(A225) Occasion MA1400 – professional 2-channel power amplifier

MA1400 Power Amplifier Martin Audio

This device comes from our rental fleet. It has been tested and works perfectly.

The MA1400 is a professional power amplifier from a versatile amplifier series for the rental and installation sector. It has been designed to meet increasing demands for power, sound and reliability while remaining cost-effective.

Combining a conventional toroidal transformer power supply, the latest semiconductor technology and a proprietary copper cooling system, the MA1400 delivers high output power with excellent sound quality and operational reliability – in a slim 2U housing (359 mm deep).

Features:

• Outstanding sound performance
• Increased output current capacity
• Versatile input connections
• Removable dust filters
• Advanced protection circuits
• Multiple gain/amplification selection
• Soft start

Technical data:

Maximum output power (EIA, 1 kHz, 1% THD):

• 8 Ω per channel: 425 W
• 4 Ω per channel: 700 W
• 2 Ω per channel: 1050 W
• 8 Ω bridged: 1400 W
• 4 Ω bridged: 2100 W

Output voltage:

• Max. output voltage at 8 Ω load: 58 Vrms
• Peak voltage (no load): 91 V

Distortion and noise:

• THD 20 Hz – 20 kHz, 1 W to full power: 0.07%
• THD at 1 kHz, –1 dB below clip: 0.01%
• DIM at –3 dB below clip: 0.008%
• Hum and noise: < –105 dB
• Channel separation at 10 kHz: 70 dB

Output / Dynamics

• Output impedance: 30 mΩ
• Slew rate: 45 V/µS

Inputs / Gain

• Selectable gain (dB): 20, 23, 26, 29, 32, 35, 38, 41
• Input impedance: 20 kΩ (balanced), 10 kΩ (unbalanced)
• Common mode rejection (CMR): 50 dB

Operation and connections:

Front: Gain control: 31 steps, detented
Rear: Input connections: Neutrik combo + 3-pin Phoenix, clip limiter: On/Off per channel