(220V/50Hz)
10A: D H 500 /D H 700 /D H 900 A A A
15A: D H 1200/D H 1400 /D H 1800 A A A
TPC
Automatic
c
c
c
0
20
10
c
c
c
c
40
30
60
50
At 75 C°
60
c
c
c
80
70
90
C
80
C
90
Out put the signal
C
4
2.3 AC power requirements
This series of power amplifier is equipped with suitable power
cable and plug.If possible, use the special wire power outlet. Make
sure that the correct voltage and current are available. Don't be in
use the power amplifier below 10% of the rated voltage.
connect the machine to the correct power supply. Use of the
three core power supply cord we provide.
Note:
3 operation
Although the power amplifier is protected against external errors,
the following preventive measures are recommended:
1 stereo, bridge - Mono operation mode has important differences.
Please refer to section 2.
2 only in the case of the shutdown, the STEREO/
BRIDGE switch can be adjusted
determine the correct setting for the STEREO/BRIDGE
switch. Reference 2.1, 2.2 section.
3 cable, select the signal source, adjust the output of the electric
usually careful operation.
4 the cable output cable can not connect to the signal input ground.
Otherwise cause earth loop, as well as Oscillating.
5 supply power supply voltage of the power amplifier can not
exceed 10% of the upper and lower limits, and can only work at
rated frequency.
6 don't connect the output to the power output, battery and power
source. Otherwise cause electric shocks.
7 the unauthorized modification of the circuit or the unauthorized
modification of the circuit may cause danger,and make the
warranty liability invalid. The company will not responsible for
the damaged cause excessive driver for other systems
3.1 prevention
warning:
Note:
3.2 power indicator
3.3 signal protection circuit
When the green power indicator is on, it indicates that the power
amplifier is open, and the low voltage supply can make showing
light.
When the input and output signal flow deviate greatly, the
internal signal pressure limit protection circuit automatically
reduce gain, to prevent the internal
nonlinearity of the amplifier due to over excitation, overload, or
error. and to keep the signal waveform is not changed under any
conditions. The circuit keeps the distortion of the signal current
below 0.5%, thus ensuring a clear sound and effective speaker
protection.
4 technical specifications
Without special provisions, all the power amplifier specifications
are in the following settings: stereo mode type, 8 ,38.5db input
sensitivity.Power specifications
Output power: the following specifications can be guaranteed at
least the power of the standard 1kHz.
Channel 1
Ω
Level control
Level control
Channel 2
Front panel level control
The following diagram shows the action of the
heat management system:
Radiator temperature
Thermal protection circuit (TPC)
Mute
Activate TPC
limits
Fan speed
Minimum fan speed,
TPC normal
Fan speed
Load impedance: all kinds of load can be used.
Stereo mode 4 8 ;
Bridge Mono: 8 .
： -
-
Ω
Ω
AC power supply: the back plate of each machine provides
current, frequency and voltage requirements
Idle power consumption: ≥90W.
The maximum current
Control
Power:
Level:
Stereo / mono:
Input interface:
Input impedance:
Output:
Output impedance:
DC output offset:
front panel rocker switch to open the power amplifier.
the front panel of each knob potentiometer output level
control.
front panel switch selects stereo, bridge - mono.
Input / output data
balanced XLR connection.
balanced 20K ohms, non - balanced 10 K ohms.
2 way connecting terminal with two sets of different
color markers and two sets of waterproof speaker deck Interface.
with H connection < 10m.
100 mV.
２μ
Signal output mode
Protection
Stereo:
Bridge - Mono:
Open:
balanced, two channels.
balance, single channel. Use channel 1; two
level indicator can be used.
This series of power amplifier provides short circuit, do not
match the load, power source, temperature is too high, input
overload and high frequency amplification protection. Damage
speaker input and output DC protection. Open /Off transient
protection.
If the working condition is excessive, especially the temperature
increases, the circuit limits the driving level,Protective output
transistor. Built in temperature control switch protect output
device overload.If the transformer is over heat, the heat switch
is cut off and the power is cooled to the safe temperature,
Automatic reset.
3 seconds without the danger of transient.
of the series is:
Structure
Durable steel chassis black handle, Ventilation structure of front
panel to rear panel.
built in heat sink, two 80mm high speed and low noise
automatic speed adjustment fan, forced ventilation, fast uniform
drive to heat.
Cooling:
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