DSPPA WH712A

WH-712 override volume controller is a high-power volume controller with a 24V override function for audio conferencing system.

Features

• With override function, fire fighting linkage.
• The power of the volume controller is 120W.
• 5 gear volume adjustment.

General Specifications

• Model:  WH-712
• Type:  Five Gear Volume Control
• Rated Power:  120W
• Override Signal:  24V DC 10mA
• Gear Output (Input 1KHZ/100V,Load=82Ω,distortion degree<1%):
  • STEP:     0V（off）
  • STEP 1:   13(±2)V
  • STEP 2:  26(±2)V
  • STEP 3:   51(±2)V
  • STEP 4:   100V
• Gear Freq. Response (normal operating conditions ( -3DB)):
  • STEP 1:  70Hz～18kHz
  • STEP 2:  70Hz～18kHz
  • STEP 3:  70Hz～18kHz
• Input DC24V override signal output (position switch can be placed at any location):  100V（Input 1KHZ/100V,Load=82Ω,distortion<1%）