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MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
APPLICATION
This IC can be used Analog Signal processing of Power Amp.front stage This IC can be used Car Audio System,Home Audio System and TV.
FEATURES
This IC is unnecessary for outside putting CR by using SCF for Loudness and Tone Control. Bass : +16dB to -12dB/2dBstep. f0,Q=variable. f0=50Hz,80Hz,120Hz Q=1,1.25,1.5,2 Mid : +12dB to -12dB/2dBstep. f0,Q=variable. f0=700Hz,1KHz,2KHz,10KHz Q=1.5,2 Treble : +12dB to -12dB/2dBstep. f0=variable. f0=8KHz,12KHz Loudness : f0=variable. f0=60Hz,80Hz,100Hz Build-in Non Fader Volume +12dB to -12dB /2dB step, - dB Build-in Zero-Crossing Detector Circuit for Changing Noise Measure. Build-in Differential Input and Differential Output Build-in Input Selector (4 input + Differential Input) Build-in Input Gain Control Outline 0dB to +18.75dB/1.25dB step Build-in Master Volume and Fader Volume (Front,Rear) 36P2R Volume : 0dB to -83dB , - dB/1dB step Fader : 0dB ,-1dB,-2dB,-3dB,-4dB,-6dB,-8dB,-12dB,-16dB,-20dB,-30dB,-45dB,-60dB,- dB/16 step Serial Data Control of 2 lines formula.
RECOMMENDED OPERATING CONDITIONS
Supply voltage range...VCC=7V to 9V VDD=4.5V to 5.5V Rated supply voltage... VCC=8V VDD=5V
SYSTEM BLOCK DIAGRAM
DEFN OUT2 DEFP IN2 DEFN IN2 INA2 INB2 INC2 IND2 Input Gain Control
Master Volume is composed of Volume1 and Volume2 Non Fader
Differential Amp.
Volume1 Loudness
Volume2
Fader
Front Rear
-
+
Bass/Mid/ Treble
Non Fader
Zero-Cross Detector Circuit Zero-Cross Detector Circuit
u-com Interface
DATA CLOCK Non Fader
IND1 INC1 INB1 INA1 DEFN IN1 DEFP IN1 DEFN OUT1
Differential Amp.
Input Gain Control
Master Volume is composed of Volume1 and Volume2 Non Fader
Volume1 Loudness
Volume2
Fader
Rear Front
-
+
Bass/Mid/ Treble
D-61508-98-C
MITSUBISHI ELECTRIC
( 1 /22)
MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
12dB
12dB
+
+
D-61508-98-C
MITSUBISHI ELECTRIC
( 2 /22)
MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
PIN DESCRIPTION
Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
Symbol REF DEFP IN1 DEFN IN1 INA1 INB1
Function
Signal Ground of IC. Grounding about 10uF Positive Input pin of Differential Amp. Negative Input pin of Differential Amp.
Input pin of Channel 1 for Input Selector SW
INC1 IND1 DEFN OUT1 SEL OUT1 VOL IN1 TONE OUT1 FADER IN1 REAR OUT1
Output pin (-) of Differential Amp. Output pin of Input Selector Input pin of Volume1 Output pin of Tone Input pin of Volume2 Output pin of Fader Volume (rear)
FRONT OUT1 Output pin of Fader Volume (front)
Non Fader OUT1 Output pin of Non Fader Volume
GND DATA N.C.
Ground Pin Input pin of Control Data. It synchronized at CLOCK and inputted Data N.C. Pin
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MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL Pin No. 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 System N.C. CLOCK VDD
N.C. Pin Clock Input pin for Serial Data Transmission Digital Power Supply pin
Function
Non Fader OUT2 Output pin of Non Fader Volume
FRONT OUT2 Output pin of Fader Volume (front) REAR OUT2 FADER IN2 TONE OUT2 VOL IN2 SEL OUT2 DEFN OUT1 IND2 INC2
Input pin of channel 2 for Input Selector SW Output pin of Fader Volume (rear) Input pin of Volume 2 Output pin of Tone Input pin of Volume1 Output pin of Input Selector Output pin (-) of Differential Amp.
