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FA-524/FA-724

OWNERS MANUAL

ACTIVE CROSSOVERS

EQUIPOS EUROPEOS ELECTRÓNICOS, S.A.L.

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

91-8043265

91-8044358

[email protected].

www.altairaudio.com

ALTAiR

Содержание FA-524

Страница 1: ...A 524 FA 724 OWNERS MANUAL ACTIVE CROSSOVERS EQUIPOS EUROPEOS ELECTR NICOS S A L AVDA DE LA INDUSTRIA 50 28760 TRES CANTOS MADRID 91 8043265 91 8044358 altair altairaudio com www altairaudio com ALTAi...

Страница 2: ...UALIZER CARD TE 67 13 DELAY CARD TD 69 13 SECURITY COVER TP 1 14 LOCKABLE SECURITY COVER TS 1 14 6 SPECIAL OPERATIONS 14 FREQUENCY CARDS 15 FREQUENCY CARD CONFIGURATION 15 OVERLAPPED FREQUENCY CARD CO...

Страница 3: ...NG AN EQUALIZER CARD 29 DELAY CARD 30 DELAY CARD CONFIGURATION 30 PLACING A DELAY CARD 31 7 BLOCK DIAGRAM AND OPERATION EXPLAIN 32 8 REPAIR GUIDE 35 9 TECHNICAL SPECIFICATIONS 37 10 GRAPHS 38 11 WARRA...

Страница 4: ...find in your crossover ALTAIR The description and explana tion of each one of them you will find in the corresponding section FRONT PANEL LEVEL CONTROL PHASE ADJUSTMENT BETWEEN WAYS SIGNAL THRESHOLD A...

Страница 5: ...REAR PANEL MAINS CONNECTOR AND FUSE HOLDER OUTPUT CONNECTOR VOLTAGE SELECTOR INPUT CONNECTOR EARTH LINK SWITCH...

Страница 6: ...sconnect it of the mains Protect the crossover unit of the rain and humidity Make sure of that no liquid or object introduces in their interior If a liquid is poured over the crossover unit disconnect...

Страница 7: ...place by a tripolar cord provide by the factory Make sure that the crossover power switch is at position 0 turned off Insert the female connector of the tripolar cable into the crossover power supply...

Страница 8: ...on type 1 1 Using twin lead shielded cable 2 Using single conductor coax cable BALANCED INPUT OUTPUT CONNECTION The crossover output signal is carried out through XLR 3 32 males connectors one per way...

Страница 9: ...coax cable BALANCED OUTPUT GROUND LINK In some installations it might be necessary to isolate the crossover electric ground from the system mains earth in order to avoid ground loops that could genera...

Страница 10: ...unnecessarily warms amplifying signals that are not been going to reproduce MODES OF OPERATION The crossover can be configured as either a stereo mode or mono mode The crossover configuration is show...

Страница 11: ...he level calibration of each way with the others Due to that the control of level is placed before the limiter as seen in the block diagram the output level depend on the calibration of the limiter SI...

Страница 12: ...80 on the relevant frequency If used it in conjunction with the phase switch will provide of a phase adjustment of 0 to 360 The filters used in crossover unit LINWITZ RILEY secures that in the relevan...

Страница 13: ...o the commercial department EQUALIZER CARD TE 67 In certain installations it is advisable insert equalization points in order to improve the system frequency response for which the crossover provide a...

Страница 14: ...it of the mains It is important mark that al though the unit is turned off with the power switch at position 0 if it continues connected to the mains there is different parts of the unit that are sub...

Страница 15: ...ame cut fre quency however in the cases that require overlap bands they should be different Remem ber always that the lowp ass filter belongs to the way located to the left and the high pass filter to...

Страница 16: ...ncy card This is a capacitor and comes numbered as In order to setup the frequency card like bypass will remove the integrated circuit U1 and the resistor arrays R1 R2 and R3 of the frequency card and...

Страница 17: ...1 220K 150K 220nF 47 Hz 330nF 6K8 330nF 6K8 220K 150K 150nF 51 Hz 330nF 6K65 1 330nF 6K65 1 220K 150K 150nF 56 Hz 330nF 5K6 330nF 5K6 220K 150K 150nF 62 Hz 330nF 5K49 1 330nF 5K49 1 220K 150K 150nF 6...

