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5

EQU231TWIN

20

31.5

50

100

200

500

1.25K

2.5K

6.3K

12.5K

25

40

80

160

400

1K

2K

5K

10K

63

125

315

800

250

630

1.6K

4K

3.15K

8K

16K

20K

LEVEL

Channel One

Channel Two

Dual 31 Band Graphic Equalizer

20

31.5

50

100

200

500

1.25K

2.5K

6.3K

12.5K

25

40

80

160

400

1K

2K

5K

10K

63

125

315

800

250

630

1.6K

4K

3.15K

8K

16K

20K

LEVEL

POWER

BY-PASS

RANGE

HI-PASS LOW-PASS

CLIP

40Hz

16 KHz

12

6

ON

OFF

BY-PASS

RANGE

HI-PASS LOW-PASS

CLIP

40Hz

16 KHz

12

6

LTO

R

1. Filter level controls

EQU231TWIN Front Panel

1

14

POWER

20

31.5

50

100

200

500

1.25K

2.5K

6.3K

12.5K

25

40

80

160

400

1K

2K

5K

10K

63

125

315

800

250

630

1.6K

4K

3.15K

8K

16K

20K

LEVEL

Channel One

Channel Two

20

31.5

50

100

200

500

1.25K

2.5K

6.3K

12.5K

25

40

80

160

400

1K

2K

5K

10K

63

125

315

800

250

630

1.6K

4K

3.15K

8K

16K

20K

LEVEL

EQU231VU

31 Band Graphic Equalizer

RANGE

BYPASS

HI-PASS

40Hz

LOW-PASS

16KHz

CLIP

6

12

BY-PASS

16KHz

40Hz

HI-PASS

40Hz

LOW-PASS

16KHz

BYPASS

ON

OFF

RANGE

LTO

R

6

12

BY-PASS

CLIP

16KHz

40Hz

1

2

11

13

12

4

3

6

8 5 7 10

POWER OUTPUT

LTO

R

POWER OUTPUT

LTO

R

EQU231VU Front Panel

1

2

10

14

Channel One

Channel Two

20

31.5

50

100

200

500

1.25K

2.5K

6.3K

12.5K

25

40

80

160

400

1K

2K

5K

10K

63

125

315

800

250

630

1.6K

4K

3.15K

8K

16K

20K

LEVEL

BY-PASS

RANGE

HI-PASS LOW-PASS

CLIP

40Hz

16 KHz

BY-PASS

RANGE

HI-PASS LOW-PASS

CLIP

40Hz

16 KHz

POWER

EQU231LED

Dual 31 Band Graphic Equalizer

ON

OFF

20

31.5

50

100

200

500

1.25K

2.5K

6.3K

12.5K

25

40

80

160

400

1K

2K

5K

10K

63

125

315

800

250

630

1.6K

4K

3.15K

8K

16K

20K

LEVEL

12

12

6

6

LTO

R

3 12 13 5

4

7

9 8

EQU231LED Front Panel

EQU131VU

31 Band Graphic Equalizer

BY-PASS

RANGE

HI-PASS LOW-PASS

POWER

ON

OFF

CLIP

40Hz

16 KHz

20

31.5

50

100

200

500

1.25K

2.5K

6.3K

12.5K

25

40

80

160

400

1K

2K

5K

10K

63

125

315

800

250

630

1.6K

4K

3.15K

8K

16K

20K

LEVEL

6

12

LTO

LTO

R

1

2

3 12 13 5

11

4

7

9 8

POWER OUTPUT

LTO

R

EQU131VU Front Panel

10

2

10

3 12 13

5

4

7

9 8

0

+12

+6

-12

- 6

+13

+ 9

0dB

- 9

-13

+17

-

0

+12

+6

-12

- 6

+13

+ 9

0dB

- 9

-13

+17

-

0

+12

+6

-12

- 6

+13

+ 9

0dB

- 9

-13

+17

-

0

-

0dB

+17

+12

+6

-12

- 6

0

-

0dB

+17

+12

+6

-12

- 6

0

-

0dB

+17

+12

+6

-12

- 6

0

-

0dB

+17

+12

+6

-12

- 6

Each one of these linear potentiometers will boost or attenuate (either

6dB or

12dB) the selected frequency

at a preset bandwidth.
When all the sliders are in the centre position, the output of the equalizer is flat response.

