Unika A Series User Instructions Download Page 3

page 2

IMPORTANT PRECAUTIONS

To reduce the risk of electrical shock or fire, do not expose this unit to rain 

or moisture.

Do not spill water or other liquids  into or onto your unit.

Do not attempt to operate this unit if the power cord has been frayed or 

broken.

Do not attempt to remove or break off the ground prong from the electrical 

cord. This prong is used to reduce the risk of electrical shock and f re in 
case of an internal short.

Disconnect main power before making any type of connection.

Do not remove the cover under any conditions. There are no user 

serviceable parts inside.

Never plug this unit into a dimmer pack.

Always be sure to mount this unit in an area that will allow proper 

ventilation. Allow about 6” (15cm) between this device and a wall.

Do not attempt to operate this unit, if it becomes damaged.

This unit is intended for indoor use only, use of this product outdoors voids 

all warranties.

During long periods of non-use, disconnect the unit’s main power.

Always mount this unit in a safe and stable manner.

Power cords should be routed so they are not likely to be walked on, 

pinched by items placed upon or against them.

Cleaning -The outside of the unit should be wipe down with a soft cloth and 

mild cleaner when needed.

Heat -The amplifier should be situated away from heat sources such as 

radiators, heat registers, stoves, or other appliances (including amplifiers) 
that produce heat.

The fixture should  be serviced by qualified service personnel when:

A. The power-supply cord or the plug has been damaged.

B. Objects have fallen, or liquid has been spilled into the unit.

C. The appliance has been exposed to rain or water.

D. The fixture does not appear to operate normally or exhibits a 

marked change in performance.

Congratulations and thank you for purchasing A-2000/A-3000/A-4000

 

amplifier. These amplifiers are representation of UNiKA’s continuing 

commitment to produce the best and highest quality audio products at an 

affordable price. These amplifiers are designed to provide a big impact in 

sound reproduction. Please read and understand this manual completely 

before attempting to operate your new amplifier. This booklet contains 

important information concerning the proper and safe operation of your new 

amplifier.

UNPACKING:

 Every A2000/A3000/A4000 amplifier has been 

thoroughly tested and has been shipped in perfect operating condition. 

Carefully check the shipping carton for damage that may have occurred 

during shipping. If the carton appears to be damaged, carefully inspect your 

unit for any damage and be sure all accessories necessary to operate the 

system have arrived intact. In the event damage has been found or parts are 

missing, please contact your dealer for further instructions.

INSTALLATION:

 These amplifiers are designed to mount into a 

standard 19”rack. The front panel provides four holes used to screw the unit 

into a rack. The unit also provides a way to rear mount the unit into a rack for 

added security. Rear mounting the unit is especially recommended if the 

unit is to mounted into a mobile rack. 

INTRODUCTION

UNiKA

 A-2000/A-3000/A-4000

Introduction

      Front Panel      Rear Panels      Set Up      Speakon Assembly      Operating Modes      Protection      Features      Specifications

Summary of Contents for A Series

Page 1: ...otection 15 Features 16 Specifications UNiKA POWER ON OFF LIMITER ON PROFESSIONAL POWER AMPLIFIER LIMITER ON PARALLEL STEREO BRIDGE 20dB SIGNAL 10dB 5dB CLIP PROTECT 0 10 0 10 A 3000UNiKA A 4000 POWER...

Page 2: ...avertissements suppl mentaries situ s dans le guide Ce symbole est utilis pour indiquer l utilisateur qu il trouvera d importantes instructions importantes sur l utilisation et l entretien de l appar...

Page 3: ...e plug has been damaged B Objects have fallen or liquid has been spilled into the unit C The appliance has been exposed to rain or water D The fixture does not appear to operate normally or exhibits a...

Page 4: ...he unit has been turned off this is normal 6 Channel 1 Protect Indicator The red Protect LED will begin to glow when the channel goes into protect mode When the channel goes into protect mode all outp...

Page 5: ...begin to distort Under heavy clipping activity lower the channel s gain control to reduce the risk of damage to your speakers and amplifier This LED may glow when the unit has been turned off this is...

Page 6: ...to your speaker on channel one when using your amplifier in subwoofer mode 22 Channel 1 Subwoofer Mode On Off Switch Turns the subwoofer mode for channel one on and off 23 Channel 1 Balanced 1 4 TRS...

Page 7: ...place with the exact same type fuse otherwise instructed to do so by an authorized audio service technician Reset Button A 3000 and A 4000 only This button is used to reset the breaker 28 Channel 2 Sp...

Page 8: ...our speakers to the binding post outputs on the rear of the amplifier The speaker wire may be connected by bare wire directly connected usually for permanent connections banana plug or spade connector...

Page 9: ...and tighten Typical speaker output using spade connectors Insert bare wire into the binding post and tighten Figure 11 STEREO CONNECTIONS USING THE NEUTRIK SPEAKON OUTPUT CONNECTORS Recent regulatory...

Page 10: ...tor insert B into the connector housing A making sure that the large notch on the outer edge of the insert lines up with the large groove on the inside of the connector housing The insert should slide...

Page 11: ...t the need for external jumpers or wiring Both amplifier channels will operate independently Though they carry the same signal their gain controls affect only their respective channels and they both m...

Page 12: ...NOUT 1 1 POS NEG CH 2 PINOUT 2 2 POS NEG CH 2 1 2 POS NEG BRIDGE 1 1 POS NEG CH 1 SUB WOOF H 2 C K C O L H 1 C K C O L 230VAC 50Hz CAUTION MINIMUM LOAD IMPEDANCE 2 OHM PER CHANNEL 4 OHM BRIDGE Made in...

Page 13: ...To avoid amplifier overheating never run the amplifier below 2 ohms in this mode Set up this mode as you would a standard Stereo set up Be sure both channels are set to SUBWOOF In this mode you may us...

Page 14: ...her the bare wire or the banana jacks Use either the bare wire or the banana jacks Figure Stereo Subwoofer Mode Speaker Set Up 22 Use either the bare wire or the banana jacks Use either the bare wire...

Page 15: ...nable minimum An amplifier s peak current draw at full output power into 2 ohms is several times what the normal draw is but its various protection circuits will prevent this condition lasting more th...

Page 16: ...mplifier s input patch from the amplifier s THRU jacks to the next amplifier s input and so on daisy chaining as many amplifiers as there is no excessive level loss GROUND LIFT SWITCH A 2000 only Appl...

Page 17: ...To Noise Ratio below rated power 20Hz to 20KHz A Weighted 2ohms 1200W 4ohms 1000W 8ohms 620W 2ohms 1600W 4ohms 1400W 8ohms 840W 1V 0 2dB 0 025 70dB 600 1380W 12 54A 110V CLASS AB Dual 2 speed fans and...

Page 18: ...Professional Power Amplifiers UNiKA...

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