Inter-m A-60 Operating Manual
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Table of Contents
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Summary of Contents for Inter-m A-60
- Page 1 A-60/A-120 Public Address Amplifier Copyright 2004 Inter-M Corporation...
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Page 2: Table Of Contents
A-60/A-120 Public Address Amplifier Contents Welcome ............................. 3 Unpacking ..........................3 Warnings ..........................3 Operation..........................5 Public Address Amplifier......................6 Features ............................6 Front Panel Controls........................7 Rear Panel Controls ........................8 Connecting Speakers......................... 9 Applications ..........................10 Block Diagram .......................... 11... -
Page 3: Welcome
A personal welcome to you from the management and employees of Inter-M Thank you for purchasing this fine Inter-M product. All of us here at Inter-M are dedicated to providing you with the highest quality products and the best value. - Page 4 A-60/A-120 Public Address Amplifier 8. Do not install near any heat sources such as radiators, heat registers, stoves, or other devices (including amplifiers) that produce heat. 9. Do not defeat the safety purpose of the polarized or grounding type plug. A polarized plug has two blades, with one wider than the other.
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Page 5: Operation
A-60/A-120 Public Address Amplifier Operation Make certain that speakers and input sources are properly connected before switching 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... -
Page 6: Public Address Amplifier
Public Address Amplifier A-60/A-120 Public Address Amplifier Features High Power, Low Distortion • 60W (A-60) or 120W (A-120) of RMS power, with less than 1% THD. Versatile and Easy to Use • Three Mic inputs, two Aux Inputs. Priority Muting •... -
Page 7: Front Panel Controls
Pressing it again switches the unit off. 2. Master Volume This knob controls the overall volume of the A-60/120 output. 3. Bass and Treble Controls These knobs control the high and low frequency response, by adding up to 12dB of cut (decrease) or boost (increase). -
Page 8: Rear Panel Controls
A-60/A-120 Public Address Amplifier Rear Panel Controls 1. Priority Mute Level When Mic Input 1 is active, it mutes all other input signals (priority muting). When priority muting is in effect, this control is used to set the amount of attenuation (how much muting) is applied to the other inputs when a signal is present on Mic Input 1. -
Page 9: Connecting Speakers
A-60/A-120 Public Address Amplifier Connecting Speakers Before connecting speakers to your A-60/120 unit, be sure to disconnect the AC power cable. Make certain that the total impedance is not less than the rated impedance indicated. For 4Ω speakers, connect in parallel, with the positive (+) connectors to the 4Ω terminal and the negative (-) connectors to the COM terminal. -
Page 10: Applications
A-60/A-120 Public Address Amplifier Applications... -
Page 11: Block Diagram
A-60/A-120 Public Address Amplifier Block Diagram... -
Page 12: Specifications
AC 110V-240V, 50/60Hz Power Consumption A-60: 75W A-120: 105W Weight A-60: 8.9 Kg (19.6 lbs) A-120: 10.3 Kg (22.7 lbs.) Dimensions 420(W) x 88(H) x 320(D) mm 16.5(W) x 3.5(H) x 12.6(D) inches * Specifications and design subject to change without notice for improvements. - Page 13 Korea and China, and sales and marketing operations located in Japan, Europe, and the U.S.A. With more than 850 employees around the globe, Inter-M is well-poised for further growth and expansion.
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