112), 2U (PN-224/236/248/260) size and uses highly efficient, light
weight SMPS technology.
- 1.3INCH OLED SCREEN
User can check various information from this screen.
- ANALOG AUDIO INPUT TERMINAL
XLR, RCA Analog Audio input terminal is provided.
- CUSTOMIZABLE BROADCASTING PRIORITY
User can customize the broadcasting priority. When there is an input with a higher priority, inputs of lower
priorities are muted.
- AOE(AUDIO OVER ETHERNET) AUDIO STREAMING
Integration software (MS-N300) let to you receive audio data as real-time.
- SELECTABLE OUTPUT IMPEDANCE (70V/100V/LOW-Z)
User can select the output impedance between 70V/100V/Low-Z with the selector switch.
- REMOTE CONTROL AND MANAGEMENT VIA NETWORK
User can adjust the volume of each channel and the master volume or manage the whole system via accessing
the setting web page through network.
- HIBERNATION
User can set the device to hibernate via setting web page.
When the device is hibernated, the power consumption is minimized. Waking up takes approx 5 seconds for
PN-106/112, and 10 seconds for PN-224/236/248/260.
- SLEEP/WAKEUP
The device automatically goes into the sleep mode when there is no audio input for certain time to reduce the
power consumption.
User can adjust the setting or disable the sleep mode via setting web page.
The device automatically wakes up when there is an audio input.
Contents and Accessories
Contents and Accessories
1. AC cord x 1EA
2. Operation manual x 1EA
3. LAN Cable (500mm) x 1EA
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NETWORK STREAMING MIXING AMPLIFIER
1 2 3 4 5
1 2 3 4 5
Front Panel
Front Panel
1. NETWORK STATUS LED
Indicates the network status. LED is off when the device is in hibernation.
2. AMPLIFIER FAULT LED
- RED: Amplifier fault condition
- AMBER: Blinks when the device is in hibernation or sleep mode
- GREEN: Input signal is overloaded
- OFF: Normal condition
3. OLED DISPLAY
Network status, Master Volume is displayed on OLED DISPLAY.
- IP Address, Subnet mask, DNS Server, Mac Address, Network Usage, Master Volume
4. DISPLAY CONTROL KNOB
This changes the information of the display or adjusts the master volume.
Pushing the knob switches between information and the master volume control.
5. POWER LED
- GREEN: Ready
- AMBER: Hibernation or Booting up
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Rear Panel
1 2 3 5 7
64
8 9
1 2 3 5 7
64
8 9
Rear Panel
NETWORK STREAMING MIXING AMPLIFIER
1. AC INPUT
It is a terminal to supply power to this device. Do not bend by force, pull, twist, heat, or cut the power cord.
It may cause a fire or electric shock by damaging the cord.
2. AC POWER SWITCH
This switches the device power ON/OFF.
3. IMPEDANCE SELECTOR
Selects the amplifier’s output impedance
※ Caution: Choose adequate impedance before connecting a speaker to prevent damaging the speaker
4. SPEAKER TERMINALS
Connect speakers to these terminals. Left two terminals are for high-impedance connection and right two
terminals are for low-impedance connection.
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NETWORK STREAMING MIXING AMPLIFIER
8Ω
SPEAKER
4Ω
P
N-103: 8Ω
PN-106: 8Ω
PN-112: 4Ω
PN-224: 4Ω
PN-236: 4Ω
PN-248: 4Ω
PN-260: 4Ω
PN-103: 163Ω
PN-106: 82Ω
PN-112: 41Ω
PN-224: 21Ω
PN-236: 13.6Ω
PN-248: 10.2Ω
P
N-260: 8.1Ω
PN-103: 333Ω
PN-106: 166Ω
PN-112: 84Ω
PN-224: 42Ω
PN-236: 27.7Ω
PN-248: 20.8Ω
PN-260: 16.6Ω
※ Connecting Speakers
Before connecting speakers to PN-Series unit, be sure to disconnect the AC power cable.
FOR 100V TERMINAL
FOR 4(8) TERMINAL
FOR 70V TERMINAL
6
(ONE 8 SPEAKER)
(PN-106)
(ONE 4 SPEAKER)
(PN-112/224/236/248/260)
※ Select 4(8) for 4(8) output. (PN-106: 8, PN-112/224/236/248/260: 4)
※ Please make sure not to use 4(8), 70V, 100V terminals simultaneously.
※ NOTE:
1. Make certain that the total impedance is not less than the rated impedance indicated.
2. Please make sure not to use 4(8), 70V, 100V terminals
3. Impedance selection switch should be set properly to use high impedance output terminal. (70V, 100V)
PN-106/112/224/236/248/260
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NETWORK STREAMING MIXING AMPLIFIER
XLR
1
2
3
5. AUDIO INPUT TERMINALS
Connect audio inputs to these terminals.
