Audio equalizer provides a balancing function between the classroom acoustical characteristics and the selected sound system.

• Front Panel Boost and Cut --- for slider controls of frequency bands

• Indicator --- for output control

• Low Cut Switch --- for Bass out

• EQ On & Off Switch --- to be able to bypass equalizer function

• Electronically balanced inputs

• Balanced and Unbalanced Outputs

• Peak Indicator

• Ground Lift Switch --- switch eliminating hum from ground loops by disconnecting circuit chassis

• 31 Bands Stereo

• 31 Bands at Center Frequencies of: 20, 25, 32, 40, 50, 63, 80, 100, 125, 160, 200, 250, 315, 400, 500, 630, 800, 1 kHz, 1.25 kHz, 1.6 kHz, 2 kHz, 2.5 kHz, 3.15 kHz, 4 kHz, 5 kHz, 6.3 kHz, 8 kHz, 10 kHz, 12.5kHz, 16 kHz, 20 kHz
• Input --- balanced at 44 k ohms balanced and 22 k unbalanced, Normal Level 0dB and maximum level + 20 dB
• Output --- balanced 120 ohms, maximum level +20 dB
• Input Impedance --- 600 ohms or higher
• Peak Indicator --- LED (preferably red) +14 dB (6dB before clipping)
• Frequency Response --- 20 Hz to 20kHz @ +-1 dB
• Operation Gain --- 0 dB
• Available Gain --- +-12 dB
• Noise --- less than -100 dB, all bands at 0 dB
• Controls:
  • 31 Center detent slide controls at 1/3 octave center frequencies from 20 Hz to 20 kHz, with +- 12 dB boost or cut
  • Level control with center detent
  • EQ On-Off Switch
  • Ground Lift Switch
• Connectors --- Terminal strip balanced for inputs and outputs
• AC Power --- 120 V, 60 Hz
• Warranty --- three year parts and labor

09/26/00