Alto MISTRAL 900 Manuel utilisateur

Service

MODEL: MISTRAL900/1500

www.altoproaudio.com

Version2.0

CONTENTS

1. Introduction..………………………………………………………….………………..…2

2. Specification.…………………………………………………………….……….……….3

3. Schematic Diagram…………….…………………….……….….…………………..…..4

4. PCB Layout........……………….…………….………...…….………………….…….…11

5. Test Procedure..……………….…………….………...…….………………….……….15

6. Exploded Views & Mechanical Parts List…….………………………….……....….16

7. BOM....................................................................…………………….…………..…....19

1. Introduction

ALTO MISTRAL amplifiers are series of innovative design power amplifiers. This series work under high

stability with great power supply in just 2-rack spaces. Airflow is from back to front panel to keep in a nice air

circulation inside the Rack. The automatic fan, which affects the temperature of machine includes various

kinds of speed, therefore, this low-noise fan makes a good result in cooling the heat from machines. MISTRAL

amplifiers include 2 independent channels with separate protection system and power supply. The

independent protection system avoids opening circuit, short, wrong loading or over-heating. The special-

designed protective system applies automatically restarting functions upon the default status and then goes

back to normal.All electronic inputs equip standard power connectors.And all inputs are electronic balanced,

with hi-quality transformer, MISTRAL amplifiers provide an outstanding performance in any conditions.

.Innovative design and high stability power amplifiers.

.Fan-cooledAB class high power amplifier in 19”rack, 2Usize

.Rugged amplifiers in a strong, compact chassis.

.2 independent channels with separate protection system and power supply

.Smart-designed protection system for auto re-operation after fault.

.Auto-adjusting speed fan.

.4LEDs for operation/protection, limit, power on and clip

.High-current toroidal transformer designed for high power at 2Ohms with low noise.

.Independent DC and thermal overload protection on each channel.

.IEC standard power connectors.

.Binding post and NEUTRIK® SPEAKON outputs power connectors.

.Balanced XLR inputs/ parallel outputs.

2.Specification

MISTRAL900 MISTRAL1500

Output Power

20Hz~20KHz @0.1% THD, SCD MODE

8 ohms per channel (EIAJ) 190W 300W

4 ohms per channel (EIAJ) 300W 500W

BRIDGE MONO MODE

8 ohms , 1KHz, 0.1%THD 1400W 2000W

Distortion (SMPTE-IM) <0.05%

Frequency Response 20Hz-20kHz +/- 0.1dB, -3 dB points: 10Hz-60kHz

Damping Factor, 1 kHz and below >300 at 8 ohms

Signal to Noise, 20 Hz-20 kHz 102 dB

VOLTAGE GAIN 40x (32dB)

Input Sensitivity @ 4 ohms 1Vrms

Input Clipping 10 Vrms (+22 dB)

Input Impedance 10 k ohms unbalanced, 20 k ohms balanced 56(36dB)

Controls FRONT:AC SWITCH, CH1 & CH2 GAIN KNOBS

REAR: LIMITER, BRIDGE SELECTOR.

Indicators (1 per channel)

Power-On: Blue LED

Operation/Protection : Dual Color (Green/Red LED)

Limit : Red LED

Clip : Red LED

Connectors, each channel Input:Active balanced XLR

Parallel Output : XLR

Output: NEUTRIK Speakon and Binding posts

Cooling Continuously variable-speed fan, rear-to-front air flow

Load Protection On/off muting, DC-fault load grounding relay. Internal fault fuses.

Power Requirements 200-240(100-120)Vac 50-60Hz

Dimensions 15.9" (40 cm) deep (rack mounting to rear support ears)

19" (48.3 cm) rack mounting, 3.5" (8.9 cm) tall (2 rack spaces)

