Altair CN-220 Owner'S Manual Download Page 1

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CN-220

COMPRESSOR/NOISE GATE

OWNERS MANUAL

EQUIPOS EUROPEOS ELECTRÓNICOS, S.A.L

Avda. de la Industria, 50. 28760 TRES CANTOS-MADRID (SPAIN).

34-1-804 32 65 34-1-804 43 58 [email protected]

www.altairaudio.com

Summary of Contents for CN-220

Page 1: ...220 COMPRESSOR NOISE GATE OWNERS MANUAL EQUIPOS EUROPEOS ELECTR NICOS S A L Avda de la Industria 50 28760 TRES CANTOS MADRID SPAIN 34 1 804 32 65 34 1 804 43 58 altair altairaudio com www altairaudio...

Page 2: ...COMPRESSOR CONTROL AND SWITCH 14 THRESHOLD CONTROL 14 COMPRESSION RATIO CONTROL 15 GAIN REDUCTION VUMETER 15 BYPASS SWITCH 15 COMMON 15 OUTPUT LEVEL CONTROL 15 OUTPUT LEVEL VU METER 15 STEREO SWITCH...

Page 3: ...trument control and mixing operation Special attention has been taken to provide the professionals with a general purpose device Specs such as 24 dBu max Input Output level operation and extremely low...

Page 4: ...of them you will find in the corresponding section FRONT PANEL TEST MONITOR SWITCH BAND COMPRESSOR CONTROL AND SWITCH ACTIVITY LED s HP AND LP KEY FILTER CONTROLS THRESHOLD CONTROL BYPASS SWITCH THRES...

Page 5: ...MPRESSOR NOISE GATE CN 220 REAR PANEL MAINS CONNECTOR FUSE HOLDER AND VOLTAGE SELECTOR EARTH LINK SWITCH OUTPUT SIGNAL CONNECTORS XLR 3 32 AND JACK SIDE CHAIN CONNECTOR JACK INPUT SIGNAL CONNECTORS XL...

Page 6: ...shipment If any damage is found doesn t connect the unit to the mains notify the salesperson immediately because a qualified service technician must inspect the unit Save the original packing you cou...

Page 7: ...position turned off Insert the female I E C connector of the tripolar cable into the unit power supply male connector placed at the rear panel Insert the male connector of the tripolar cable into the...

Page 8: ...ion relying on the type of input signal balanced or unbalanced and according to the ground configuration of the equipment floating or ground referenced In the next diagrams we use the following symbol...

Page 9: ...9 DUAL STEREO COMPRESSOR NOISE GATE CN 220 2 Using single conductor shielded cable BALANCED INPUT OUTPUT CONNECTION...

Page 10: ...of the sound destination unit floating or ground referenced The next pictures shows some of the different possibilities of connection relying on the type of output signal balanced or unbalanced and ac...

Page 11: ...2 Using single conductor shielded cable BALANCED INPUT GROUND LINK In some installations it might be necessary to isolate the compressor noise gate electric ground from the system mains earth in orde...

Page 12: ...the audio equipment is limited by the levels of the internal operating voltages If the signal exceeded the internal operating voltages audible signal distortion is the result In practice this limitat...

Page 13: ...through the noise gate STEREO In stereo mode the channel 2 activity LED s won t indicate the channel 2 noise gate operation The channel 1 activity LED s will indicate the operation of both noise gates...

Page 14: ...ss this noise gate bypass switch the noise gate will be disabled and the controls and switched won t be operative The activity LED s continue working indicating our set up but the program signal will...

Page 15: ...REDUCTION VUMETER The gain reduction produced by the input signal compression it is indicated in this vumeter allowing us in all moment the visualisation of the compressor action This vumeter is compo...

Page 16: ...ut signal processed in order to trigger the noise gate and compress the input signal according to the adjusted parameters In order to introduce a signal different from the input signal we will use a m...

Page 17: ...nt the signal split to the compressor and to the BAND COMPRESSOR controlled by their corresponding detectors The compressor and the BAND COMPRESSOR act on the GAIN REDUCTION vu meter in order to indic...

Page 18: ...it breaks again check the overvoltage protections placed on the voltage selector If broken substitute them by an equivalent part 130 volts VARISTOR If the power supply fails it is necessary to check t...

Page 19: ...errupted natural drum sounds With this application we will be used the two channels of the noise gate and two channels of the mixer console For key mic routing and patched gated signal Step 1 Set up t...

Page 20: ...es place This effect could be reduced with the compressor limiter Adjust the compression ratio between 2 1 and 4 1 and immediately adjust the compression threshold until a good result is reached If ne...

Page 21: ...UND PRESSURE LEVEL CONTROL The compressor limiter has a wide range of application in sound pressure level control of discos and pubs in order to warrant the maximum level authorised by the local autho...

Page 22: ...the hall This procedure extensible to any frequency band can be a great resort for problems in the transmission of structures without having to reduce excessively the global level of the room because...

Page 23: ...z unweighted Gate section in By pass Better than 98 dBu 20 Hz 20 KHz unweighted Gate section in SHUT state OUTPUT GAIN Variable from 15 dB to 15 dB Detent position at 0 dB FILTERS HPF 30 Hz 4 KHz LPF...

Page 24: ...covered by this warranty There is no other warranty expressed or implicit Any faulty unit must be sent to the dealer or the manufacturer The serial number of the unit must be included with any reques...

Page 25: ...nicos RAEE El logotipo de la Directiva RAEE se refiere a los programas y procedimientos espec ficos de reciclaje para aparatos electr nicos de pa ses de la Uni n Europea Recomendamos el reciclaje de n...