INB2 INA2 DEFN IN1 DEFP IN1 VCC
Negative Input pin of Differential Amp. Positive Input pin of Differential Amp. Analog Power Supply pin
D-61508-98-C
MITSUBISHI ELECTRIC
( 4 /22)
MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
D-61508-98-C
MITSUBISHI ELECTRIC
( 5 /22)
MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
ELECTRICAL CHARACTERISTICS
(Ta=25 C,VCC=8V,VDD=5V,Input Gain/Volume/Tone/fader=0dB,Loudness=OFF,unless otherwise noted.)
Limits
Symbol Icc GV
Parameter Circuit Current
Test conditions
Min typ Max 40 -2 Vi=1Vrms , f=1KHz ATT(VOL)= - dB ATT(VOL)= 0dB
f=1KHz , DIN-AUDIO
Unit mA dB dB dB Vrms dB dB dB dB dB dB dB Vrms
12 5 3.5 0.01 0.05 -90 -75 10 13 -75 -60 16
No signal setting
0 -90 -2 0
Pass Gain Volume Maximum ATT(VOL) Attenuation Quantity Crosstalk between ATT(VOL) Channels VIM G(Bass)B G(Bass)C G(MID)B G(MID)C G(Tre)B G(Tre)C A TT (FED) VOM Vno 1 Vno 2 Vno 3 THD CS CT Total harmonic distortion
Channel Separation
+2 -80 +2 1.8
Maximum Input Voltage Boost Quantity (Bass) Cut Quantity (Bass) Boost Quantity (Mid) Cut Quantity (Mid) Boost Quantity (Treble) Cut Quantity (Treble) Fader Maximum Attenuation Quantity Maximum input voltage
THD=1%
f=100Hz f=100Hz f=1KHz f=1KHz f=10KHz f=10KHz
Vi=1Vrms , f=1KHz,DIN-AUDIO
13 -15 9 -15 9 -15
dB
16 -12 12 -12 12 -12 -90
19 -9 15 -9 15 -9 -80
ATT(FED)= -
f=1KHz , DIN-AUDIO THD=1% Rg=0,DIN-AUDIO
1.8
output noise voltage
Bypass setting Rg=0,DIN-AUDIO ATT(VOL)= - dB Rg=0,DIN-AUDIO f=1KHz,Vo=0.5Vrms BW:400Hz to 30KHz
uVrms
% dB dB dB dB dB
f=1KHz,DIN-AUDIO f=1KHz,DIN-AUDIO
Loudness ON , f=100Hz VOL1= -30dB , VOL2=0dB LOUD_VOL= -20dB
Input Selector Crosstalk
Gv(LOUD) Loudness voltage gain Gv(GAIN) Input gain control Common Mode CMRR Rejection Ratio
D-61508-98-C
Gv(GAIN)= +18.75dB
15.75 18.75 21.75 50
2,3pin/34,35pin
Common mode signal input setting
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
CONNECTION of DATA AND CLOCK
CLOCK D0 DATA D1 D2 D3 D32 D33 D34
Data signals are read at rising edges of Clock.
Latch signal "H" Latch signals are read at rising edges of Clock.
DIGITAL BLOCK DIRECT CURRENT CHARACTERISTIC
Symbol
V IL V IH I I
IL IH
Parameter
"L" Level Input Voltage "H" Level Input Voltage I "L"Level Input Electric Current I "H" Level Input Electric Current
Test Conditions
VDD=5V setting DATA,CLOCK Pin
Min
0 4.0 -10
Limits typ Max
1.0 5.0 10 10
Unit
V
uA
V=0V V=5V
DATA, CLOCK Pin
D-61508-98-C
MITSUBISHI ELECTRIC
( 7 /22)
MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
CLOCK AND DATA TIMING
t
cr
75%
CLOCK
25%
t
r
t
f
t
WHC
t
WLC
DATA
t SD
t
HD
DIGITAL BLOCK ALTERNATING CURRENT CHARACTERISTIC
Symbol
t t t t t t t
cr WHC WLC r f SD HD
Parameter
CLOCK Cycle Time CLOCK Pulse Width ("H" level) CLOCK Pulse Width ("L" level) CLOCK Rise Time CLOCK Hall Time DATA Setup Time DATA Hold Time
Min
4 1.6 1.6
Limits typ
Max
Unit
0.4 0.4 0.8 0.8
uS
D-61508-98-C
MITSUBISHI ELECTRIC
( 8 /22)
MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
D-61508-98-C
MITSUBISHI ELECTRIC
( 9/22)
MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
VOLUME 1 CODE
ATTVA1
CH1 CH2
D0 D7 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
D1 D8 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0
D2 D9 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0
D3 D10 0 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
D4 D11 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
ATTVA2
CH1 CH2
D5 D12 1 0 1 0
D6 D13 1 1 0 0
0dB -1dB -2dB -3dB -4dB -5dB -6dB -7dB -8dB -9dB -10dB -11dB -12dB -16dB -20dB -24dB -28dB
0dB -1dB -2dB -3dB
ATTVA2 fixed to 0dB when 0dB -12dB setting.