1 2 3 4 5 6 78

7654321

C1_16

4700uF/80V

R1_13

22R 1W

R1_19

0.1R 3W

D1_6

1N4148

+73V_A

2K1

D1_15

1N4004

GND1

2xMJL21193

Q1_1

MJE15030

1 2

R1_21

470R 3W

1 2

C1_13

22nF/100V poly

1 2

C1_11

3.3nF/50 cer

1 2

C1_12

3.3nF/50 cer

R1_17

4R7 1W

R1_18

4R7 1W

GND1

1D1_19

1N4148

Q1_2

MJE15031

2K1

D1_10

1N4148

Q1_4

1 2

R1_14

22R 1W

1 2

R1_20

0.1R 3W

GND1

-73V_A

2K1

D1_17

1N4004

D1_11

1N4937

D1_12

1N4937

1 2

C1_9

2.2nF/50 cer

C1_10

22nF/50 cer

2K1

D1_13

ZD5V6 1/2W

R1_9

820R

R1_11

1K5 2W

R1_10

820R

1 2

R1_12

1K5 2W

2K1

D1_14

ZD5V6 1/2W

2K1

D1_7

1N4148

Vic+

2K1

D1_3

ZD15V1.3W

C1_8

220uF/25V

GND1

R1_32

100R

GND1

Vic-

1 2

C1_5

56pF/50 cer

1 2

R1_3

10K

1 2

C1_7

27pF/50 cer

1 2

R1_6

12K SPEAKERS BUS

R1_5

330R

C1_6

47uF/16NP

GND1

R1_30

4K7

R1_31

4K7

GND1

CH1 GAIN

1G2

C1_27

47uF/25V

2K1

D1_8

ZD15V1.3W

C1_4

220uF/25V

GND1

1 2

C1_25

100pF/50 cer

1G2

C1_26

47uF/25V

C1_3

100pF/50 cer

1G2

C1_23

10uF/50V

GND1

1G2

C1_24

10uF/50V

1 2

R1_8

NTC 50R

R1_16

TRIMMER 100R

U1_1A

NJM4580L

U1_1B

NJM4580L

U1_1C

NJM4580L

Vic+

Vic-

Q1_3

R1_29

3P-2.5

MIS9-CH1.Sch

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ALTO MISTRAL1500-CH1 DRIVE

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MISTRAL1500 VER040302

U2A

NJM4580L

1 2

R1_42

4K7 1/8W

1 2

R1_41

4K7 1/8W

D1_9

W2 - 0 4

GND1

1 2

R1_25

47R

233

U1_2

VTL5C2

GND1

(FTR VT90N1 VACTEC+)

GND1

CH1 INSERT OUT

CH1 INSERT IN

122

344

566

788

910 10

11 12 12

13 14 14

HEADER 7X2

GND1 GND1

1 2

L1_1

2uH 10A

1 2

R1_26

5R6 2W

R1_22

10R 3W

C1_2

100nF/250V poly

GND1

CH1 OUTPUT

GND1

SPEAKON PCB

12 R1_36

120K

C1_1

47uF/100V

2K1

D1_2

1N4004

12 R1_39

PTC 65R

CH1 PHOTO COUPLER

-15V

+15V

GND1

R1_37

12K

(1.5A 200V)

