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Summary of Contents for Inter-m PM-236
- Page 1 Operation Manual Public Address Mixing Amplifier PM 236/248/260...
- 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
Important safety Instructions......................2 Overview ............................3 Features ............................3 Contents and Accessories ......................4 Operation ............................4 Front Panel ............................5 Rear Panel ............................7 Applications ..........................11 Block Diagram ..........................12 Specifications ..........................14 Service Procedures............................16 schematic.............................16 Parts list ............................16 Variations and Options .......................16 Warranty ............................16 PM-236/248/260... -
Page 4: Unpacking
PublIc Address MIxIng AMPlIfIer Unpacking Unpacking Although your PM-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. -
Page 5: Overview
Overview Overview PM-236/248/260 are designed to have higher output and a compact size by class-d design. They are configured with the models having respectively 360W/480W/600W of output, and can be used as High-Z (100V/70V) and low-Z (4Ω). PM series are designed to allow the stable operation for voice play and bgM application, and provide the ideal solution to various places like hospitals, restaurants, and schools. -
Page 6: Contents And Accessories
2. Please make sure the speakers and input jacks are properly connected before turn the power switch on. 3. be sure the Ac power is correct voltage before you plug into the power cord. (PM-236 : Ac 120V or Ac 220- 240V, 50/60Hz, PM-248/260 : Ac 120-240V, 50/60Hz) 4. -
Page 7: Front Panel
③ When led blinks (by pressing the button twice): Only the currently playing audio file is played repeatedly. 3. InPUt SIgnAl InDICAtOR If there is an input signal to InPuT 1~6, due input signal indicator lights up. PM-236/248/260... - Page 8 It is an indicator to indicate the level of the signal being printed. Output level is indicated with 3 - 4db interval. 14. ChIME SWItCh It is a switch to sound 4-note scale of chime. While chiming, a chime indicator on the left side of the switch lights up. PM-236/248/260...
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Page 9: Rear Panel
1. AC InPUt It is a terminal to supply power to this device. The power used for this is PM-236 : Ac 120V or Ac 220- 240V, 50/60Hz, PM-248/260 : Ac 120-240V, 50/60Hz. do not bend by force, pull, twist, heat, or cut the power cord. - Page 10 ※ be careful not to use 4Ω terminal and sP1 - 5 terminal (high-impedance speaker terminal) simultaneously. When connecting the speaker, connect the speaker to use to the speaker terminal on the rear panel in accordance with the following connection after removing the power cord from the outlet. PM-236/248/260...
- Page 11 ※ caution: be careful not to make total impedance of the speaker terminal to be lower than defined impedance in any case. Impedance and output voltage are as the following table. 4Ω SP1~5•COM Terminal PM-236 4Ω 100V/27.7Ω 70V/13.6Ω PM-248 4Ω...
- Page 12 1) When a signal is input to InPuT 1, 2 or cHIMe and sIren is operated 2) When external MuTe switch is operated ※ The broadcasting of InPuT 1~2, cHIMe, and sIren signals are printed in priority rather than InPuT 3) When a signal is input to Tel In input terminal 3~6, exT In. PM-236/248/260...
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Page 13: Applications
PublIc Address MIxIng AMPlIfIer Applications Applications MIXER PM-236/248/260... -
Page 14: Block Diagram
PublIc Address MIxIng AMPlIfIer Block Diagram Block Diagram PM-236 PM-236/248/260... - Page 15 PublIc Address MIxIng AMPlIfIer PM-248/260 PM-236/248/260...
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Page 16: Specifications
PublIc Address MIxIng AMPlIfIer Specifications Specifications PM-236 PM-248 PM-260 38V(4Ω) 44V(4Ω) 49V(4Ω) Output Power (1kHz, THd. 1%) 70V(13.6Ω) 70V(10.2Ω) 70V(8.1Ω) 100V(27.7Ω) 100V(20.8Ω) 100V(16.6Ω) lIne, Tel In better than 70db better than 50db rcA, 3.5Φ PHOne better than 70db JAcK MIc (bAlAnce) -60dbV / 2kΩ... - Page 17 PublIc Address MIxIng AMPlIfIer ※ DIMEnSIOnS PM-236/248/260...
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Page 18: 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 20 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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