VOLUME 2 CODE
ATT VB1
CH1 CH2
D0 D6 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
D1 D7 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0
D2 D8 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0
D3 D9 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
ATTVB2
CH1 CH2
D4 D10 1 0 1 0
D5 D11 1 1 0 0
0dB -2dB -4dB -6dB -8dB -10dB -12dB -14dB -16dB -24dB -32dB -40dB -48dB -56dB - dB
0dB -2dB -4dB -6dB
ATTVB2 fixed to 0dB when 0dB -16dB setting.
TIMER SETTING CODE
TIMER 5mS 10mS 15mS 20mS D25 1 0 1 0 D26 1 1 0 0
D-61508-98-C
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
TONE CODE
MID TREBLE
12dB 10dB 8dB 6dB 4dB 2dB 0dB -2dB -4dB -6dB -8dB -10dB -12dB D8 D15 0 1 0 1 0 1 0 1 0 1 0 1 0 D9 D16 1 0 0 1 1 0 0 0 1 1 0 0 1 D10 D17 1 1 1 0 0 0 0 0 0 0 1 1 1 D11 D18 0 0 0 0 0 0 0/1 1 1 1 1 1 1
LOUDNESS VOLUME CODE
LOUDNESS -2dB -4dB -6dB -8dB -10dB -12dB -14dB -16dB -18dB -20dB -22dB -24dB -26dB -28dB -30dB dB D21 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 D22 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 D23 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 D24 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
BASS
16dB 14dB 12dB 10dB 8dB 6dB 4dB 2dB 0dB -2dB -4dB -6dB -8dB -10dB -12dB
D0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
D1 0 1 1 0 0 1 1 0 0 0 1 1 0 0 1
D2 0 1 1 1 1 0 0 0 0 0 0 0 1 1 1
D3 1 0 0 0 0 0 0 0 0 1 1 1 1 1 1
* Please refer to 21,22 page for Loudness gain setting.
LOUDNESS fO CONTROL
LOUDNESS fO CONTROL
D30 1 0 1
D31 1 1 0
f0=60Hz f0=80Hz f0=100Hz
TONE f0,Q CONTROL CODE
BASS f0 CONTROL
D4 1 0 1
D5 1 1 0
MID f0 CONTROL
D12 1 0 1 0 D14 1 0
D13 1 1 0 0
TREBLE f0 CONTROL
D19 1 0
f0=50Hz f0=80Hz f0=120Hz
f0=700Hz f0=1KHz f0=2KHz f0=10KHz
MID Q CONTROL
f0=8KHz f0=12KHz
BASS Q CONTROL
D6 1 0 1 0
D7 1 1 0 0
Q=2 Q=1.5 Q=1.25 Q=1
Q=1.5 Q=2
D-61508-98-C
MITSUBISHI ELECTRIC
(11/22)
MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
SELECTOR CODE
SELECTOR INA INB INC IND
Differential Input
NON FADER CODE
D15 0 1 1 0 0 D16 1 0 0 0 0
D14 0 1 0 1 0
ATT
+12dB +10dB +8dB +6dB +4dB +2dB 0dB -2dB -4dB -6dB -8dB -10dB -12dB - dB
D26 1 0 1 0 1 0 1 0 1 0 1 0 1 0
D27 0 0 1 1 0 0 1 1 0 0 1 1 0 0
D28 1 1 0 0 0 0 1 1 1 1 0 0 0 0
D29 1 1 1 1 1 1 0 0 0 0 0 0 0 0
INPUT GAIN CONTROL CODE
INPUT GAIN CONTROL
D17 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0
D18 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0
D19 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0
D20 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
0dB 1.25dB 2.50dB 3.75dB 5.00dB 6.25dB 7.50dB 8.75dB 10.00dB 11.25dB 12.50dB 13.75dB 15.00dB 16.25dB 17.50dB 18.75dB
FADER CODE
FADER
0dB -1dB -2dB -3dB -4dB -6dB -8dB -10dB -12dB -14dB -16dB -20dB -30dB -45dB -60dB - dB D21 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 D22 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 D23 1 1 1 1 0 0 0 0 1 1 1 1 0 0 0 0 D24 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0
D-61508-98-C
MITSUBISHI ELECTRIC
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MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
LOUDNESS,TONE CONTROL FREQUENCY CHARACTERISTIC
fig.1) Loudness Frequency Characteristic
fig.2) Loudness Frequency Characteristic(VOL=-30dB,Loudness=-20dB,fO=Variable)
fig.3) Bass Frequency Characteristic(fO=50Hz,Q=2,Gv=Variable)
