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PROFESSIONAL POWER AMPLIFIERS

MF SERIES

OWNERS MANUAL

MF8,12,16,24

EQUIPOS EUROPEOS ELECTRÓNICOS, S.A.L.

AVDA. DE LA INDUSTRIA, 50. 28760 TRES CANTOS (MADRID)

ALTAiR

    www.altairaudio.com

 91-8043265 

 91-8044358  

 [email protected].

Содержание MF12 SERIES

Страница 1: ...POWER AMPLIFIERS MF SERIES OWNERS MANUAL MF8 12 16 24 EQUIPOS EUROPEOS ELECTR NICOS S A L AVDA DE LA INDUSTRIA 50 28760 TRES CANTOS MADRID ALTAiR www altairaudio com 91 8043265 91 8044358 altair alta...

Страница 2: ...MODE OPERATION 13 EARTH LINK 14 5 OPERATION 14 POWER UP 14 INPUT ATTENUATORS 15 BRIDGE MODE INDICATOR 15 CLIP INDICATORS INPUT SIGNAL OVERLOAD 15 SIGNAL INDICATORS 15 ERROR INDICATORS 16 THERMAL INDIC...

Страница 3: ...rising advantages its holds their own curve indefinitely it that is unchanged with the temperature show the shooting by means of the lever state and avoids locating and substitute the typical blended...

Страница 4: ...l The conception of the new loudspeakers especially the uses for low frequencies is based on that the amplifiers that govern them behave as ideal tension amplifiers is say with zero output impedance T...

Страница 5: ...n of each one of them you will find it in the corresponding section MF8 AND MF12 FRONT PANEL MF16 AND MF24 FRONT PANEL INPUT ATTENUATOR BRIDGE MODE INDICATOR INPUT SIGNAL OVERLOAD INDICATOR SIGNAL IND...

Страница 6: ...16 AND MF24 REAR PANEL OUTPUT POWER SPEAKON CONNECTOR BINDING POST FAN ONLY MF16 AND MF24 FUSE HOLDER MAINS CORD EARTH LINK SWITCH INPUT SIGNAL CONNECTOR XLR 3 31 ALTAiR PROFESSIONAL POWER AMPLIFIERS...

Страница 7: ...are free of obstructions since the fan could not work properly and cause the thermal protection work DANGER The power amplifier output connectors could have high voltage Make sure of turning off the p...

Страница 8: ...side of the power amplifier This cooling vent may correspond with another one in the rack CHANGING THE FUSE The power amplifiers are designed to work with slow blow fuses of 6x32 whose values in orde...

Страница 9: ...mains voltage is 230V 50 60 Hz as well as their fuse is the adequate INPUT CONNECTION Each power amplifier s channel incorporates one XLR 3 31 female connector The inputs are balanced with a nominal...

Страница 10: ...nection will be used when the sound source doesn t provide balanced output If it is possible will be employed the connection type 1 1 Using twin lead shielded cable 2 Using single conductor coax cable...

Страница 11: ...uit Never put the output power connectors in parallel This connection doesn t in crease the power and could cause the break of the power amplifier Do not connect the power amplifier output connectors...

Страница 12: ...ck 1 4 only for MF8 and MF12 of the CHANNEL 1 CH1 The input signal is routed to both channels being the power outputs totally independent In the models MF16 and MF24 the input attenuators could config...

Страница 13: ...TORS SOUND SOURCE BRIDGE MODE OPERATION In BRIDGE mode the input should be insert for any of the XLR connectors or Jack 1 4 only for MF8 and MF12 of CH1 In this mode the power of the two channels will...

Страница 14: ...s input attenuators are turned fully counter clockwise to the position At this time could switch the power amplifier on Upon switch the power amplifier on acts the delay turn on system that minimizes...

Страница 15: ...each channel and indicates a real saturation by comparing input and output continuously and are independent of the mains voltage The CLIP indicators also illuminates when there is a output short circ...

Страница 16: ...to work the thermal protection circuit lighting the THERMAL orange LED of the corresponding channel The thermal protection disconnects the power amplifier input signal turning red the ON STBY LED of t...

Страница 17: ...to exhaust the maximum dust possible Soon after the fan s speed drops to normal The power amplifier fan rotates with its top velocity also in an overheating situation when a thermal protection work so...

Страница 18: ...with 2 load impedance This is because in BRIDGE mode it is as if each channel is driving with the half load impedance MAINTENANCE Periodically and in a technical service should clean the dust and dir...

Страница 19: ...dicator of the channel in which the protection has been activated The thermal protection of one channel has been activated In this case the THERMAL indicator amber and the ON STBY indicator red of the...

Страница 20: ...20 MF16 AND MF24 ONLY The delay turn on protection circuit has been activated The ERROR indicators red of both channel will be illuminated This could happen for a very low mains voltage or for a fail...

Страница 21: ...t that are subjected to high voltage CAUTION Protect the power amplifier from the rain and moisture mainly if it is open If liquid is spilled into the power amplifier disconnect it from the mains and...

Страница 22: ...witch pushed the XLR input polarity is PIN 3 positive PIN 2 negative PIN 1 ground If the polarity switch is not pushed the input XLR polarity is PIN 2 positive PIN 3 negative PIN 1 ground Each channel...

Страница 23: ...configuration don t exist the input attenuators are always independent for each channel The factory configuration is with the input attenuators independent DUAL POT DUAL POT Input attenuators indepen...

Страница 24: ...nput sensibility 0 dBu NOTE 0 dBu 0 775 Volts 8 dBu 1 95 Volts CONFIGURATION CH1 CH2 Input sensibility 0 dBu Input sensibility 8 dBu The gain times that the output signal is increased with regard to i...

Страница 25: ...ress systems In order to use the power amplifiers in distributed systems it is neces sary to choose the voltage and therefore the power amplifier model of work and wire the loudspeakers in parallel wi...

Страница 26: ...d by input TIM filter to 30 V s Internally 60 V s CHANNELSEPARATION Greater than 65 dB at 1KHz INPUT CONNECTORS PER CHANNEL XLR 3 31 Balanced Jack 1 4 Balanced XLR 3 31 Balanced XLR 3 32 Balanced OUTP...

Страница 27: ...versusfrequency MF24 Frequency response at rated output into 4 MF24 Total harmonic distortion versus output power into 4 at 1 KHz MF24 Total harmonic distortion versus frequency at rated output power...

Страница 28: ...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 request for the service Equipos Europeos Ele...

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