
3
Energy-Efficient, Multi-Function 80-Watt Mixing Amplifier with Dual 70/100 V and 4 Ohms Outputs
MA4008
Audio Inputs
Mic / Line inputs 1 & 2
• Type 2 x XLR / ¼" TRS combo jacks
2 x 4-pin Euroblock in parallel
• Impedance Mic: -50 to 0 dBV, 600 Ω
Line: -27 to 0 dBV, 600 Ω
Electronically balanced
Mic / Line inputs 3 & 4
• Type 2 x XLR / ¼" TRS combo jacks
2 x 3-pin Euroblock in parallel
• Impedance Mic: -50 to 0 dBV, 600 Ω
Line: -27 to 0 dBV, 600 Ω
Electronically balanced
Inputs 5 - 8
• Type 4 x 3-pin Euroblock,
electronically balanced
• Impedance Mic: -50 to 0 dBV, 600 Ω
Line: -27 to 0 dBV, 600 Ω
Auxiliary
• Type 4 x RCA stereo summed
• Impedance -10 dBV, 10 kΩ, unbalanced
Tel / Page input 1 x 4-pin Euroblock
• Impedance Mic: -50 to 0 dBV, 600 Ω
Line: -27 to 0 dBV, 600 Ω
Power amp input 1 x dual RCA jack
• Impedance 0 dBV, 600 Ω, unbalanced
Phantom power 24 VDC, switchable Inputs 1–8
and Tel/Page
Audio Outputs
Amplier output 1 x 4-pin female Euroblock
• LO-Z 2 terminals @ 8 Ω
• HI-Z 2 terminals @ 70 V / 100 V, switchable
• Output regulation < 2 dB, no load to full load
Preamp output 1 x dual RCA jack
• Impedance 0 dBV, 600 Ω, unbalanced
Z2 / Mon output 1 x dual RCA jack
• Impedance 0 dBV, 600 Ω, unbalanced
Record output 1 x dual RCA jack
• Impedance 0 dBV, 600 Ω, unbalanced
Amplier
• Amplier channels LO-Z: 1 x 4 Ω, minimum
HI-Z: 1 x 70 / 100 V, switchable
• Power output LO-Z 80 W RMS @ 8 Ω
1% THD, 1 kHz sine wave
• Min. impedance -
• Power output HI-Z 80 W RMS @ 70 V
1% THD, 1 kHz sine wave 80 W RMS @ 100V
• Min. impedance 62 Ω @ 70 V
125 Ω @ 100 V
System Information
• Dynamic range Mic: 65 dB
Line: 80 dB
• THD + N 0.5% @ 1 kHz, rated output
• Frequency response 50 Hz - 18 kHz, ±2 dB
• Tone controls Low: ±12 dB @ 100 Hz
High: ±12 dB @ 10 kHz
Control Connections
Remote 1 x 5-pin Euroblock connector
• Volume 10 kΩ linear-taper potentiometer
• Power +5 VDC voltage make contact input;
no open voltage
• Mute No-voltage make contact input;
open voltage 5 VDC
Short circuit: < 10 mA
• DC Power +5 VDC, 100 mA Current limited,
short-circuit protected
Tel / Page 1 x 4-pin Euroblock, 1 terminal
• Mute No-voltage make contact input;
open voltage 24 VDC
Short circuit: < 10 mA
Inputs 1 & 2 2 x 4-pin Euroblock,
1 terminal each
• Mute No-voltage make contact input;
open voltage 24 VDC
Short circuit: < 10 mA
Technical Specications
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