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VP-120D VP-240D VP-420D ATR-2400 ATR-4800    
   VP-120D
 
 
 
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The VP-D series are designed to meet the specialized needs of sound contractors. The main voltages can be used DC 24V or AC 110V-240V. Products provide direct 70V/100V capability ranging from 120Watt, 240Watt and 420Watt for distribute audio systems with high thermal capacity and proven reliability.
The VP-D series also provide low-impedance outputs 4 ohm and 8 ohm for maximum flexibility. Amplifiers provide protection by short circuit and open circuit proof and thermal sensing circuit, protect against over temperature.
Has excellent soft start for suppresses unpleasant switch on noise, the power ON/OFF controlled by main power switch and also available by remote control terminal on the rear panel.

    FEATURES
  • Inputs are balanced XLR jacks and screw type connectors
  • Through link male XLR jack for daisy-chain Input system
  • Adjustable gain control by semi fixed controlled attenuator
  • 400Hz High pass filter for reduces internal resonances and more increases sound quality
  • Speed control Fan cooling
  • Logical LED meters are present for power in/output level for -20, -10,0,and Clipping
  • Built-in High Fidelity 100V audio transformer
  • Available power on and off by remote control switch terminal
  • Two way Mains power for DC 24V or AC 110V-240V
 
SPECIFICATIONS
Model VP-120D
Stereo Mode (both channel driven) Continuous Average Output Per Channel
FTC @ THD+N=0.1%, f=68Hz~18kHz  
4, 8 ohm/ 70V,100V 120W
EIA @ THD+N=1%, f=1kHz  
100V TAP 124W
Power Bandwidth  
(Ref. Full POWER, THD+N=0.1%,+1/-3dB) 72Hz~17kHz
THD+N ¡Â 0.1%
(Ref. 1kHz,f=20Hz~20kHz)  
Frequency Response 68Hz~18kHz
(Ref. 1kHz, 1watt output, +0/-1dB)  
IMD(SMPTE4:1)  
(60Hz:7kHz, 4:1 Half power)  
100V TAP ¡Â0.1%
Crosstalk ¡Ã70dB, 1 kHz
(RL=8¥Ø TAP, Half power, Att.Max 600¥Ø shunt)  
Residual Noise ¡Ã70dB
(20Hz~22kHz LPF,Att.min)  
S/N Ratio ¡Ã96dB
(Filter:A-Weighting, RMS)  
Damping Factor ¡Ã350
(RL=8ΩTAP, f=1kHz)  
Input Sensitivity(Att.max) 1V / 10Kohm,Balanced
HPF 400Hz
Input Impedance 10kΩ(Balance)
Controls  
Front panel AC Switch Level Meter, Gain control DC/AC Power Indicator
Rear panel Remote Switch by Screw Terminal. HPF Switch. GND Float Switch
Connectors  
Input Female XLR Jack
Output 2 Block Terminal (Input Through). XLR Male Jack (Input Through) 5 Block Screw Terminal (4, 8 ohms, 70V/100V)
Indicators AC Power(Amber), DC Power (Green), Protect (Red), Signal Level Indicator
Protection Circuits 1)Short Circuits
2)Current Limit
3)DC detection
4)Thermal
5)Turn On/Off muting
6)DC FUSE
7)AC Line fuse
Fan Circuit Fans Variable low speed (50¡É), High speed (60¡É)
Rated Power Source 100-120Vac/220-240Vac(Local Option) , DC +24V
Power Consumption 80 Watts
Dimension 483mm x 88mm x 300mm
Shipping Weight & Volume 13.00kg / 0.0418cbm
*0dB=0.775V
*Specifications subject to change without notice.

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