(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