TOA Electronics 25. LEVEL DIAGRAM

25. LEVEL DIAGRAM

Digital Domain

SPEAKER OUTPUT

(dBV)

4 Ω

70 V

60 W

25 V

120 W

+40

MODULE SLOT

LPF OUTPUT

+37 dBV

(70 V)

+28 dBV

+30

ADC INPUT

DSP INPUT

DSP OUTPUT

DAC OUTPUT

&

VOLUME OUTPUT

PRE OUT

+27 dBV

ANALOG INPUT

MIXER mode

SLOT MIX OUT

(25 V)

+24 dBV

+20

Clipping Level

+20 dBV

(22 V)

ONLY

(15.5 V)

(10 V)

POWER AMP

+10 dBV

+10

+6 dBV

+6 dBV

+6 dBV

(3.16 V)

FADER MARGIN

FADER MARGIN

FADER MARGIN

INPUT

0 dBV

0 dBFS

0 dBFS

(2 V)

(2 V)

(2 V)

0 dBV

0 dBV

0

(1 V)

10 dB

10 dB

10 dB

(1 V)

(1 V)

–10 dBV

–10

–14 dBV

–14 dBV

–14 dBV

(316 mV)

–20 dBV

–20 dBFS

–20 dBFS

(200 mV)

(200 mV)

(200 mV)

–20

Reference Level

(100 mV)

10 dB

10 dB

10 dB

–30

–14 dBV

(200 mV)

–10 dB ATT

DSP

MIXOUT

AIN

L

ADC

L

LPF

SLOT

R

LOW

DAC

(0 dB Gain)

0 dBFS = 1 V

COM

DIN

DOUT

HIGH

DIN

R

LPF

0 dBFS = 2 V

(0 dB Gain)

INPUT

CROSS

OUTPUT

POINT

Digital

Digital

Digital

FADER

FADER

FADER

(dB)

(dB)

(dB)

+10

+10

+10

+9

+9

+9

+8

+8

AMPLIFY

+8

+7

+7

+7

ONLY

+6

+6

+6

+5

+5

+5

+4

+4

+4

+3

+3

+3

+2

+2

+2

(dB)

+1

+1

+1

0

0

0

0

–1

–1

–1

–2

–2

–2

–3

–3

–3

–4

–4

–4

–5

–5

–5

–6

–6

–6

–7

–7

–7

–8

–8

–8

–9

–9

–9

–10

–10

–10

–67	–67	–67
–68	–68	–68
–69	–69	–69
–70	–70	–70
OFF	OFF	OFF

M-9000

HPRE

NE5532 C AMP

EOUT 1

VOLUME	(+14 dB Gain)	H: Hot
		C: Cold
	(+14 dB Gain)	E: Earth

HPRE

NE5532 C AMP

EOUT 2

OUTPUT
Analog
FADER	A-9060S/9120S/9240SH
	PRE AMP PWR AMP		With OT model:
			A-9060S CU, A-9120S CU
	OUT 1	IN	OT 70 V
		RELAY		70 V
		POWER	25 V
				25 V
			8 Ω
	NE5532	AMP		8 Ω
			COM	COM
	(+14 dB Gain)			TRANS IN
				DIRECT
ATTENUATION	(+14 dB Gain)			E
ONLY				SPEAKERS

HPRE

NE5532	C	AMP			OT-less model: A-9240SH CU
	E	OUT 2
	H: Hot						+
	C: Cold		Model:	Gain:			+	70 V
	E: Earth						–
			A-9060S CU	24 dB	Single-END
							–
			A-9120S CU	27 dB	Single-END		SPEAKERS
			A-9240SH CU	37 dB	70 V Hi-Z BTL
A-9060DH/9120DH/9120DL			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
	PRE AMP PWR AMP
	OUT 1	IN 1			RELAY
			POWER
NE5532			AMP			SPEAKERS
(+14 dB Gain)						+	OUT 1
						–
	PRE AMP PWR AMP					+	OUT 2
(+14 dB Gain)	OUT 2	IN 2			RELAY	–
			POWER
NE5532			AMP

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