C1_15

4700uF/80V

R1_7

330R

R1_4

330R

11A

12 C1_14

3.3nF/100 poly

1 2

R1_15

150R

0.2A

U2C

NJM4580L

+15V

-15V

D1_18

3mm RED LED

CH1_LIM_SW1

CH1_LIM_SW2

D1_21

3mm YELLOW LED

2J1_6

CON2

1 2

R1_27

10K

1 2

R1_1

10K

1 2

R1_2

10K

R1_28

10K

CH1 IN+

CH1 IN-

CH1 IN+

CH1 IN-

CH2 IN+

CH2 IN-

CH1 BRIDGE SWITCH CH2 BRIDGE

CH1_LIM_SW1

CH1_LIM_SW2

CH2_LIM_SW1

CH2_LIM_SW2

CH1 BRIDGE S WITCH

Pout=418W RMS @ 4 Ohm

D1_16

3mm GREEN LED

Vic-

Vic+

R1_33

3K3 1/2W

OPERATING LED

OUTPUT_1 OUTPUT1

1 2

F1_1

1 2

F1_2

OUTPUT_1

R1_34

47K

R1_38

10K

100R

10K

2K1

D1_5

ZD15V1.3W

1 2

D1_4

5mm RED LED

GND1

+73V_A

-73V_A

1 2

R1_35

100K

1 2

R1_40

6K8

Q1_6

MPSA42

Q1_5

MPSA92

Vic+

Vic-

GND1

CLIP

J1_4

CN-PCB 6.3

J1_5

CN-PCB 6.3

D1_20

W2 - 0 4

J1_7

CN-PCB 6.3

J1_8

CN-PCB 6.3

J1_9

CN-PCB 6.3

J1_10

CN-PCB 6.3

V+

V-

AC1

GND

J1_11

CON2

J2_11

CON2

GND1

CH1 IN+

CH2 IN+

for PBM8

1 2 3 4 5 6 78

7654321

C2_16

4700uF/80V

R2_13

22R 1W

R2_19

0.1R 3W

D2_6

1N4148

+73V_B

2K1

D2_15

1N4004

GND1

2xMJL21193

Q2_1

MJE15030

1 2

R2_21

470R 3W

1 2

C2_13

22nF/100V poly

1 2

C2_11

3.3nF/50 cer

1 2

C2_12

3.3nF/50 cer

R2_17

4R7 1W

R2_18

4R7 1W

GND1

1D2_19

1N4148

Q2_2

MJE15031

2K1

D2_10

1N4148

Q2_4

1 2

R2_14

22R 1W

1 2

R2_20

0.1R 3W

GND1

-73V_B

2K1

D2_17

1N4004

D2_11

1N4937

D2_12

1N4937

1 2

C2_9

2.2nF/50 cer

C2_10

22nF/50 cer

2K1

D2_13

ZD5V6 1/2W

R2_9

820R

R2_11

1K5 2W

R2_10

820R

1 2

R2_12

1K5 2W

2K1

D2_14

ZD5V6 1/2W

2K1

D2_7

1N4148

Vic2+

2K1

D2_3

ZD15V1.3W

C2_8

220uF/25V

GND1

D2_20

W2 - 0 4

R2_32

100R

GND1

Vic2-

1 2

C2_5

56pF/50 cer

1 2

R2_3

10K

1 2

C2_7

27pF/50 cer

1 2

R2_6

12K SPEAKERS BUS

R2_5

330R

C2_6

47uF/16NP

GND1

R2_30

4K7

R2_31

4K7

GND1

CH1 GAIN

1G2

C2_27

47uF/25V

2K1

D2_8

ZD15V1.3W

C2_4

220uF/25V

GND1

1 2

C2_25

100pF/50 cer

1G2

C2_26

47uF/25V

C2_3

100pF/50 cer

1G2

C2_23

10uF/50V

GND1

1G2

C2_24

10uF/50V

1 2

R2_8

NTC 50R

R2_16

TRIMMER 100R

U2_1A

NJM4580L

U2_1B

NJM4580L

Q2_3

R2_29

3P-2.5

MIS9-CH2.Sch

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MISTRAL1500 VER040302

U2B

NJM4580L

1 2

R2_42

4K7 1/8W

1 2

R2_41

4K7 1/8W

D2_9

W2 - 0 4

GND1

1 2

R2_25

47R

233

U2_2

VTL5C2

GND1

(FTR VT90N1 VACTEC+)

GND1

CH2 INSERT OUT

CH2 INSERT IN

12 L2_1

2uH 10A

1 2

R2_26

5R6 2W

R2_22

10R 3W

C2_2

100nF/250V poly

GND1

CH1 OUTPUT

GND1

SPEAKON PCB

12 R2_36

120K

C2_1

47uF/100V

2K1

D2_2

1N4004

12 R2_39

PTC 65R

CH1 PHOTO COUPLER

-15V

+15V

GND1 (1.5A 200V)

(1.5A 200V)

