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Table of Contents
Related Manuals for Zenith AMP81
Summary of Contents for Zenith AMP81
- Page 1 13K2 2 x 6.5kW Amplifier User Manual Order code: AMP81...
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Page 2: Table Of Contents
7.3.2 Headroom, sensitivity and VPL/Gain settings ................14 7.4 Audio input and output ........................15 7.4.1 Balanced input connections ......................15 7.4.2 Unbalanced input connections ....................16 7.4.3 SpeakON output connections ...................... 16 7.4.4 Output bridge mode ........................17 Zenith 13K2 Amplifier Manual... - Page 3 7.6.4 Performance, warning and fault indicators ................. 23 7.7 2Ω load overheat protection ......................23 8 APPENDIX ..........................24 8.1 Maintenance ............................ 24 9 TECHNICAL SPECIFICATIONS ....................24 10 SAFETY ADVICE AND WARRANTY INFORMATION ............... 25 Zenith 13K2 Amplifier Manual...
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Page 4: Approvals
2 APPROVALS 3 WARNINGS 3.1 Explanation of graphical symbols 3.1.1 WARNING 3.1.2 CAUTION 3.2 Important safety instructions Zenith 13K2 Amplifier Manual... -
Page 5: User Responsibility
- Reorient the antenna. - Increase the separation between the equipment and receiver. Zenith 13K2 Amplifier Manual... -
Page 6: Welcome
4.1 Introduction - Low inrush current ensures that the mains breaker will not trip when several power amplifiers are Thank you for choosing the Zenith 13K2 Amplifier for turned on simultaneously. your sound reinforcement system. We are confident that you will be pleased with the performance, 4.2.1 Class TD amplifier and Regulated... -
Page 7: Load Overheat Protection
Only the consignee may institute a claim with the carrier for damage incurred during shipping. Save the carton and packing materials. Should you ever need to ship the amplifier, Zenith 13K2 Amplifier Manual... -
Page 8: Mounting
If the amplifier is rack-mounted, do not use covers or doors on the front or rear of the rack. Should a heat sink overheat, the temperature sensing circuits will mute the overheating channel. If Zenith 13K2 Amplifier Manual... -
Page 9: Rack Installation
AC source type referred to on the label. The 13K2 amplifiers use captive mains input warranty will not cover damage caused by connections. If the power plug mounted at the connecting to an incorrect type of AC mains. Zenith 13K2 Amplifier Manual... -
Page 10: Grounding (Earthing)
Use balanced input connections to avoid hum and power switch. The amplifier then goes through a interference. soft-start. The fans will blow at high speed before dropping to idle, and the power, LED will illuminate. 6 QUICK GUIDE OVERVIEW 6.1 Front panel overview Zenith 13K2 Amplifier Manual... -
Page 11: Front
(PWR) Power on (Blue). - It's normal for the LED to illuminate "BLUE" during power on. 6.2 Rear panel overview Zenith 13K2 Amplifier Manual... -
Page 12: Configuration Section
Rear view of two-channel model fitted with SpeakON connectors 6.2.1 Configuration section The 13K2 amplifier has selectable VPL values. Zenith 13K2 Amplifier Manual... -
Page 13: The Dip-Switch Features
Output connectors 7 OPERATION AND PERFORMANCE information on amplifier connection, setup, operation, and performance. The detailed 7.1 Introduction information included here is essential to realising the full functionality of the 13K2 amplifiers. The following sections provide comprehensive Zenith 13K2 Amplifier Manual... -
Page 14: Operation Precautions
The input amplifier and limiter system is designed to accommodate extremes of performance. Typically, 7.3.2 Headroom, sensitivity and VPL/Gain exceeding maximum input by much as +10dB will settings only result in a 1% increase in distortion. The Zenith 13K2 Amplifier Manual... -
Page 15: Audio Input And Output
Audio inputs – two channel models 7.4.1 Balanced input connections The XLR input connectors are electronically balanced, and wired according to the IEC 268 standard (pin 2 = hot). XLR input connectors should be wired as follows: Zenith 13K2 Amplifier Manual... -
Page 16: Unbalanced Input Connections
Amplifier is equipped with the Speakon output connectors. 7.4.2 Unbalanced input connections SpeakON inputs – two channel models Connect the + and - loudspeaker cables as shown in the illustrations below. Zenith 13K2 Amplifier Manual... -
Page 17: Output Bridge Mode
- Use a high quality stranded loudspeaker cable, and loudspeaker polarity: loudspeakers connected in keep cable runs as short as possible. reverse polarity will exhibit degraded performance, particularly in bass frequencies, and may be 7.4.4 Output bridge mode damaged as a consequence. Zenith 13K2 Amplifier Manual... -
Page 18: Amplifier Gain
Voltage Peak Limiter (VPL) is a unique feature in 13K2 amplifiers. It is used to select the maximum power available on each output channel. VPL levels are set using the rear-panel DIP-switches; eight level positions are offered. Zenith 13K2 Amplifier Manual... -
Page 19: Output Current Peak Limiter (Cpl)
7.4.7 Output Current Peak Limiter (CPL) The 13K2 amplifier incorporates a sophisticated and comprehensive set of protection features. Faults and 7.5 Protection, faults and warnings warnings are indicated on the front panel and reported. 7.5.1 Introduction Zenith 13K2 Amplifier Manual... -
Page 20: Safe Operating Area Detector (Soad)
-29dB is only when the input signal rises above -29dB, it detected and no functioning loudspeakers are might cause the indicator to first turn green, and connected to the amplifier. The fault in indicated by Zenith 13K2 Amplifier Manual... -
Page 21: Low Impedance Protection Warning
7.5.7 Temperature protection If the temperature becomes too high to continue safe operation, the overheated output channel(s) will be muted until the temperature returns to an acceptable level. Zenith 13K2 Amplifier Manual... -
Page 22: Front Panel Monitoring And Adjustments
The potentiometer's operational range is 0dB to minus infinity. Attenuation is logarithmic, with -10dB at the 12 o'clock position. 7.6.3 Mute indication Individual channel Mute is indicated by illumination of the red MUTE LED provided for each channel. Zenith 13K2 Amplifier Manual... -
Page 23: Performance, Warning And Fault Indicators
The amplifier requires servicing before placing back in operation. 7.7 2Ω load overheat protection In the situation the amplifier is used to power 2Ω loads, the internal monitoring system will reduce the output power automatically to prevent amplifier overheat. Zenith 13K2 Amplifier Manual... -
Page 24: Appendix
SMPSU optimises the amplifiers efficiency while reducing the weight. The 10K4 and 13K2 lightweight power amplifiers from Zenith feature high efficiency TD class technology for high power output to weight ratio, and are housed within compact 2U chassis. With up to 6500W per channel these power amplifiers are ideal for rental or large installations. -
Page 25: Safety Advice And Warranty Information
HIGH VOLTAGE-RISK OUT OF DAMP/HUMID OF ELECTRIC SHOCK!! ENVIRONMENTS IMPORTANT: The manufacturer will not accept liability for any resulting damages caused by the non-observance of this manual or any unauthorised modification to the equipment. OPERATING DETERMINATIONS Zenith 13K2 Amplifier Manual... - Page 26 Zenith 13K2 Amplifier Manual...
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