REDBACK A4420C 8 Channel Public Address PA Mixer

Overview

This 8 channel mixer incorporates a variety of practical features ensuring suitability for a wide scope of PA?and sound reinforcement applications. Features include: selectable phantom power for electret/condenser type microphones on each input, optional VOX muting of line programs, bass and treble controls (microphone channels can be routed through tone controls or bypassed as desired), individual level controls together with master level control. A 600?/0dBm XLR balanced line output is provided, enabling connection to a maximum of 16 power amplifiers.

• 6 microphone and 2 line inputs
• All mic inputs are 3 pin XLR balanced
• Line inputs via twin RCA sockets
• Separate bass and treble tone controls
• Individual input and master volume controls
• Optional VOX muting of line inputs
• Optional phantom power for each mic input
• Microphone bass cut internally selectable
• Mic inputs routed via tone controls or bypassed
• 24VDC input

Auxiliary

• No. of Channels: 2
• Sensitivity (master full): 260mV
• Signal to Noise Ratio: better than 76dB
• Frequency Response (±3dB): 60Hz - 20kHz
• Input Impedance: 100k Ohm
• Muting Level: -50dB
• Mode: Unbalanced
• Connector Type: Stereo RCA

 Tone Control 

• Bass Control: ±9dB at 80Hz
• Treble Control: ±10dB at 10kHz

Bass Cut Switch on Microphone

• Switch “ON”: -6dB/Octave from 150Hz

Phantom Power

• Voltage: 12V
• Output Impedance: 3.4k ohm

Microphone

• No. of Channels: 6
• Sensitivity (master full): 1.2mV
• Signal to Noise Ratio: better than 71dB
• Frequency Response (±3dB): 60Hz to 20kHz
• Input Impedance: 600 Ohm
• Mic Impedance: 200 - 600 Ohm nominal
• Mode: Balanced
• Connector Type: 3 Pin XLR Female

Output

• Signal to Noise Ratio :
• (all controls mid way) -85dB, ref 0dBm
• (all controls maximum) -58dB, ref 0dBm
• Impedance: 600 Ohms
• Distortion: Less than 0.06%
• Max Output Level: +19dBm
• Mode: Balanced
• Connector Type: 3 Pin XLR Male
• Specifications subject to change without notice
•