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The ATR constant voltage(70V/100V) transformers are available in two models suitable for the widest range of application with high-fidelity specifications.
Which will convert the output impedance of any direct coupled power amplifier (Perfectly coupled V6, VS2004) upward downward effectively match the impedance of a wall mount, out door in door loud speaker,horn speaker, and paging horn speakers.

 
SPECIFICATIONS
Model ATR-2400 / ART-4800
Autotransformers  
ATR2400 2 X 200W
ATR4800 4 X 200W
Input(200 Watt)  
Impedance 2 ohm 4ohm 8 ohm    
Input Voltage RMS 20V RMS 28V RMS40V    
Outputs  
Impedance 50 ohm 25 ohm 8 ohm 4 ohm common
Output Voltage 100V 70V 40V 28V OV
Frequency Response 50Hz-18KHz
Rack Space >2U(88mm)
Dimension(W X H X D) mm 483 x 88 x 294
Shipping/CBM 0.0486
Net Weight ATR2400 11.30KG
Net Weight ATR4800 17.78KG
Shipping Weight ATR2400 11.76KG
Shipping Weight ATR4800 18.24KG
*Note:
An amplifier RMS voltage at rated output may also be determined by measuring with an RMS voltmenter or calculated using the following formula.
Where V=RMS voltage In Volts
Z=Amps Rated load Impedance in ohms
P=Power Rating in Watt(RMS)
*Specifications subject to change without notice.
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