Related Manuals for AUSTRALIAN MONITOR KA1200
Summary of Contents for AUSTRALIAN MONITOR KA1200
- Page 1 KA800 KA800 KA800 KA800 KA800 & & & & & KA1200 KA1200 KA1200 KA1200 KA1200 O p e r a t i o n M a n u a l...
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Page 2: Safety Precautions
RISK OF ELECTRICAL SHOCK manual, please contact your nearest service agent or DO NOT OPEN Australian Monitor direct: The presence of an EXCLAMATION MARK contained THE TECHNICAL OFFICER within the boundaries of an equilateral triangle is... -
Page 3: Protection Features
Features: Custom designed, 2RU heavy duty alloy chassis. - 1 Watt output indication (2.828 volts). - Open modular construction for ease of servicing. - 1 dB below output clip indication. - Symmetrical layout - even weight distribution. - Massive heat-sink / heat-exchangers. - Well-regulating, high current power supply. -
Page 4: Table Of Contents
Contents Page Introduction Controls, Connectors and Indicators 2.1 Front Panel 2.2 Rear Panel Installation Operation Bridge Mode Two Ohm or Not Two Ohm Maintenance Warranty Specification List of Illustrations Page Figure 1. Block Diagram Figure 2. Front Panel Layout Figure 3. Rear Panel Layout Figure 4. -
Page 5: Introduction
Introduction 5 1. Introduction Congratulations on choosing Australian Monitor for Each channel of the amplifier comprises a balanced active input with a buffered attenuator driving a your professional amplification requirements. differential class A drive stage which in turn drives a... -
Page 6: Controls, Connectors And Indicators
6 Controls & Connectors 2. Controls, Connectors & Indicators Figure 2 Front Panel Layout... -
Page 7: Front Panel
30dB for 24.5dB below rated power for a KA800 or approximately two seconds. 26.0dB below rated power for a KA1200. 5 On/Thermal Indicator The LED will change to red once the output... -
Page 8: Figure 3 Rear Panel Layout
8 Controls & Connectors Figure 3 Rear Panel Layout... -
Page 9: Rear Panel
KA800 KA800 KA800 KA800 KA800 potentials between source equipment and the amplifier) or stray magnetic field pick up on the KA1200 KA1200 KA1200 requires a 10 Amp Anti-Surge fuse. KA1200 KA1200 input ground/shield wiring. (It does not interrupt signal ground continuity on the strapping connec- 11 Bridge Switch tor). -
Page 10: Figure 4. Case Dimensions
10 Installation Figure 4 Dimensions... -
Page 11: Installation
Input Wiring Power consumption at idle 120 Watts. Power consumption at rated power = 1450 Watts. IMPORTANT Do not directly connect pin 1 on the amplifier’s input KA1200 KA1200 Model: KA1200 KA1200 KA1200 or strapping XLR, to the amplifier’s chassis, speaker... -
Page 12: Figure 5. "Speakon" Connector Wiring
12 Installation Output Wiring The "Channel A" SPEAKON actually carries both channel A & channel B outputs (see Figure 5: Speakon When wiring to your speakers always use the largest Connector Wiring Diagrams). gauge wire your connector will accept. The longer the speaker lead the greater the losses will be, resulting The "Channel B"... -
Page 13: Operation
The voltage gain factor of your amplifier is: Powering Up 37 (31.5 dB) for a KA800 45 (33.0 dB) for a KA1200 REMEMBER The amplifier should be the last piece of equipment The input sensitivity for your... - Page 14 14 Operation Each channel of your KA800/KA1200 KA800/KA1200 amplifier has a difference between the amp earth and source equip- KA800/KA1200 KA800/KA1200 KA800/KA1200 nominal balanced input impedance of 30kOhms ment earth appears to the amplifier's input as a signal (@1kHz) and should not present a difficult load for and is amplified as hum.
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Page 15: Bridge Mode
Bridge Mode 15 5. Bridge Mode up your KA800/KA1200 KA800/KA1200 amplifier for running it in BRIDGE KA800/KA1200 KA800/KA1200 KA800/KA1200 mode. The term BRIDGE is used when two independent Whilst the amplifier is off, amplifier channels are used to drive the same load. -
Page 16: Two Ohm Or Not Two Ohm
Your amplifier is designed to be able to A Preamble. KA800/KA1200 KA800/KA1200 KA800/KA1200 KA800/KA1200 KA800/KA1200 deliver more than twice the current than that shown on the specification sheet to cope with difficult loads The load that a loudspeaker presents to an amplifier and/or high energy waveforms. -
Page 17: Maintenance
Many users stall the fan and use compressed air to blow the dust off the fan blades. It is important to note Your amplifier will need minimal main- that the fan blades must be held still whilst blowing air KA800/KA1200 KA800/KA1200 KA800/KA1200 KA800/KA1200 KA800/KA1200 tenance. -
Page 18: Warranty
Australian Monitor warrants the original purchaser of amplifier. each KA-Series amplifier (purchased at an author- ised Australian Monitor dealer) that it will be free from To validate this warranty, the original purchaser must defects in materials and workmanship for a period of complete and mail the warranty registration card two (2) years from the original date of purchase. -
Page 19: Specification 19
Specification 19 KA1200 KA1200 KA800 KA800 KA1200 KA800 KA1200 KA1200 KA800 KA800 Model: Model: Output Power Output Power E.I.A. 1 kHz, <0.1 % THD+N. 8ohm 4ohm E.I.A. 1 kHz, <0.1 % THD+N. 8ohm 4ohm Single channel driven. 440W 680W Single channel driven. - Page 20 www.australianmonitor.com.au Distributed by: Audio Telex Communications Pty Ltd ACN 001345482 www.audiotelex.com.au International Enquiries Ph: 612 9647 1411, Fax: 612 9748 2537, E-mail: ho@audiotelex.com.au Sydney Ph: (02) 9647 1411, Fax: (02) 9648 3698, E-mail: nsw@audiotelex.com.au Melbourne Ph: (03) 9890 7477, Fax: (03) 9890 7977, E-mail: vic@audiotelex.com.au Brisbane Ph: (07) 3852 1312, Fax: (07) 3252 1237, E-mail: qld@audiotelex.com.au Adelaide...
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