WARNING
:
TO
REDUCE
RISK
OF
ELECTRIC
SHOCK
.
DO
NOT DISASSEMBLE THIS AMPLIFIER. NO USER SERVICABLE
PART INSIDE.PLEASE CONTACT AUTHORIZED SERVICE
PERSONNAL WHEN NEED MAINTENANCE.
1
.
PLEASE
READ
FIRST
WARNING
:
TO
REDUCE
THE
FIRE
OR
ELECTRIC
SHOCK
DO
NOT
EXPOSE
THIS
APPLIANCE
TO
RAIN
OR
MOISTURE
.
PLEASE
UNPLUG
THE
POWERCORD
IF
YOU
NEED
TO
FULLY
DISCONNECT FROM POWER.
THE
POWERPLUG
MUST
BE
READY
ANYTIME
.
ELECTRICAL
ENERGY
CAN
PREFORM
MANY
USEFUL
FUNCTIONS
.
THIS
UNIT
HAS
BEEN
ENGINEERED
AND
MANUFACTURED
TO
ASSURE
YOUR
PERSONAL
SAFETY
.
IMPROPER
USE
CAN
RESULT
IN
POTENTIAL
ELECTRICAL
SHOCK OR FIRE HAZARDS.
IN
ORDER
NOT
TO
DEFEAT
THE
SAFEGUARDS
,
OBSERVE
THE
FOLLOWING
INSTRUCTIONS
FOR
ITS
INSTALLTION
,
USE
AND
SERVICING
.
1
.
1
IMPORTANT
SAFETY
INFORMATION
READ THIS INSTRUCTIONS
■
■
KEEP THIS INSTRUCTIONS
■
HEED
ALL
WARNINGS
■
FOLLOW
ALL
INSTRUCTIONS
■
DO
NOT
USE
THIS
DEVICE
NEAR
WATER
■
CLEAN
ONLY
WITH
A
DRY
CLOTH
■
DO
NOT
BLOCK
THE
AIRFLOW
■
INSTALL
FOLLOW
THE
USER
MANUAL
DO
NOT
INSTALL
NEAR
A
HEAT
SOURCE
■
THE
EQUIPMENT
SHOULD
BE
CONNECTED
TO
POWER
OUTLETWITHAGROUNDEDPROTEETIVEPOWERGRID
.
■
PROTECT
THE
POWER
CORD
FROM
BEING
WALKED
OR
PINCHED
.
■
■
USE
ONLY
ATTACHMENT
/
ACCESSORIES
SPECIFIED
BY
THE MANUFACTURER.
■
UNPLUG
THE
POWERCORD
DURING
LIGH
TNING
STORMS
OR
WHEN
UNUSED
FOR
LONG
PERIODS
OF
TIME
.
REFER
ALL
SERVICING
TO
QUALIFIED
SERVICE
PERSONNEL
.
SERVICING
IS
REQUIRED
WHEN
THE
APPARATUS
HAS
BEED
DAMAGED
IN
ANY
WAY
,
SUCH
AS
POWERCORD
OR
PLUG
IS
DAMAGED
,
LIQUID
HAS
BEEN
SPILLED
OR
OBJECTS
FALLEN
INTO
THE
APPARATUS
.
THE
APPARATUS
HAS
BEEN
EXPOSEDTO
RAIN
OR
MOISTURE
,
DOES
NOT
OPERATE
NORMALLY
,
OR
HAS
BEED
DROPPED
.,
1
.
2
CERTIFICATION
NOTICE
WE
DECLARE
OUR
DEVICES
ARE
COMFORMITY
WITH
THE
FOLLOWING
DIRECTIVES
AND
/
OR
STANDARDS2004
/
108
/
EC
ELECTROMAGNETIC
COMPATIBILITY
DIRECTIVE
2006
/
95
/
EC
LOW
VOLTAGE
DIRECTIVES
EN
60065
ENVIRONMENT
DIRECTIVE
EN55103
-
1
,
EN55103
-
2
,
EN61000
-
3
-
2
,
EN61000
-
3
-
3
AND
E4
,
E5
ELECTROMAGNETIC
6
.
