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Summary of Contents for Inter-m PAM-324
- Page 1 Operation Manual Public Address Amplifier PAM 312/324/336/348...
- Page 2 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.
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Page 3: Table Of Contents
PublIc Address AMPlIfIer Contents Contents Unpacking ............................2 Installation environment............................2 Important safety Instructions......................2 Features ............................3 Contents and Accessories ......................3 Front Panel ............................4 Rear Panel ............................6 Applications ..........................11 How to Mount the PAM Module ....................12 Precautions to Mount the FM Tuner Module ................12 Troubleshooting ..........................13... -
Page 4: Unpacking
PublIc Address AMPlIfIer Unpacking Unpacking Although your PAM-312/324/336/348 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. -
Page 5: Features
Features - A CLASS-D AMPLIFIER CAPABLE OF PRODUCING 120W/240W/360W/480W OUTPUT IS ADOPTED. (PAM-312: 120W, PAM-324: 240W, PAM-336: 360W, PAM-348: 480W) - THE AMPLIFIER PRODUCES HIGH-IMPEDANCE OUTPUT. (100V/70V) - IT SUPPORTS VARIOUS INPUT TYPES INCLUDING 3 MIC/LINES, 3 LINES, A STEREO INPUT, AND A TEL IN. -
Page 6: Front Panel
PublIc Address AMPlIfIer Front Panel Front Panel 1. INPUT VOLUME CONTROL ※ set the controls of the unused input terminal to the minimum value. The knobs are used to adjust the volumes of INPuT 1~6. Adjust the volume as you wish using the controls. 2. - Page 7 PublIc Address AMPlIfIer 6. POWER SWITCH It turns the power of the device on and off. When the power cord is plugged in, the device stays in standby mode. When the power switch is turned on, the device is turned on and the power indicator displays the green color. 7.
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Page 8: Rear Panel
Impedance and low output voltage are listed below. Model sP1~5/cOM Terminal How to connect sP 1~5∙cOM High-Impedance speaker(s) PAM-312 100V/84Ω 70V/41Ω PAM-324 100V/42Ω 70V/21Ω PAM-336 100V/27.7Ω 70V/13.6Ω PAM-348 100V/20.8Ω 70V/10.2Ω PAM-312/324/336/348... - Page 9 PublIc Address AMPlIfIer 3. IMPEDANCE SELECTION SWITCH It is a switch to select the impedance before connecting with the speaker(s). select 70V or 100V impedance as desired. 4. TEL IN TERMINAL It is a terminal to connect and use a unit such as TP-6231A, Private branch exchange (PbX), or Paging Adaptor.
- Page 10 PublIc Address AMPlIfIer (2) INPuT GAIN Volume: It adjusts the input sensitivity. If you set the volume to minimum, a signal of - 20 dbV (100 mVrms) can be input; if you set the volume to maximum, a signal of -60 dbV (1 mVrms) can ※...
- Page 11 PublIc Address AMPlIfIer 9. PRIORITY ADJUSTMENT VOLUME (PRIORITY MUTE) It adjusts how much the volume of the INPuT 3~6, eXT IN, and PAM module decreases if your device is operated under the following conditions. If you minimize the volume, the volume size to decrease is set to maximum; if you maximize the volume, the volume size to decrease is set to minimum.
- Page 12 PublIc Address AMPlIfIer 15. RM-05A CONNECTION TERMINAL It is a terminal to connect with our rM-05A. The pins of the terminal are arrayed as follows. Pin 1: Remote amplifier input signal hot (+) Pin 10: DC +24V Pin 2: Remote amplifier input signal cold (-) Pin 11: Remote chime Pin 3: Signal ground Pin 12: NC...
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Page 13: Applications
PublIc Address AMPlIfIer Applications Applications RM-05A AMPLIFIER CHIME MUTE TELEPHONE PAGING AUTOMATED REMOTE MESSAGE MIXER INTERNET STREAMING RECEIVER PAM-312/324/336/348... -
Page 14: How To Mount The Pam Module
PublIc Address AMPlIfIer How to Mount the PAM Module How to Mount the PAM Module (1) Turn off the device before connecting the PAM module. (2) remove the screws from the module slot in front and open it. (3) Insert the module to mount completely into the slot. (4) fix the 4 edges of the module with screws. -
Page 15: Troubleshooting
PublIc Address AMPlIfIer Troubleshooting Troubleshooting symptom solution 1) check whether power is supplied to the device. 2) check whether the volume of the connected input channel is locked. Audio is not output 3) check whether the speaker output switch is turned off. 4) check whether the external MuTe contact closure is connected. -
Page 16: Block Diagram
PublIc Address AMPlIfIer Block Diagram Block Diagram PAM-312 PAM-312/324/336/348... - Page 17 PublIc Address AMPlIfIer PAM-324/336 PAM-312/324/336/348...
- Page 18 PublIc Address AMPlIfIer PAM-348 PAM-312/324/336/348...
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Page 19: Specifications
PublIc Address AMPlIfIer Specifications Specifications PAM-312 PAM-324 PAM-336 PAM-348 rated Output Power 70V/100V 120W 240W 360W 480W (1kHz, THd 1%) lINe 80Hz~15kHz frequency response (1W, ±3db, 20kHz lPf) 100Hz~15kHz THd (rated Power, 1kHz) less than 1% lINe better than 70db... - Page 20 PublIc Address AMPlIfIer ※ DIMENSIONS PAM-312/324/336/348...
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Page 21: Service
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. - Page 22 NOTe...
- Page 24 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).
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