Inter-m PA-2312 Operation Manual
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Inter-m PA-2312 Operation Manual

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P -2312
Public ddress 2 CH Power mplifier
PA 2312
PUBLIC ADDRESS 2 CH POWER AMPLIFIER
CHANNEL 1
CHANNEL 2
PROT
PROT
CLIP
CLIP
- 10dB
- 10dB
- 40dB
- 40dB
10 9
11
11
12
8
12
13
7
13
15
15
6
17
17
5
19
4
19
22
3
22
29
2
29
54
54
1
0 0
0
0 0
* Rack mount products in the Western Hemisphere(North merica, South merica,
and the Caribbean) do not have handles installed due to customer preference.
10 9
8
POWER
7
6
ON
5
4
3
OFF
2
1
0

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Summary of Contents for Inter-m PA-2312

  • Page 1 P -2312 Public ddress 2 CH Power mplifier PA 2312 PUBLIC ADDRESS 2 CH POWER AMPLIFIER CHANNEL 1 CHANNEL 2 PROT PROT CLIP CLIP - 10dB - 10dB - 40dB - 40dB 10 9 10 9 POWER * Rack mount products in the Western Hemisphere(North merica, South merica, and the Caribbean) do not have handles installed due to customer preference.

  • Page 2: Table Of Contents

    Contents Contents Welcome Warning............................1 Unpacking ............................2 Installation Environment............................2 Important Safety Instructions......................2 Features ............................3 ccessories.............................3 Operation ............................3 Front Panel ............................4 Rear Panel ............................5 Connecting Speakers ........................7 pplications ............................8 Block Diagram ..........................9 Specifications ..........................10 Service Procedures............................11 Schematic .............................11 Parts List ............................11 Variations and Options .......................11 Warranty ............................11...

  • Page 3: Warning

    Welcome personal welcome to you from the management and employees of Inter-M ll 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 4: Unpacking

    PUBLIC DDRESS 2 CH POWER MPLIFIER Unpacking lthough your P -2312 Power mplifier 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

    PUBLIC DDRESS 2 CH POWER MPLIFIER Features Features - HIGH POWER, LOW DISTORTION 120W of RMS power with less than 1% THD. - DV NCED PROTECTION CIRCUITRY Thermal and current overload protection, power-on delay and automatic idling circuitry for component and loudspeaker protection.

  • Page 6: Front Panel

    PUBLIC DDRESS 2 CH POWER MPLIFIER Front Panel Front Panel PA-2312 PUBLIC ADDRESS 2 CH POWER AMPLIFIER CHANNEL 1 CHANNEL 2 PROT PROT CLIP CLIP - 10dB - 10dB - 40dB - 40dB 10 9 10 9 POWER 1. PROTECTION INDIC TOR This LED indicates the state of the amplifier’s protection circuitry.

  • Page 7: Rear Panel

    PUBLIC DDRESS 2 CH POWER MPLIFIER Rear Panel Rear Panel C INPUT POWER Connect the supplied standard C input cable here. 2. SPE KER OUTPUT TERMIN LS These terminals are provided for connecting speakers to the unit. Make certain the combined impedance of the speakers is equal to or higher than the rated output impedance of the amplifier.
  • Page 8 PUBLIC DDRESS 2 CH POWER MPLIFIER UDIO INPUTS Balanced input connectors are provided on both male and female XLR jacks for convenience. 7. GROUND LIFT SWITCH This switch provides for connection or disconnection of the amplifier’s ground to C “earth” ground, to prevent noise from ground loops.

  • Page 9: Connecting Speakers

    PUBLIC DDRESS 2 CH POWER MPLIFIER Connecting Speakers Connecting Speakers Before connecting speakers to your P -2312 unit, be sure to disconnect the C power cable. Make certain that the total impedance is not less than the rated impedance indicated. For 4 speakers, connect the positive (+) connector to the 22V(4 ) terminal and the negative (–) connectors to the COM terminal.

  • Page 10: Pplications

    DC INPUT CH 8 CH 7 CH 6 CH 5 CH 4 CH 3 CH 2 CH 1 PA-2312 PS-9116 OC03 OC03 02 1 AMP IN 1 GROUP2 DC INPUT CH16 CH15 CH14 CH13 CH12 CH11 CH10 CH9 AMP IN 2...

  • Page 11: Block Diagram

    PUBLIC DDRESS 2 CH POWER MPLIFIER Block Diagram Block Diagram P -2312...

  • Page 12: Specifications

    PUBLIC DDRESS 2 CH POWER MPLIFIER Specifications.............. Specifications 0dB=0.775Vrms - ELECTRIC L Rated Output (RMS, THD 1%, 1kHz) .....................120W Input Sensitivity/Impedance.....................1V/10k , Balanced T.H.D ............................Less than 1% S/N ............................Better than 95dB High Pass Filter........................-3dB at 400Hz Channel Separation ......................Less than –70dB Output Voltage/Impedance............EC, J P N: 4 /22V, 41 /70V, 83 /100V ..................US /C N D : 4 /22V, 5.2 /25V, 41 /70V - GENER L...

  • Page 13: Service

    To obtain specific warranty information and available service locations contact Inter-M directly(in Korea or the US ) or the authorized Inter-M Distributor for your specific country or region.
  • Page 14 NOTE...
  • Page 15 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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