C2_15

4700uF/80V

R2_7

330R

R2_4

330R

11A

12 C2_14

3.3nF/100 poly

1 2

R2_15

150R

0.2A

D2_18

3mm RED LED

CH2_LIM_SW1

CH2_LIM_SW2

D2_21

3mm YELLOW LED

2J2_6

CON2

1 2

R2_27

10K

1 2

R2_1

10K

1 2

R2_2

10K

R2_28

10K

CH2 IN+

CH2 IN-

CH2 BRIDGE

Pout=418W RMS @ 4 Ohm

D2_16

3mm GREEN LED

Vic2-

Vic2+

R2_33

3K3 1/2W

OPERATING LED

OUTPUT_2 OUTPUT2

1 2

F2_1

1 2

F2_2

OUTPUT_2

R2_34

47K

R2_38

10K

100R

10K

2K1

D2_5

ZD15V1.3W

1 2

D2_4

5mm RED LED

GND1

+73V_B

-73V_B

1 2

R2_35

100K

1 2

R2_40

6K8

Q2_6

MPSA42

Q2_5

MPSA92

Vic2+

Vic2-

GND1

CLIP

U2_1C

NJM4580L

Vic2+

Vic2-

J2_4

CN-PCB 6.3

J2_5

CN-PCB 6.3

J2_7

CN-PCB 6.3

J2_8

CN-PCB 6.3

J2_9

CN-PCB 6.3

J2_10

CN-PCB 6.3

V+

V-

AC1

GND

1 2 3 4 5 6 78

7654321

C1_16

4700uF/80V

R1_13

22R 1W

R1_19

0.1R 3W

R1_23

0.1R 3W

Q1_7

D1_6

1N4148

+73V_A

2K1

D1_15

1N4004

GND1

2xMJL21193

Q1_1

MJE15030

1 2

R1_21

470R 3W

1 2

C1_13

22nF/100V poly

1 2

C1_11

3.3nF/50 cer

1 2

C1_12

3.3nF/50 cer

R1_17

4R7 1W

R1_18

4R7 1W

GND1

1D1_19

1N4148

Q1_2

MJE15031

2K1

D1_10

1N4148

Q1_4B

Q1_8

1 2

R1_14

22R 1W

1 2

R1_20

0.1R 3W

1 2

R1_24

0.1R 3W

GND1

-73V_A

2K1

D1_17

1N4004

D1_11

1N4937

D1_12

1N4937

1 2

C1_9

2.2nF/50 cer

C1_10

22nF/50 cer

2K1

D1_13

ZD5V6 1/2W

R1_9

820R

R1_11

2K2 2W

R1_10

820R

1 2

R1_12

2K2 2W

2K1

D1_14

ZD5V6 1/2W

2K1

D1_7

1N4148

Vic+

2K1

D1_3

ZD15V1.3W

C1_8

220uF/25V

GND1

R1_32

100R

GND1

Vic-

1 2

C1_5

56pF/50 cer

1 2

R1_3

10K

1 2

C1_7

27pF/50 cer

1 2

R1_6

12K SPEAKERS BUS

R1_5

330R

C1_6

47uF/16NP

GND1

R1_30

4K7

R1_31

4K7

GND1

CH1 GAIN

1G2

C1_27

47uF/25V

2K1

D1_8

ZD15V1.3W

C1_4

220uF/25V

GND1

1 2

C1_25

100pF/50 cer

1G2

C1_26

47uF/25V

C1_3

100pF/50 cer

1G2

C1_23

10uF/50V

GND1

1G2

C1_24

10uF/50V

1 2

R1_8

NTC 50R

R1_16

TRIMMER 100R

U1_1A

NJM4580L

U1_1B

NJM4580L

U1_1C

NJM4580L

Vic+

Vic-

Q1_3

R1_29

3P-2.5

MIS15-CH1.Sch

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ALTO MISTRAL1500-CH1 DRIVE

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MISTRAL1500 VER040302

U2A

NJM4580L

1 2

R1_42

4K7 1/8W

1 2

R1_41

4K7 1/8W

D1_9

W2 - 0 4

GND1

1 2

R1_25

47R

233

U1_2

VTL5C2

GND1

(FTR VT90N1 VACTEC+)

GND1

CH1 INSERT OUT

CH1 INSERT IN

122

344

566

788

910 10

11 12 12

13 14 14

HEADER 7X2

GND1 GND1

1 2

L1_1

2uH 10A

1 2

R1_26

5R6 2W

R1_22

10R 3W

C1_2

100nF/250V poly

GND1

CH1 OUTPUT

GND1

SPEAKON PCB

12 R1_36

120K

C1_1

47uF/100V

2K1

D1_2

1N4004

12 R1_39

PTC 65R

CH1 PHOTO COUPLER

-15V

+15V

GND1

R1_37

12K

(1.5A 200V)

