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MA Series

MULTICHANNEL PROFESSIONAL

POWER AMPLIFIER

OWNERS MANUAL

V 1.1 web

AUDIO ELECTRONICS DESIGN

EQUIPOS EUROPEOS ELECTRÓNICOS, S.A.L

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

34-91-761 65 80 34-91-804 43 58

[email protected]

www.altairaudio.com

Содержание MA SERIES

Страница 1: ...1 1 web AUDIOELECTRONICSDESIGN AUDIOELECTRONICSDESIGN AUDIOELECTRONICSDESIGN AUDIOELECTRONICSDESIGN EQUIPOS EUROPEOS ELECTR NICOS S A L Avda de la Industria 50 28760 TRES CANTOS MADRID SPAIN 34 91 76...

Страница 2: ...NTS OUTPUTS 3 AND 4 OUTPUTS 7 AND 8 13 OUTPUTS 3 AND 4 7 AND 8 LIKE 1 AND 2 LIKE 5 AND 6 13 OUTPUTS 3 AND 4 7 AND 8 LIKE 1 2 LIKE 5 6 14 HIGH PASS FILTER HPF 14 EARTH LIFT 15 6 OPERATION 15 POWER UP 1...

Страница 3: ...a relay per output channel pairs It is improved several characteristics of the signal quality by incorporating cascode preamps damping factor control and special care to global reliability Equally the...

Страница 4: ...places Flexibility We can use it in multiple configurations since it has 8 channels modular structure for example multichannel amplification of up to 4 stereo ways independent biamplification thanks...

Страница 5: ...CHANNEL POWER AMPLIFIER V1 1 web FRONT PANEL COOLING VENTS INPUT ATTENUATOR INPUT SIGNAL OVERLOAD INDICATOR LIMITER ACTION SIGNAL PRESENCE INDICATOR BRIDGE MODE INDICATOR ON PROTECTION INDICATOR POWER...

Страница 6: ...EL COOLING VENTS BINDING POST FUSE HOLDER MAINS CORD REMOTE VOLUME CONTROL MONO ESTEREO SWITCH ASSIGN INPUTS SWITCH 1 2 OR 3 4 5 6 OR 7 8 BRIDGE MODE SWITCH EARTH LIFT SWITCH HIGH PASS FILTER SWITCH I...

Страница 7: ...ach power amplifier was carefully inspected and tested Unpack and inspect the power amplifier for any damage that may have occurred during shipment If any damage is found doesn t connect the power amp...

Страница 8: ...part of the fuse holder the fuse will appear Remove it and change for a new one Never use other type of element than a fuse Screw the external part of the fuse holder CAUTION Always make sure upon cha...

Страница 9: ...4 IN Xlr 3 31 female connectors and 8 4 Jacks 1 4 connectors both in parallel XLR with Jack one XLR and Jack for each channel input The inputs are balanced with a nominal impedance of 20 K 10 K unbala...

Страница 10: ...n Sound source with mains cord with ground connection Sound source with the EARTH LIFT ON Sound source with the EARTH LIFT OFF UNBALANCED INPUT This type of connection will be used when the sound sour...

Страница 11: ...s positive and the black is negative phase Keep in mind the polarity upon connecting the speakers since changing the speaker polarity of a system reduces the total output power by the effect of phase...

Страница 12: ...put connector ground PIN 1 of the connector XLR 3 31 This could create a ground loop and could cause feedback oscillations Use loudspeaker cables sizes capable to manage the output current of the powe...

Страница 13: ...put in Bridge mode The power from the two channels is added to one only speaker The input odd attenuator for example CH1 controls both channels the even attenuator is disabled in this example CH2 The...

Страница 14: ...we must put the switch towards left HIGH PASS FILTER HPF An active filter 12 dB oct Butt type is built in tuned at 100Hz high pass filter as factory default By demand filter structure normally configu...

Страница 15: ...s signal is derived to the chassis could cause a short circuit through our body upon having eliminated one of the working precautions of the unit For this circumstance NEVER lifts the mains earth use...

Страница 16: ...r starts to saturate moreover if the limiter is ON this LED indicates that the circuit limiter starts to work for more information see section SPECIAL OPERATIONS LIMITER ON OFF The CLIP indicators are...

Страница 17: ...urity level quickly The fan is placed inside the power amplifier and incorporates some cooling vents in the front lateral and rear panel for which the air is evacuated for that reason it is important...

Страница 18: ...t all switches to ON therefore whit a single RVC 1 you can control all channels volume it depends on which connector of remote control of the Multichannel power amplifier you have plug The remote is w...

Страница 19: ...VOLUME CH3 4 VOLUME CH4 5 VOLUME CH5 6 6 VOLUME CH7 8 S1 RVC 1 ON ON ON ON ON ON MA 150x8 set up MODE BRIDGE EARTH LIFT FILTER CH1 CH2 STEREO OFF OFF CH3 CH4 MONO CH1 CH2 OFF OFF CH5 CH6 STEREO OFF H...

Страница 20: ...te that although the unit is power out with the power switch in 0 position if it continues connected to the mains there are different parts of the unit that are subjected to high voltage CAUTION Prote...

Страница 21: ...80x4 27 19 MA80x8 27 19 MA150x4 30 22 MA150x8 30 22 ON OFF LIMITER The power amplifier s limiter reduces the input signal when the power amplifier starts to saturate which avoids high saturation and l...

Страница 22: ...STORTION SMPTE Less than 0 08 at 60Hz 7KHz 4 1 ratio Into 4 At rated power DIM 30 Less than 0 04 into 4 INPUT SENSITIVITY At rated power 4 Internally user selection by resistor From 0 dBu 0 775 V to 8...

Страница 23: ...unit is warranted by Equipos Europeos Electr nicos to the original user against flaws in the manufacturing and in the materials for a length of time of one year starting from the date of sale Flaws d...

Страница 24: ...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 nuestros productos Si t...

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