fig.4) Bass Frequency Characteristic(Gv=+16dB,fO=Variable,Q=2)
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MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
fig.5) Bass Frequency Characteristic (Gv=+16dB,Q=Variable, fO=50Hz)
fig.6) Mid Frequency Characteristic (fO=1kHz,Q=2,Gv=Variable)
fig.7) Mid Frequency Characteristic (Gv=+12dB,Q=2,fO=Variable)
fig.8) Mid Frequency Characteristic (Gv=+12dB,fO=1kHz,Q=Variable)
D-61508-98-C
MITSUBISHI ELECTRIC
(14/22)
MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
fig.9) Treble Frequency Characteristic (Gv=Variable)
fig.10) Treble Frequency Characteristic (Gv=+12dB,fO=Variable)
D-61508-98-C
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MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
ZERO-CROSSING DETECTION CIRCUIT 1. Meaning of Zero-Crossing Detection Circuit
In the conventional Serial Data Control Type Volume, Analog SW inside switches over simultaneously with Latch Condition Detector. And the operation completes.
CLK D32 DATA D33 D34
Latch Conditions
Audio Signal Signal GND(1/2Vcc)
Noise Factor when Signal is present
In this case the changing noise occurs at the time of Latch Condition Detector, the Analog SW switches over (Zero-cross Detector Strobe occurs) in the moment that the Analog Signal cross Signal Ground (1/2VCC).
CLK D32 DATA D33 D34
Latch Conditions Zero-cross Detector Strobe (Form signal from inside IC) Analog SW changing
Signal GND (1/2Vcc)
Other,In the case of Audio Signal isn't inputted (No signal),even if only Zero-cross Detector Circuit detects Latch Condition, Analog SW doesn't switch over for the Audio Signal never cuts Signal Ground (1/2VCC). The Time Function switches the Analog SW after some time T. The Timer Time can setting with the Serial Data of 5mS,10mS,15mS,20mS.
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MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
2. Connection of Zero-Crossing Detector and Timer Setting
"OR" of [Zero-cross Detector Strobe] or [Compulsion SW of Timer Circuit] moves Internal Analog SW . When for example, suppose that it set to T=10msec.
T=10 msec
CLK D32 DATA D33 D34
Latch Conditions
Pattern 1 Zero-cross Detector Strobe (Form signal from inside IC) Audio Signal
SW Changing
Pattern 2 Zero-cross Detector Strobe (Form signal from inside IC) Audio Signal
SW Changing
In case of Pattern1, the Zero-cross Detector Strobe occurs with the Zero-cross Detector Function, and SW is switched. But in case of Pattern2, the Timer Function switches the Analog SW after T=10msec, for the Audio Input Signal didn't cut the Signal Ground after T=10msec which were set with the timer. Timer Setting Time setting for Frequency band of Input Audio Signal.
D-61508-98-C
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MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
3. Timer Setting System
T=10 msec
CLK D34 DATA
Latch Conditions
f=
1 2 T
=
1 =50Hz 2 10msec
Audio Signal
In case of Timer Setting Time/T =10 msec setting
Audio Signal 50Hz < 50Hz > Zero-cross Detector 100% 100% 0% Upper fig. Pattern 1 Pattern 2
T=10 msec
CLK D34 DATA
Latch Conditions
Pattern 1 Audio Signal
f=30Hz
Pattern 2 Audio Signal
f=30Hz
The Timer Setting Time T makes T=20msec (Zero-cross detect of 25Hz is 100%) maximum and it is setting by it.