C1_15

4700uF/80V

R1_7

330R

R1_4

330R

11A

12 C1_14

3.3nF/100 poly

1 2

R1_15

150R

0.2A

U2C

NJM4580L

+15V

-15V

D1_18

3mm RED LED

CH1_LIM_SW1

CH1_LIM_SW2

D1_21

3mm YELLOW LED

2J1_6

CON2

1 2

R1_27

10K

1 2

R1_1

10K

1 2

R1_2

10K

R1_28

10K

CH1 IN+

CH1 IN-

CH1 IN+

CH1 IN-

CH2 IN+

CH2 IN-

CH1 BRIDGE SWITCH CH2 BRIDGE

CH1_LIM_SW1

CH1_LIM_SW2

CH2_LIM_SW1

CH2_LIM_SW2

CH1 BRIDGE SW ITCH

Pout=418W RMS @ 4 Ohm

D1_16

3mm GREEN LED

Vic-

Vic+

R1_33

3K3 1/2W

OPERATING LED

OUTPUT_1 OUTPUT1

1 2

F1_1

1 2

F1_2

OUTPUT_1

R1_34

47K

R1_38

10K

100R

10K

2K1

D1_5

ZD15V1.3W

1 2

D1_4

5mm RED LED

GND1

+73V_A

-73V_A

1 2

R1_35

100K

1 2

R1_40

6K8

Q1_6

MPSA42

Q1_5

MPSA92

Vic+

Vic-

GND1

CLIP

J1_4

CN-PCB 6.3

J1_5

CN-PCB 6.3

D1_20

W2 - 0 4

J1_7

CN-PCB 6.3

J1_8

CN-PCB 6.3

J1_9

CN-PCB 6.3

J1_10

CN-PCB 6.3

V+

V-

AC1

GND

1 2 3 4 5 6 78

7654321

C2_16

4700uF/80V

R2_13

22R 1W

R2_19

0.1R 3W

R2_23

0.1R 3W

Q2_7

D2_6

1N4148

+73V_B

2K1

D2_15

1N4004

GND1

2xMJL21193

Q2_1

MJE15030

1 2

R2_21

470R 3W

1 2

C2_13

22nF/100V poly

1 2

C2_11

3.3nF/50 cer

1 2

C2_12

3.3nF/50 cer

R2_17

4R7 1W

R2_18

4R7 1W

GND1

1D2_19

1N4148

Q2_2

MJE15031

2K1

D2_10

1N4148

Q2_4B

Q2_8

1 2

R2_14

22R 1W

1 2

R2_20

0.1R 3W

1 2

R2_24

0.1R 3W

GND1

-73V_B

2K1

D2_17

1N4004

D2_11

1N4937

D2_12

1N4937

1 2

C2_9

2.2nF/50 cer

C2_10

22nF/50 cer

2K1

D2_13

ZD5V6 1/2W

R2_9

820R

R2_11

2K2 2W

R2_10

820R

1 2

R2_12

2K2 2W

2K1

D2_14

ZD5V6 1/2W

2K1

D2_7

1N4148

Vic2+

2K1

D2_3

ZD15V1.3W

C2_8

220uF/25V

GND1

D2_20

W2 - 0 4

R2_32

100R

GND1

Vic2-

1 2

C2_5

56pF/50 cer

1 2

R2_3

10K

1 2

C2_7

27pF/50 cer

1 2

R2_6

12K SPEAKERS BUS

R2_5

330R

C2_6

47uF/16NP

GND1

R2_30

4K7

R2_31

4K7

GND1

CH1 GAIN

1G2

C2_27

47uF/25V

2K1

D2_8

ZD15V1.3W

C2_4

220uF/25V

GND1

1 2

C2_25

100pF/50 cer

1G2

C2_26

47uF/25V

C2_3

100pF/50 cer

1G2

C2_23

10uF/50V

GND1

1G2

C2_24

10uF/50V

1 2

R2_8

NTC 50R

R2_16

TRIMMER 100R

U2_1A

NJM4580L

U2_1B

NJM4580L

Q2_3

R2_29

3P-2.5

MIS15-CH2.Sch

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2-Mar-2004

C.C.LIN

ALTO MISTRAL1500-CH1 DRIVE

33of

MISTRAL1500 VER040302

U2B

NJM4580L

1 2

R2_42

4K7 1/8W

1 2

R2_41

4K7 1/8W

D2_9

W2 - 0 4

GND1

1 2

R2_25

47R

233

U2_2

VTL5C2

GND1

(FTR VT90N1 VACTEC+)

