Level diagram, Dsp digital domain, Lpf volume – Vax M-9000 User Manual

Page 122

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122

23. LEVEL DIAGRAM

M-9000

A-9060DH/9120DH/9120DL

SLOT

ADC

MODULE SLOT

ANALOG INPUT

ADC INPUT

Clipping Level

Reference Level

DSP

Digital Domain

–10 dB ATT

0 dBFS = 1 V

DAC

SPEAKERS

LPF

VOLUME

PRE
AMP
OUT 1

H

H: Hot
C: Cold
E: Earth

H: Hot
C: Cold
E: Earth

C
E

PRE
AMP
OUT 2

PRE AMP
OUT 1

PWR AMP
IN 1

PRE AMP
OUT 2

PWR AMP
IN 2

RELAY

RELAY

H
C
E

PRE
AMP
OUT 2

H
C
E

OUTPUT

Analog

FADER

ATTENUATION

ONLY

AMPLIFY

ONLY

OUTPUT

Digital

FADER

INPUT

Digital

FADER

(dB)

+10

(dBV)

+40

+30

+20

+10

0

–10

–20

–30

+9
+8
+7
+6
+5
+4
+3
+2
+1

0

–1
–2
–3
–4
–5
–6
–7
–8
–9

–10

–67
–68
–69
–70

OFF

(dB)

+10

+9
+8
+7
+6
+5
+4
+3
+2
+1

0

–1
–2
–3
–4
–5
–6
–7
–8
–9

–10

–67
–68
–69
–70

OFF

(dB)

(dB)

+10

+9
+8
+7
+6
+5
+4
+3
+2
+1

0

0

–1
–2
–3
–4
–5
–6
–7
–8
–9

–10

–67
–68
–69
–70

OFF

CROSS

POINT

Digital

FADER

0 dBFS = 2 V

(0 dB Gain)

(+14 dB Gain)

(+14 dB Gain)

NE5532

NE5532

(+14 dB Gain)

(+14 dB Gain)

NE5532

POWER
AMP

POWER
AMP

NE5532

LPF

(0 dB Gain)

MIXOUT

–14 dBV

(200 mV)

(3.16 V)

+10 dBV

(1 V)

0 dBV

(100 mV)

–20 dBV

PRE OUT

SPEAKER OUTPUT

(10 V)

+20 dBV

70 V

(70 V)

+37 dBV

25 V

(25 V)

+28 dBV

60 W

4

(15.5 V)

+24 dBV

120 W

(22 V)

+27 dBV

(1 V)

0 dBV

POWER AMP

INPUT

(1 V)

0 dBV

(2 V)

+6 dBV

(200 mV)

–14 dBV

DSP INPUT

DSP OUTPUT

DAC OUTPUT

(2 V)

+6 dBV

(200 mV)

–14 dBV

VOLUME OUTPUT

(2 V)

+6 dBV

(200 mV)

–14 dBV

LPF OUTPUT

&

SLOT MIX OUT

MIXER mode

ONLY

FADER MARGIN

0 dBFS

10 dB

10 dB

FADER MARGIN

10 dB

10 dB

FADER MARGIN

10 dB

10 dB

–20 dBFS

0 dBFS

–20 dBFS

(316 mV)

–10 dBV

L

LOW

COM

HIGH

R

L

R

AIN

DIN

DIN

DOUT

OUT 1

+

+

OUT 2

A-9060S/9120S/9240SH

PRE AMP
OUT 1

PWR AMP
IN

RELAY

(+14 dB Gain)

(+14 dB Gain)

NE5532

POWER
AMP

NE5532

SPEAKERS

OT-less model: A-9240SH CU

70 V

+

+

SPEAKERS

70 V
25 V
8

COM

70 V

OT

25 V
8

COM

TRANS IN
DIRECT
E

With OT model:
A-9060S CU, A-9120S CU

70 V Hi-Z BTL POWER AMP (gain: +37 dB): A-9060DH CU, A-9120DH CU
Low-Z Single-END POWER AMP (gain: +27 dB): A-9120DL CU

Model:
A-9060S CU
A-9120S CU
A-9240SH CU

Gain:
24 dB
27 dB
37 dB

Single-END
Single-END
70 V Hi-Z BTL

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