Unika PA-180 User Instructions Download Page 1

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User Instructions

This booklet contains important information concerning the proper and safe operation of your new amplifier..

PA-Series

PA-664 / PA-1804

Made in Taiwan

Professional Power Amplif iers

Index

02 Important Precautions

Introduction

03 Front Panel

04 Rear Panel

05 Set Up

07 Operating Modes

09 Protection

10 Specications

UNiK A

Clip

Signal

POWER

Min

Max

4Ch POWER AMP

PA 664

UNiK A

Clip

Signal

POWER

Min

Max

PA1804

4Ch POWER AMP

UNiK A

1804

Summary of Contents for PA-180

Page 1: ...Important Precautions Introduction 02 03 Front Panel 04 Rear Panel 05 Set Up 07 Operating Modes 09 Protection 10 Speci cations UNiKA Clip Clip Clip Clip Signal Signal Signal Signal POWER CH 1 CH 2 CH 3 CH 4 Min Min Min Min Max Max Max Max 4Ch POWER AMP PA 664 UNiKA Clip Clip Clip Clip Signal Signal Signal Signal POWER CH 1 CH 2 CH 3 CH 4 Min Min Min Min Max Max Max Max PA1804 4Ch POWER AMP PA UNiK...

Page 2: ...tissements supplémentaries situés dans le guide Ce symbole est utilisé pour indiquer à l utilisateur qu il trouvera d importantes instructions importantes sur l utilisation et l entretien de l appareil dans la littérature accompagnant le produit Dieses Symobl soll den Anwender vor unisollierten gefährlichen Spannungen innerhalb des Gehäuses warnen die von Ausreichender Stärke sind um einen elektri...

Page 3: ... 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 PA 664 PA 1804 amplifier These amplifiers are representation of UNiKA s continuing commitment to produce the best ...

Page 4: ...D indicates that a signal above a minimum threshold is present at the amplifier input and that the signal is being amplified 7 Channel 1 4 Clip Indicator This LED will begin to flash when the channel begins to overload clip at this point the channel will 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 ...

Page 5: ...er channel or bypass the subwoofer function 16 Channel 3 Frequency Adj This pot adjust the frequency level from 20Hz to 200Hz sent to your speaker on channel 3 when using your amplifier in subwoofer mode 17 Ground Lift Switch This switch is used to disconnect the internal ground signal from the amplifier chassis ground This may reduce the buzz that is caused from an electrical 50Hz 60Hz cycle 18 B...

Page 6: ...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 Connections are made to channel one and channel two outputs for Stereo Mode or across the red terminals of channel one and channel two for Mono Bridge Mode IMPORTANT NOTICE Although a speaker will operate with the positive and negat...

Page 7: ...RIDGE CONNECTIONS Figure 9 Mono bridge operation connections will follow the above descriptions however when operating in mono bridge operation the speaker connections will run between the two positive red leads Use channel two positive output terminal for the negative connection and the channel one positive output terminal for the positive connection page 6 BARE WIRE CONNECTION Figure 7 BANANA PL...

Page 8: ...ou were going to run in stereo mode Then press the Parallel button Be sure the amplifier is off or the power is disconnected before making any changes SUBWOOFER MODE This mode sends low frequencies to your speakers without the use of an external cross over The subwoofer operation can be operated in mono only Set the subwoofer mode switch of the channel three to the ON position Use the frequency se...

Page 9: ...WOOFER ON OFF CH3 CH2 PARALLEL CH 4 CH 3 CH 2 CH 1 15 A M P STEREO MODE FULL RANGE CONNECTION PARALLEL MODE FULL RANGE CONNECTION SPEAKER IMPEDANCE MINIMUM 4 OHM PA 1804 Rear Panel Negative Lead Positive Lead Negative Lead Positive Lead SPEAKER IMPEDANCE MINIMUM 4 OHM Set to Parallel Negative Lead Positive Lead Negative Lead Positive Lead Figure 12 CH4 CH3 CH2 CH1 CH 4 CH 3 INPUT PARALLEL INPUT PA...

Page 10: ...eaker connections and components A short circuit will usually be traced to a bad cable or a bad speaker component and is rarely traced to the amplifier itself UNiKA PA 664 PA 1804 3 OVERHEATING PROTECTION The PA series amplifiers are cooled by two variable speed fans and always are kept at moderate temperature During low level output the fans run at normal speeds During high output and as heat rai...

Page 11: ...armonic Distortion Crosstalk 1KHz Damping Factor Output Circuitry Cooling System Dimensions H W D Weight Rack Space Power Consumption Maximum Output Power 8ohms Signal To Noise Ratio below rated power 20Hz to 20kHz A Weighted 4 Ch Driven PA 664 4ohms 170W 8ohms 100W 1V 0 2dB 0 02 65dB 240 508W 4 61A 110V CLASS AB Dual 2 Speed Fan 88 x 483 x 450 mm 15kg 2U 340W 95dB 4 Ch Driven PA 1804 4ohms 340W 8...

Page 12: ...Professional Power Amplifiers UNiKA ...

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