GND1

CH2 INSERT OUT

CH2 INSERT IN

12 L2_1

2uH 10A

1 2

R2_26

5R6 2W

R2_22

10R 3W

C2_2

100nF/250V poly

GND1

CH1 OUTPUT

GND1

SPEAKON PCB

12 R2_36

120K

C2_1

47uF/100V

2K1

D2_2

1N4004

12 R2_39

PTC 65R

CH1 PHOTO COUPLER

-15V

+15V

GND1 (1.5A 200V)

(1.5A 200V)

C2_15

4700uF/80V

R2_7

330R

R2_4

330R

11A

12 C2_14

3.3nF/100 poly

1 2

R2_15

150R

0.2A

D2_18

3mm RED LED

CH2_LIM_SW1

CH2_LIM_SW2

D2_21

3mm YELLOW LED

2J2_6

CON2

1 2

R2_27

10K

1 2

R2_1

10K

1 2

R2_2

10K

R2_28

10K

CH2 IN+

CH2 IN-

CH2 BRIDGE

Pout=418W RMS @ 4 Ohm

D2_16

3mm GREEN LED

Vic2-

Vic2+

R2_33

3K3 1/2W

OPERATING LED

OUTPUT_2 OUTPUT2

1 2

F2_1

1 2

F2_2

OUTPUT_2

R2_34

47K

R2_38

10K

100R

10K

2K1

D2_5

ZD15V1.3W

1 2

D2_4

5mm RED LED

GND1

+73V_B

-73V_B

1 2

R2_35

100K

1 2

R2_40

6K8

Q2_6

MPSA42

Q2_5

MPSA92

Vic2+

Vic2-

GND1

CLIP

U2_1C

NJM4580L

Vic2+

Vic2-

J2_4

CN-PCB 6.3

J2_5

CN-PCB 6.3

J2_7

CN-PCB 6.3

J2_8

CN-PCB 6.3

J2_9

CN-PCB 6.3

J2_10

CN-PCB 6.3

V+

V-

AC1

GND

1 2 34

321

D2_30

3mm YELLOW LED

D2_3

3mm RED LED

D2_29

3mm BLUE LED

LIMITER

CLIP

ON/PROTECTION

D2_1

3mm GREEN LED

POWER ON

D1_30

3mm YELLOW LED

D1_3

3mm RED LED

D1_29

3mm BLUE LED

LIMITER

CLIP

ON/PROTECTION

D1_1

3mm GREEN LED

POWER ON

VR1_1

B50K

VR2_1

B50K

CN1_1

3P2.5

CN2_1

3P2.5

CN3

CON14

MIS15FP.Sch

Titel

Size

File:

Date:

Drawn By:

Sheet

RevisionModel No:

8-Mar-2004

C.C.LIN

ALTO : MISTRAL1500

11of

MISTRAL1500 VER040204

1 2 34

321

910

11 12

13 14

CN1

HEADER 7X2

CN3

CH1-XLR-IN

CN2

CH1-LINK-OUT

SW1A

BRIDGE

SW1B

BRIDGE

SW2A

LIMITER

SW2B

LIMITER

PJ1

CH1-JACK-IN

CN5

CH2-XLR-IN

CN4

CH2-LINK-OUT

PJ2

CH2-JACK-IN

CN7

CON3

CN6

CON3

CN8

CON3

CN9

CON3

MIS15IN.Sch

Titel

Size

File:

Date:

Drawn By:

Sheet

RevisionModel No:

8-Mar-2004

C.C.LIN

ALTO : MISTRAL1500

11of

MISTRAL1500 VER040204

Autres manuels pour MISTRAL 900

Ce manuel convient aux modèles suivants

Table des matières

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