NPUT 1: XLR connector
I
INPUT 2: XLR Connector or RCA
Please use a balanced cable for the XLR connectors. Refer to the picture below for an unbalanced connection
XLR JACK
Connect a stereo output source device to the RCA connectors of the INPUT 2. (Unbalanced, 0dBV/1Vrms)
6. INPUT GAIN
Adjust the GAIN of each INPUT 1, 2. (Min: +10dB, Max: +60dB)
Please note that the GAIN control for the RCA jack of INPUT 2 is not provided
7. MIC PHANTOM POWER ON/OFF SWITCH
When the switch is ON, DC 24V is supplied to the XLR jack of INPUT 1, 2 to power electret microphones.
Please note that the PHANTOM POWER SWITCH does not affect the RCA jack of INPUT 2
※ Caution: Make sure that this switch is in OFF position when connecting dynamic microphones
8. ETHERNET PORT
Connect a network cable to this port. User can control the device via setting web page.
※ Refer to the Software Manual for setting up the device. Please download the manual from our
website(www.inter-m.net).
9. FACTORY RESET SWITCH
Press more than 10 seconds to reset the device to the factory settings.
PN-106/112/224/236/248/260
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NETWORK STREAMING MIXING AMPLIFIER
How to use the front panel controls
How to use the front panel controls
①The device is ready. Model name, S/W version, network information, and master volume level are
displayed.
②Turn the knob to the clockwise direction increases the master volume level, and turn to the counter-clockwise
direction to lower the master volume level.
③Push the knob switches to the Network info. screen. IP, Subnet Mask, DNS, and Mac Address are displayed.
④Turn the knob to any direction switches to the Network Usage screen. RX/TX data rates are displayed.
※Push the knob at the Network Info. or Network Usage screen switches back to the initial status.
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Applications
NCS-1000
PC/Smart Phone
C
D Player
CD Player
NC-900
Network Switch
Speaker
PN Series
Network
MIC
MIC
Audio(MIC/Line)
Audio(Low/High-Z)
Network
Applications
NETWORK STREAMING MIXING AMPLIFIER
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NETWORK STREAMING MIXING AMPLIFIER
Troubleshooting
Troubleshooting
Issue Solution
No audio output
1) Check the power status of the amplifier
2) Check the impedance switch is in adequate position
3) Check volume level or MUTE status at the setting web page
4) Check the speaker line connection
Audio cuts off
Audio output is distorted
Priority mute doesn’t work 1) Check the priority setting at the setting web page
1) Check if the sum of total speakers’ output power does not exceed
the rated output of the amplifier
1) Adjust the input level or master volume at the setting web page
2) Check volume of input channel or master volume in web page
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PN-106/112/224/236/248/260
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Block Diagram
SPK
SPK
SPK
ZYNQ
Link/A ct LED
Ethernet
PHY
INPUT1(XLR) INPUT2(X LR)
INPUT2(RCA )
DSP AMP
LIMITTER LED CO NTROL(GPIO)
INPUT3(I2S)
+2.5V
+1.5V
(BUCK)
REG
+1.8V
DCDC
+1.0V
REG
+24V
+3.3V
+3.3V
DCDC
+5V
SMPS
-VB
+VA
-
VA
+
VB
+24VD
AC POWER
(BUCK)
(BUCK)
DCDC
(BUCK)
DCDC
(BUCK)
DCDC
Reset Swi tch
Impedance Switch
Block Diagram
NETWORK STREAMING MIXING AMPLIFIER
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NETWORK STREAMING MIXING AMPLIFIER
Specifications (PN-106/112)
Specifications
PN-106 PN-112
Output Power
(1kHz, THD. 1%, AES17)
Frequency Response
(1W, 0±3dB, 20kHz LPF)
THD (Rated Power, 1kHz, AES17) Less than 1%
S/N (S/N, A-WTD)
@1kHz
Input Sensitivity / Impedance
Input 1 / Input Impedance MIC -60dBV / 2k (Balanced)
Input 2 / Input Impedance
Input 3 (Network) Audio Client 0dBV
Low-Z/70V/100V 60W 120W
LINE / Audio Client 80Hz~15kHz
MIC 100Hz~15kHz
LINE / Audio Client Better than 70dB
MIC Better than 55dB
LINE 0dBV / 24k (Unbalanced)
MIC -60dBV / 2k (Balanced)
100V / 166 100V / 84
Speaker Output Level / Impedance
Network Communication 100/1000 base-T (RJ-45)
Operating Temperature
Operating Power AC 120-240V, 50/60Hz
Power consumption (Rated/8 W output) 55W
Weight (Set) 4.49kg/9.89lb
Dimensions (Set)
* Design and specification are subject to be changed for the improvement of product quality without pre notice.
