Specification Sheet

3
Energy-Efficient, Multi-Function 240-Watt Mixing Amplifier with Dual 70/100 V and 4 Ohms Outputs
MA6480A
Audio Inputs
Mic / Line inputs 1 & 2
• Type 2 x XLR / ¼" TRS combo jacks
1 x 4-pin Euroblock in parallel and
1 x 3-pin Euroblock in parallel
• Impedance Mic: -50 dBV, 600 Ω
Line: 0 dBV, 600 Ω
Electronically balanced
Phantom power 24 VDC, switchable Inputs 1– 2
Audio Outputs
Amplier output 1 x 4-pin female Euroblock
• LO-Z 2 terminals @ 4 Ω
• HI-Z 2 terminals @ 70 V / 100 V, switchable
• Output regulation < 2 dB, no load to full load
Amplier
Amplier channels LO-Z: 1 x 4 Ω, minimum
HI-Z: 1 x 70 / 100 V, switchable
Power output LO-Z 240 W RMS @ 4 Ω
1% THD, 1 kHz sine wave
• Min. impedance 4 Ω
Power output HI-Z 240 W RMS @ 70 V
1% THD, 1 kHz sine wave 240 W RMS @ 100 V
• Min. impedance 20 Ω @ 70 V
42 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: ±15 dB at 20 Hz - 800 Hz,
Mid: ±15 dB at 700 Hz - 7 kHz,
High: ±15 dB at 5 kHz - 20 kHz,
Q: 0.5 to 5
Control Connections
Remote 1 x 5-pin Euroblock connector
• Common -5 VDC, 100 mA current,
short-circuit protected
• Remote power +5 VDC, 100 mA current limited,
short-circuit protected
• RVC 10 kΩ linear-taper potentiometer
• Unit power on/o +5 VDC voltage make contact input,
no open voltage
• Mute No-voltage make contact input;
open voltage 5 VDC
Short circuit: < 10 mA
Input 1
• Control No-voltage make contact input;
open voltage 5 VDC
Short circuit: < 10 mA
Indicators
• Power LED ring illumination (Yellow)
• Overload / protection LED ring indication (Red)
• Output level LED VU output meter
(Yellow and Red while clipping)
Power Supply (Fuses)
• Mains voltage Switchable, 100-120 / 220-240 VAC
60/50 Hz
• Fuse T 6.3 AH 250 V / T 3.15 AH 250V
• Power eciency 77% max.
• Power consumption 39 W @ idle
120 W @ 1/8 power
240 W @ 1/3 power
620 W @ full power
• Mains connector Standard IEC receptacle
Dimensions / Weight
• Dimensions (H x W x D) 3.5 x 17 x 16" / 88 x 432 x 406 mm
• Weight 12.8 lbs / 5.8 kg
Technical Specications