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Figure 4.9 - Mode IV: Power Stereo amplifier
HiFi
Pro
Mode
Int
Amp
Power
Amp
L
R
M
Speaker CableSpeaker Cable
Interconnect Cable
Power
On
Off
Sync
Balanced
Input
Designed andEngineeredin GreatBritain
DualMonoAmplifier AM77
-
+
+
_
_
90V 135V
190V
260V
～
AC IN
Speaker
Output
Speaker
Output
LR
IR Link
L
R
1
5
4
3
2
Inputs
No UserServiceable ComponentsInside.
,
.
.
For servicecontact your Authorised
Dealer orDistributorAny modifications to
this equipmentwill void all warranties
CAUTION ATTENTION
RISK OFELECTRIC SHOCK
DONOT OPEN
RISQUEDE CHOCELECTRIQUE
NEPAS OUVRIR
!
,
() .
.
Under normaloperation set allswitches to
the default position Pleaserefer to
the instructionmanual for further details
bold
HiFi
Pro
Mode
Int
Amp
Power
Amp
-
Option
SERIAL
N
O.
L
R
M
M
In
Out
Interconnect Cable
AM 77-
AM 77-
HF
LF
Designed and Engineered inGreat Britain
LS 77 ProfessionalMonitor
-
Sensitivity:
Frequency Response:
Peak ProgHanding:.
ContPower Handing. :
Impedance:
87dB
8Ohms
150W
600W
()see graph
100 1000 10000
Frequency Hz()
Frequency Hz()
50
60
70
80
90
100
Output dB()
Output dB()
HF
Level Adjustment
Resistor
Speaker LSpeaker R
HF
LF
Designed and Engineered inGreat Britain
LS 77 ProfessionalMonitor
-
Sensitivity:
Frequency Response:
Peak ProgHanding:.
ContPower Handing. :
Impedance:
87dB
8Ohms
150W
600W
()see graph
IN OUT
100 1000 10000
Frequency Hz()
Frequency Hz()
50
60
70
80
90
100
O
utput dB()
O
utput dB()
HF
Level Adjustment
Resistor
IN OUT
Pre-amplifier
Analog
Outputs
Analog
Outputs
R
L
Pre-amplifier
M
M
M