D-61508-98-C
MITSUBISHI ELECTRIC
( /22) 18
MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
4. Connection of Data Transmission and Timer Setting
M61508FP has the function to make the Serial Data invalid until it generations the Zero-cross Detector Strobe in IC, after the Latch Condition detected.
Timer Setting T Latch Conditions CLK
D0 to D33 D34 D0 to D33 D34
Latch Conditions
DATA
"A"
"B"
Serial Data Transmission Interval IT
Zero-cross Detector Strobe (Form signal from inside IC)
Audio Signal SW Changing for DATA "A"
* In case of upper figurative.The order of DATA "B" is invalid.
In to make the Serial Data Transmission Interval IT from MCU(microcomputer) to M61508FP
Serial Data Transmission Interval=IT > Timer Setting= T
the reading error of the data doesn't occur. Transmission Interval IT =Interval of between Latch Condition * Serial DataCondition and Latch
D-61508-98-C
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( /22) 19
MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
D-61508-98-C
MITSUBISHI ELECTRIC
(20/22)
MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL 2 LOUDNESS GAIN SETTING
Lower Figure is Structure of Loudness Circuit. VIN
10
V1
R VOUT
VOLUME 1 R
LOUDNESS FILTER (Gv=0dB)
V2
R
R
LOUDNESS VOLUME
Output Volutage (VOUT) of Setting Structure of Upper Figure It is noted as Volume1Output Volutage = V1, Loudness Filter Output Voltage = V2, VOUT and Gv (Boost quantity) is given at the lower formula VOUT = V1 + V2 (Vrms) (V1 + V2) VIN
Gv = 20 log
- (Volume 1 attenuation quantity) (dB)
ex.) VIN = 1Vrms/60Hz,Volume1= - 30dB, Output Volutage and Boost Quantity of 60Hz of Loudness Volume = -20dB setting From : Volume1,Loudness Volume attenuation quantity Become : V1 = 31.6mVrms V2 = 100mVrms If the subsitudes the equation for the upper formula, the following equation is given : VOUT = 31.6m + 100m =131.6mVrms Gv = 20 log (31.6m + 100m) 1 = 12.4dB is obtained. In the item,the Loudness Gain Setting example is shown, when Volume1 fixation and doing the Loudness Volume variably. Please refer to Plan. - (-30dB) Frequency (Hz)
Gv Volume 1= -30dB
D-61508-98-C
MITSUBISHI ELECTRIC
(21/22)
MITSUBISHI SOUND PROCESSOR ICs
M61508FP
THE ELECTRIC VOLUME of BUILD-IN NON FADER VOLUME with TONE CONTROL
LOUDNESS GAIN SETTING EXAMPLE 1 Volume1= -10dB
LOUDNESS VOLUME
LOUDNESS GAIN
-2dB -4dB -6dB -8dB -10dB -12dB -14dB -16dB -18dB -20dB -22dB -24dB -26dB -28dB -30dB - dB
10.9dB 9.5dB 8.2dB 7.1dB 6.0dB 5.1dB 4.2dB 3.5dB 2.9dB 2.4dB 1.9dB 1.6dB 1.3dB 1.0dB 0.8dB 0dB
2 Volume1= -20dB
LOUDNESS VOLUME
LOUDNESS GAIN
-2dB -4dB -6dB -8dB -10dB -12dB -14dB -16dB -18dB -20dB -22dB -24dB -26dB -28dB -30dB - dB
19.0dB 17.3dB 15.6dB 13.9dB 12.4dB 10.9dB 9.5dB 8.2dB 7.1dB 6.0dB 5.1dB 4.2dB 3.5dB 2.9dB 2.4dB 0dB
3 Volume 1=-30dB
LOUDNESS VOLUME
LOUDNESS GAIN
-2dB -4dB -6dB -8dB -10dB -12dB -14dB -16dB -18dB -20dB -22dB -24dB -26dB -28dB -30dB - dB
28.3dB 26.4dB 24.5dB 22.7dB 20.8dB 19.0dB 17.3dB 15.6dB 13.9dB 12.4dB 10.9dB 9.5dB 8.2dB 7.1dB 6.0dB 0dB
D-61508-98-C
MITSUBISHI ELECTRIC
(22/22)

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