Protect
Function
Complete
temperature
protection
sampling
.
Monitor
both
PSU
and
amplifier
simultaneously
.
Output
power
will
limit
when
the
temperature
of
the
heatsink
higher
than
limit
value
.
Output
will
cut
off
when
temperature
higher
than
the
protect
value
.
Amplifier
will
restart
when
temperature
return
to
normal
.
All this series amplifiers has output current protection.
Output
current
will
be
limited
when
exceeds
the
allowed
maximum
value
.
When
a
channel
of
a
amplifier
output
current
exceed
the
allowed
maximum
value
(
For
example
,
Short
circuit
).
In
this
case
,
the
amplifier
itself
will
be
disabled
(
mute
)
for
1000ms
.
Amplifier
will
restart
after
the
short
circuit
back
to
normal
.
When
input
voltage
is
higher
than
the
upper
limit
or
lower
than
the
lowest
limit
,
PSU
will
enter
protect
mode
and
cut
off
the
power
supply
.
②
Input
Voltage
Protection
①
Overload
Protection
③
Temperature
Protection
7
.
Typical
Test
Curve
Audio
Precision
01
/
01
/
03
01
:
43
:
13
Color
Sweep
Trace
Line
Style
Thick
Data
Axis
Comment
1
1
Yellow
Solid
1
Anlr
.
Level
A
Left
2
1
Red
Solid
1
Anlr
.
Level
A
Left
3
1
Magenta
Solid
1
Anlr
.
Level
A
Left
F
r
e
q
u
e
n
c
y
r
e
s
p
o
n
s
e
:
4
O
h
m
(
Y
e
l
l
o
w
) ,
8
O
h
m
(
R
e
d
)
a
n
d
op
e
n
l
o
a
d
(
M
a
g
e
n
t
a
).
-
20
+
20
+
0
d
B
r
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
Input
Impedance
Input
Sensitivity
DC
Remain
Operation
Range
Power
Factor
Max
Output
Voltage
/
Current
30K
Ω
Balanced
0
.
775V
90V
-
264V DC
to
200 Hz
>
0
.
95
@ >
500
W
100
Vpeak
/
50Apeak
IEC
CISPR
Pub
.
22
ed
6
.
0
(
2008
-
09
)
CLASS
B
2004
/
108
/
EC
ELECTROMAGNETIC
COMPABILITY
DIRECTIVE
FCC
ELECTROMAGNETIC
RADIATION
DIRECTIVE
15
.
109
IEC
CISPR
Pub
.
22
ed
6
.
0
(
2008
-
09
)
CHAPTER7
.
1
.
1
,
PART15
.
107
Volume
Knob
Signal
Indicator
Power
Switch
Front
Panel
：
Rear
Panel
：
2
.
Front
/
Rear
Panel
Function
Diagram
Speaker
Output
Power
Connector
Signal
Input
3
.
Product
Briefing
UPDM
(
Unipolar
Pulse
Density
Modulation
)
amplifier
is
the
latest
generation
ultra
low
power
less
power
amplifier
scheme
.
Durable
1RU
chassis
.
4
.
Product
Highlights
90
-
264VAC
Global
Power
Supply
Purifying
Ground
and
Singal
Source
Noise
Direct
Energy
Amplifying
Constant
Zero
Distortion
Power
Control
Dual
Reactor
Phase
Shift
Control
Dynamic
Energy
Recycling
Overheat
and
Clip
Soft
Protection
5
.
Specifications
Power
Total Harmonic Distortion
Siganl to Noise Ratle
Freq
.
Response
112dB
(
A
-
weighting
)
20
Hz
-
20
kHz
+/-
0
.
25dB
Damping
Factor
>
1000
Controlled Slew Rate
>50V
/
us
<0.005%
Signal
Input
1800
W
@
2
.
5
Ω
X4
LINK
LINK
Speaker
Output
LINK
Output
LINK
Output
VOLUME3
VOLUME4
VOLUME2
VOLUME1
0dB
-36
ON
0dB
-36
ON
