Unika S-4000 User Instructions

Contents

Unika S-4000 User Instructions Manual pdf 4 page image

Figure 18. Function Indicators - These indicators detail the operating mode of the amplifier.These LEDs will also function as a power indicator.9. Channel 2 Protect Indicator - The red protect LED will begin to glow when thechannel goes into protect mode. When the channel goes into protect mode, alloutput for that channel will turn off. This is to protect any speakers connected tothe channel.10. Channel 2 Clip Indicator - The red clip LED will begin to flash when the channelbegins to overload. At this point the channel will begin to distort. Under heavyclipping activity, lower the channel's gain control to reduce the risk of damage toyour speakers and amplifier. This LED may glow when the unit has been turnedoff, this is normal.11. Channel 2 Limiter Switch - This is used to activate the channel's built in limiter.The limiter reduces the average input level when the signal begins to distort, thisprocess is designed to reduce distortion and protect the speakers. See limiter atpage 12.12. Channel 2 Gain Control - This rotary knob is used to control the output signal ofchannel two. Tuning the knob in clockwise direction will increase signal output.13. Channel 1 Signal Indicator - These green and yellow LEDs will glow accordingto the average signal output.14. Channel 2 Signal Indicator - These green and yellow LEDs will glow accordingto the average signal output.page 31. Rack Mounting Ears - Two front panel mounting holes are provided on eachmounting ear.2. Fan Inlet Grills and Filter - S Series amplifiers are cooled by two rear-mountedfans. Cool air from front grills is filtered and flows over the heatsinks and exhauststo back side. Make sure these outlets remain clear to allow unrestricted air flow.3. AC Power Switch - S Series amplifiers have a front-panel AC mains power switch.4. Channel 1 Gain Control - This rotary knob is used to control the output signal ofchannel one. Tuning the knob in clockwise direction will increase signal output.5. Channel 1 Limiter Switch - This is used to activate the channel's built in limiter.The limiter reduces the average input level when the signal begins to distort, thisprocess is designed to reduce distortion and protect the speakers. See limiter atpage 12.6. Channel 1 Clip Indicator - The red clip LED will begin to flash when the channelbegins to overload. At this point the channel will begin to distort. Under heavyclipping activity, lower the channel's gain control to reduce the risk of damage toyour speakers and amplifier. This LED may glow when the unit has been turned off,this is normal.7. Channel 1 Protect Indicator - The red protect LED will begin to glow when thechannel goes into protect mode. When the channel goes into protect mode, alloutput for that channel will turn off. This is to protect any speakers connected tothe channel.S-4000/S-5000/S-6000 FRONT PANELUNiKA S-4000/S-5000/S-6000POWERONOFFLIMITERONPROFESSIONAL POWER AMPLIFIERLIMITERONPARALLEL STEREO BRIDGE-20dBSIGNAL-10dB-5dBCLIPPROTECT0 100 10CH-1 CH-2UNiKAPROFESSIONAL AUDIO3 1087654139 11 121412Introduction Rear Panel Set Up Speakon Assembly Operating Modes Protection Features SpecificationsFront Panel