Inter-m PA-1000B Operation Manual

Public address amplifier
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Operation Manual
Public Address Amplifier
PA-1000B

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Summary of Contents for Inter-m PA-1000B

  • Page 1 Operation Manual Public Address Amplifier PA-1000B...
  • 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.
  • Page 3: Table Of Contents

    ............................2 Installation Environment............................2 Important Safety Instructions......................2 Features ............................3 Accessories.............................3 Operation ............................3 Front Panel ............................4 Rear Panel ............................5 Connecting Speakers ........................7 Applications ............................9 Block Diagram ..........................10 Specifications ..........................11 Service Procedures............................12 Schematic.............................12 Parts List ............................12 Variations and Options .......................12 Warranty ............................12 PA-1000B...
  • Page 4: Unpacking

    PUBLIC ADDRESS AMPLIFIER Unpacking Unpacking Although your PA-1000B 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: Features

    Keep volume levels at minimum gain before switching on. NOTE: The system’s operation is delayed by approximately three seconds after pressing the AC Mains power switch. This is due to the built-in protection circuitry, designed to protect the speakers and other system components. PA-1000B...
  • Page 6: Front Panel

    Pressing this switch switches the unit on, as indicated by the power indicator LED above the switch. Pressing it again switches the unit off. 8. OUTPUT LEVEL DISPLAY This multi-segment LED meter indicates the amplifier’s output level in RMS. PA-1000B...
  • Page 7: Rear Panel

    Aux Level control. 5. MIC 1, 2 INPUTS Inputs on balanced XLR and 1/4" phone jacks accept a standard mic-level or line-level input. The level of this input is controlled by the front-panel Mic 1 or Mic 2 Level control. PA-1000B...
  • Page 8 CD or cassette deck. 11. MUTE CONTROL When signal is present at Mic 1 or Chime input, all other inputs are muted. This control adjusts the level of Mic 1 and Chime output when muting is in use. PA-1000B...
  • Page 9: Connecting Speakers

    FOR 70V TERMINAL FOR 100V TERMINAL Be sure that total impedance is not less than rated impedance. Be sure that total impedance is not less than rated impedance. (Figure 2-3) (Figure 2-4) PA-1000B...
  • Page 10 FOR 25V TERMINAL FOR 70V TERMINAL Be sure that total impedance is not less than rated impedance. Be sure that total impedance is not less than rated impedance. (Figure 2-3) (Figure 2-4) PA-1000B...
  • Page 11: Applications

    PUBLIC ADDRESS AMPLIFIER Applications Applications DECK PA-1000B...
  • Page 12: Block Diagram

    PUBLIC ADDRESS AMPLIFIER Block Diagram Block Diagram PA-1000B...
  • Page 13: Specifications

    PUBLIC ADDRESS AMPLIFIER Specifications Specifications PA-1000B Rated Output Power 30W (RMS) PL55 : 1mV(-60dB)/10kΩ MIC1, 2 XLR : 0.3mV(-70dB)/10kΩ Input Sensitivity/Impedance 0.775V(-2dB)/10kΩ TELEPHONE 0.775V(-2dB)/600Ω LINE N 1V(0dB)/10kΩ MIC1, 2 Less than 1% Less than 1% T.H.D (@ 1kHz Rated Output)
  • Page 14: Service

    To obtain specific warranty information and available service locations contact Inter-M directly(in Korea or the USA) or the authorized Inter-M Distributor for your specific country or region.
  • Page 15 NOTE PA-1000B...
  • Page 16 NOTE PA-1000B...
  • Page 17 NOTE...
  • Page 18 NOTE...
  • 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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