12
PN-106/112/224/236/248/260
420(W) x 44(H) x 320(D)mm/16.5(W) x 1.7(H) x 12.6(D)in
70V/ 82 70V / 41
22V / 8 22V / 4
-10℃~ +40℃
Page 15
Specifications (PN-224/236/248/260)
Specifications
NETWORK STREAMING MIXING AMPLIFIER
PN-224PN-236PN-248PN-260
Output Power
(1kHz, THD. 1%,AES17)
Frequency Response
(1W, 0±3dB, 20kHz LPF)
THD (Rated Power, 1kHz, AES17) Less than 1%
S/N (S/N, A-WTD)
@1kHz
Input Sensitivity / Impedance
Input 1 / Input Impedance MIC
Input 2 / Input Impedance
Input 3 (Network) Audio Client 0dBV
Low-Z/70V/100V 240W 360W 480W 600W
LINE / Audio Client 80Hz~15kHz
MIC 100Hz~15kHz
LINE / Audio Client Better than 70dB
MIC Better than 55dB
-60dBV / 2kΩ(Balanced)
LINE
MIC
100V /42Ω100V /27.7Ω100V /20.8Ω100V /16.6Ω
0dBV / 24kΩ(Unalanced)
-60dBV / 2kΩ(Balanced)
Speaker Output Level / Impedance
Network Communication 100/1000 base-T (RJ-45)
Operating Temperature
Operating Power AC 220-240V, 50/60Hz AC 120V-240V, 50/60Hz
Power consumption (Rated/8 W output) 110W 150W
Weight (Set) 5.02kg/11.06lb 5.23kg/11.53lb
Dimensions (Set)
* Design and specification are subject to be changed for the improvement of product quality without pre notice.
70V / 21Ω70V/ 13.6Ω70V / 10.2Ω 70V / 8.1Ω
31V / 4Ω38V / 4Ω44V / 4Ω49V / 4Ω
-10℃~ +40℃
420(W) x 88(H) x 320(D)mm/16.5(W) x 3.5(H) x 12.6(D)in
PN-106/112/224/236/248/260
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NETWORK STREAMING MIXING AMPLIFIER
420
4
20
44 320
DIMENSIONS (PN-106/112)
※
14
PN-106/112/224/236/248/260
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DIMENSIONS (PN-224/236/248/260)
420
4
20
88
320
※
NETWORK STREAMING MIXING AMPLIFIER
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NETWORK STREAMING MIXING AMPLIFIER
Service
Service
Procedures
Take steps to insure the problem is not related to operator error or other products within the system. Information
provided in the troubleshooting portion of this manual may help with this process. Once it is certain that the
problem is related to the product contact your warranty provider as described in the warranty section of this
manual.
Schematic
A Schematic is available by contacting your warranty provider.
Parts List
A Parts List is available by contacting your warranty provider.
Variations and Options
Variations and Options
Variations
Products supplied through legitimate sources are compatible with local AC power requirements.
Options
No optional items are available for this product.
Warranty
Warranty
Warranty terms and conditions vary by country and may not be the same for all products. Terms and conditions
of warranty for a given product may be determined first by locating the appropriate country which the product
was purchased in, then by locating the product type.
To obtain specific warranty information and available service locations contact Inter-M directly or the
authorized Inter-M Distributor for your specific country or region.
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PN-106/112/224/236/248/260
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Inter-M, Ltd. (Korea) began operations in 1983.
Since then, Inter-M has grown to become one of the largest manufacturers
of professional audio and commercial sound electronics equipment in the world.
Inter-M has gained worldwide recognition for its own branded products,
as well as private label manufacturing of electronics sold under other names (OEM).
The company is no longer just a Korean company, but rather a global company
that is truly international in scope, with factories and offices in Korea and China,
and sales and marketing operations located in Japan, Europe, and the U.S.A.
With more than 850 employees around the globe,
Inter-M is well-poised for further growth and expansion.
Inter-M Americas, INC.
5666 CORPORATE AVE. CYPRESS, CA 90630
TEL : +1-714-828-2200, FAX : +1-714-828-2210
Home Page : http://www.inter-m.net, E-mail : info@inter-m.net
Inter-M Corporation
SEOUL OFFICE : 719, DOBONG-RO, DOBONG-GU, SEOUL, KOREA
TEL : +82-2-2289-8140~8, FAX : +82-2-2289-8149
Home Page : http://www.inter-m.com, E-mail : overseas@inter-m.com
MADE IN KOREA
August 2019 149021
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