Содержание EQU Series

Страница 1: ...EQU Series LTO R www altoproaudio com Version 2 0 Dec 2002 English 15 31 Band Graphic Equalizer User s Manual...

Страница 2: ...to qualified service personnel only Do not perform any servicing other than those instructions contained within the User s Manual When required either blow off dust from the product or use a dry cloth...

Страница 3: ...DIO TEAM and the one confirming the quality of our job we would like to share with you our work and our dreams pay attention to your suggestions and your comments Following this idea we create our pro...

Страница 4: ...INSTALLATION CONNECTION 8 4 1 Mains Connection 4 2 Audio Connection 4 3 Rack Mounting 5 APPLICATION 10 5 1 The Sound Frequency 5 2 Equalizer In Sound Reinforcement Systems Line Instrument Mixing Conso...

Страница 5: ...25 20 31 Band Graphic Equalizer ON OFF 12 LTO R POWER 0 0dB 17 12 6 12 6 POWER EQU215 25 40 63 100 160 250 400 630 1K 1 6K 2 5K 4K 6 3K 10K 16K LEVEL Channel One 25 40 63 100 160 250 400 630 1K 1 6K...

Страница 6: ...TO R EQU231VU Front Panel 1 2 10 14 Channel One Channel Two 20 31 5 50 100 200 500 1 25K 2 5K 6 3K 12 5K 25 40 80 160 400 1K 2K 5K 10K 63 125 315 800 250 630 1 6K 4K 3 15K 8K 16K 20K LEVEL BY PASS RAN...

Страница 7: ...the equalizer Its 0dB position is unity gain no boost or attenuation If the clip LED 5 is light continuously turndown this control until it only flickers occasionally 3 High pass filter This button el...

Страница 8: ...LACE FUSE AS MARKED T U V Rheinla n d o f N o rth America I n c C US Rheinland Production inspected IN IN SERIAL MODEL EQU2215 Rear Panel 19 20 18 17 16 15 17 16 15 7 GND LIFT OUT IN UNBALANCED OUT IN...

Страница 9: ...tage pull the fuse holder out rotate it 180 and push it back again The operating voltage will be indicated by one of the two triangular markers XLR Type Unbalanced Pin3 Pin2 Pin1 Linked to Pin1 manual...

Страница 10: ...ailable from various rack manufactures or your music dealer The EQU Series fits into one standard 19 rack unit of space but the EQU131 and EQU215 will be 1H height the EQU231TWIN will be 4H height whi...

Страница 11: ...Violin Viola Cello Double Bass Guitar KEYBOARDS Pianoforte Organ PERCUSSION Celesta Timpani Xylophone FREQUENCY 25 31 40 50 62 80 100 125 160 200 250 320 400 500 640 800 1K 1 3K1 6K 2K 2 5K 3 1K 4K 5...

Страница 12: ...100 200 500 1 25K 2 5K 6 3K 12 5K 25 40 80 160 400 1K 2K 5K 10K 63 125 315 800 250 630 1 6K 4K 3 15K 8K 16K 20K LEVEL 12 12 6 6 LTO R From line instrument outputs To power amplifier inputs CH1 IN CH2...

Страница 13: ...ed button type 16KHz 12dB oct fixed button type 20Hz to 50KHz at 3dB 0 02 1KHz all VR at middle position 93dB 1KHz 110V 120VAC 60Hz 220V 240VAC 50Hz 1 31 band 1 3 octave ISO spacing 7W 2 15 band 2 3 o...

Страница 14: ...LTO of 1 year from the purchase date if you have completed the Warranty Registration Card in time 3 3 During the warranty service may repair or replace this product at its own option at no charge to...

Страница 15: ...l rights reserved to ALTO Mobile Due to continued development in response to customer feedback product features specifications and or internal external design may be changed without prior notice No ph...

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