Страница 18: ...Hz 3 3nF 27K 3 3nF 27K 82K 47K 10nF 1 3 KHz 3 3nF 26K1 1 3 3nF 26K1 1 82K 47K 10nF 1 5 KHz 3 3nF 22K 3 3nF 22K 82K 47K 10nF 1 6 KHz 3 3nF 21K3 1 3 3nF 21K3 1 82K 47K 10nF 1 8 KHz 3 3nF 18K 3 3nF 18K 8...

Страница 19: ...components value of a subwoofer frequency card overlapped at 100 0 Hz OVERLAPPED SUBWOOFER FREQUENCY CARD COMPONENTS 100 0 Hz LOW PASS FILTER 100 Hz HIGH PASS FILTER 0 Hz ATTAC RELEAS C1 C2 C3 C4 C5 C...

Страница 20: ...nfigured in MONO mode Once we have decided if we are going to work in STEREO or MONO mode it is neces sary to configure the number of ways that we want In STEREO mode we could configure the FA 724 in...

Страница 21: ...spon dence of them gone out with the component overlay of the crossover is showed in the next picture FIVE MONO WAYS ONLY FA 724 The FA 724 configured in five mono ways has 1 BYPASS card placed at pos...

Страница 22: ...ards at positions 2 3 and 4 Normally the subwoofer will go overlapped with the low output because of what the frequency card at position 2 will go overlapped The correspondence of them gone out with t...

Страница 23: ...connectors of the main board where these equalizers cards could go in function of the way that you want insert a point of equalization EQUALIZER CARD INSERT CONNECTORS SUBWOOFER LOW CH1 MID CH1 HIGH...

Страница 24: ...way because of that don t use a lot of equalizer bands GAIN CALCULATION There are two resistors in the equalizer card called RG and RG that configure the equalization point gain For the gain you shou...

Страница 25: ...quencies ISO stan dard If you want an intermediate frequency are able to calculate an intermediate value FREQUENCY 5 RESISTORS 1 RESISTORS 25 Hz 2 M 1 91 M 31 5 Hz 1 5 M 1 54 M 40 Hz 1 2 M 1 21 M 50 H...

Страница 26: ...a high value of Q indicates a small bandwidth and a low value of Q a big bandwidth F 1 KHz Q 0 5 Q 1 0 Q 2 5 Q 5 There are two resistors in the equalizer card called RQ and RQ that configure the bandw...

Страница 27: ...able that there are Q values for which don t exist resistors In that case you should approach to the nearest Q As in the others cases it is always advisable that use 1 resistors since if use 5 resisto...

Страница 28: ...you should select the frequency 35 Hz for low frequencies or 16 KHz for high frequencies and a very small Q of 0 4 for example The next picture shows different answers of the equalizer card simulating...

Страница 29: ...t move it forward behind left or right All the main board male conector contacts should join in the female equalizer card connector WARNING Before carrying out any operation inside the crossover disco...

Страница 30: ...r delay card As seen in the main board component overlay the jumper goes placed beside an indication It is important notice well where the jumper goes located because place it in other location could...

Страница 31: ...e next result 30 mm Tr 0 088 ms 88 s 340 m s Therefore in order to align this system you will introduce a delay of 88 s in the high way As seen the theoretical calculus it is not complicated and allow...

Страница 32: ...crossover disconnect it of the mains Upon being connected to the mains the crossover contain elements with high tensions and if for a negligence you touch one of those parts could cause a short circui...

Страница 33: ...33...

Страница 34: ...34...

Страница 35: ...cally balanced and it arrives to the output connector The output connector is the place where in the turn on off the relays momentarily begin to ground the outputs both terminal 2 and 3 in order to av...

Страница 36: ...with the rising danger of burns Once changed the element damaged it is necessary to verify that no element is over heating in the main board since being is able to this element causes the break in the...

Страница 37: ...frequency cards Limiter Adjustable by 1 dB steps between 15 dBv inside Attack and release time optimized for each frequency card Compression ratio 10 1 Noise 92 dBv at any output from 20 Hz to 20 KHz...

Страница 38: ...10 GRAPHS Typical crosstalk Typical noise at one output Typical attenuation of the MUTE switch Typical common mode relation ratio CMRR 38...

Страница 39: ...re is no other warranty expressed or implicit Any faulty unit must be sent to the dealer or the manufacturer The serial number should of the unit must be included with any request for the technical se...

Страница 40: ...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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