Velleman К8077 Manual de usuario descargar pdf (Pagina 31)

Filter section :

RV1A

RV2B

50k log

RV2A

50k log

(gain:=x2)

S_GND

R62

470

SK12

(*) Select operation mode:

Subwoofer:

R61: not mounted

R23: 1K

Full range:

R61: 1K8

R23: not mounted

Full range with 6dB bass boost:

R61: 1K8

R23: 1K

amp

R61

1K8

(*)

C22

4n7

SK2

Low in (L)

SK1

Low in (R)

SK3

High in (L)

SK4

High in (R)

S_GND

390p

100n

S_GND

+15V

-15V

SW1

SW TS-4

R7 47K

S_GND

Level

Filter slope adj

High pass (30Hz)

S_GND

4K7

S_GND

R12

22K

R13

22K

filter

amp

Low pass

100n

S_GND

+15V

-15V

100n

R30

100K

S_GND

R20

S_GND

R21 1M

R19 10K

ZD2

5V1

S_GND

BAT85

S_GND

C29

22µF/63V

R18

auto

+15V

-15V

+15V

-15V

R26 15K

C17

S_GND

R29

100K

C24

22n

C23

22n

C21

68n

C20

47n

R25

390K

S_GND

R24

100K

R22

33K

R14 33K

S_GND

R23

IC1B

TL072

IC2B

TL074

IC2C

TL074

IC2D

TL074

IC2A

TL074

R15

22K

R16 10K

R17

22K

S_GND

0/180°

C25

10µF

C26

10µF

S_GND

R27

470

C18

100p

R28

15K

22K

R10

4K7

R11

4K7

IC1A

TL072

(*)

Connect to chassis ground

Schematic diagram

1 2 ... 26 27 28 29 30 31 32

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Velleman К8077 Manual de usuario Pagina 31

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