Operation Manual Mixing Amplifier PMU-60N/120N/240N
MIXING AMPLIFIER 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.
MIXING AMPLIFIER Contents Unpacking .......................................................................................................................................2 Installation Environment....................................................................................................................................2 Important Safety Instructions.............................................................................................................2 Features..............................
MIXING AMPLIFIER Unpacking Although your PMU-60N/120N/240N 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.
MIXING AMPLIFIER Features - USB mp3 Player - USB Audio Stream - Internet Radio - Stream Receiver from AOE-212N - 2.
MIXING AMPLIFIER 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.
MIXING AMPLIFIER 6. PROTECTION MODE INDICATOR Indicated that the amplifier is in failure protection mode. 7. 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. 8. POWER SWITCH 9. POWER INDICATOR This LED Lights green when the unit is powered on. 10.
MIXING AMPLIFIER 2) INTERNET RADIO < radio list & radio main > Displays Broadcasting station. Output level meter display. Displays the URL of broadcasting station. 3) AOE stream Displays server IP address which is connected with AOE-212N. The setting of access server can be reconfigured through the internal Web browser page. Output level meter display.
MIXING AMPLIFIER MAC ADDRESS Displays default MAC ADDRESS of equipment. DHCP Displays DHCP setting. IP ADDRESS Displays IP address. GATEWAY Displays GATEWAY address. NETMASK Displays NETMASK address. DNS1,2 Displays DNS address. 5) MENU MODE - Select the desired menu by pressing the select button (From the left, USB/AOE/Internet Radio/NetworkBGM/Set up menu). 13. USB PLAYBACK BUTTONS 1) USB input port Insert a USB memory stick into the USB port.
MIXING AMPLIFIER 5) MODE button Sets the play mode by pressing the button in regular sequence. All song repeat all song random play all song randomly repeat repeat folder play folder random play folder random repeat 14. AUX INPUT 3.5mm Tip Ring Sleeve (TRS) jack on the front panel. 8 PMU-60N/120N/240N single song play All song repeat.
MIXING AMPLIFIER Rear Panel 1. AC MAINS (AC INLET) It accepts a standard IEC mains cable, provided. 2. REMOTE CHIME SWITCH TERMINAL This terminal is used to activate the 4 tone chimes remotely. 3. MANUAL MUTE TERMINAL When these two terminals are shorted, the output signal is blocked and the protection indicator on the front panel flashes. 4. VCA (VOLTAGE CONTROLLED AMPLIFIER) TERMINAL These two terminals provide connection for an external potentiometer.
MIXING AMPLIFIER 5. TEL IN TERMINAL This terminal is provided for connection with a telephone exchange system for paging purposes. NOTE : When the telephone input is active, all other input signal except AMP IN are muted. 6. TEL IN VOLUME CONTROL It controls the volume of the TEL IN. 7. TEL IN PRIORITY VOLUME CONTROL It controls the mute level of all other input signal when the TEL IN signal is present 8.
MIXING AMPLIFIER 13. MIX OUT This line-level output connects the amplifier to an external processing unit or recorder. 14. SPEAKER OUTPUT TERMINAL PMU-60N 15.5V/4Ω 100V/167Ω 70V/83Ω PMU-120N 22V/4Ω 100V/83Ω 70V/42Ω PMU-240N 31V/4Ω 100V/42Ω 70V/21Ω Please note that SP 1~5 terminal will be controlled by speaker selector switch of front panel.
MIXING AMPLIFIER Speaker Connection Before connecting speakers to the unit, be sure to disconnect the AC power cable. Make certain that the total impedance is not less than the rated impedance indicated.
MIXING AMPLIFIER Warning : For high impedance systems, connect with matching transformer as the following Figure. Be certain that the total impedance does not equal less than the rated impedance. Low Impedance (100V) (70V) PMU-60N 4Ω 167Ω 83Ω PMU-120N 4Ω 83Ω 42Ω PMU-240N 4Ω 42Ω 21Ω Please do not use a 4Ω and SP1~SP5 terminal at the same time.
MIXING AMPLIFIER System Connection 14 PMU-60N/120N/240N
MIXING AMPLIFIER Block Diagram PMU-60N/120N/240N 15
MIXING AMPLIFIER Specifications Rated Output Power PMU-60N PMU-120N PMU-240N 60W 120W 240W Frequency Response (SP OUT/1W output) 80Hz~15kHz T.H.D (Rated Output, 1kHz) Less than 0.5% S/N (Rated Output) More than 78dB Tone Control (100Hz, 10kHz) ±10dB Input Sensitivity/Impedance Input 1~5 MIC -50dBu/2kΩ LINE -10dBu/2kΩ Input 6 -10dBu/10kΩ TEL IN 0dBu/10kΩ EXT IN 0dBu/20kΩ MIX Out/Impedance 0dBu/10kΩ Speaker Output Level/Impedance LOW-Z 15.
MIXING AMPLIFIER DIMENSIONS - PMU-60N/120N - PMU-240N PMU-60N/120N/240N 17
MIXING AMPLIFIER Web Setting 1. Accessing PMU-N Series Web-page - If IP address has not been set, type the default IP address (192.168.1.99) – by pushing the factory set switch more than 5 second, the unit will be reset as default mode. When connected normally, user verification window will pop-up. ID: admin Password: 1 2.
MIXING AMPLIFIER 3. Operation Mode Setting One of three different modes can be set. (USB Player /Internet Radio/AOE Stream Receiver) Dedicated setting page will be shown according to operating mode setting. 4. Internet Radio Setting Select the broadcasting station from the Channel list then select broadcasting title from the Channel title then click the play button to play.
MIXING AMPLIFIER 5. AOE Stream Setting AOE Stream Select the server address and connection mode of AOE-212N which you want to access the The mode should be set the same as that of AOE-212N stream server. 6.
MIXING AMPLIFIER 7. Log View It displays the log information of unit setting and history of modification with time. If time has not been set, the log information will be shown with jan/ 1/ 1970 as default. 8. Upgrade After downloading an upgrade file from your PC, starts the upgrade by clicking the set button. Network settings will be retained after the upgrade.
MIXING AMPLIFIER 9. Rebooting Reboot the unit. Reboot process takes about 30 second. 10. Factory Setting The network and time setting will be reset to default setting.
MIXING AMPLIFIER 11. Password Setting Password set up page. When the unit is reset to factory setting, the password will be reset to the default password.
MIXING AMPLIFIER 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.
PMU-60N/120N/240N 3
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).