Martin Audio MA1400 Amplifier
Made by Lab.Gruppen
The MA1400 is one of a versatile range of professional power amplifiers designed to meet the increasing demands of both the rental and installation markets whilst remaining cost efficient.
By harnessing a conventional toroidal transformer power supply with the latest semiconductor technology and a proprietary copper cooling system the MA1400 amplifier offers outstanding sonic performance, power and reliability in a shallow (359mm) 2U package.
Features :
- Superior sonic performance
- Increased output current capacity
- Versatile input connections
- Removable dust filters
- Advanced protection circuits
- Multiple gain selection
- Soft Start
Specifications :
- Max Output Power (EIA at 1 kHz and 1% THD) :
- 8Ω per channel : 425 W
- 4Ω per channel : 700 W
- 2Ω per channel : 1050 W
- 8Ω bridged : 1400 W
- 4Ω bridged : 2100 W
- Max output voltage 8Ω load : 58 Vrms
- Peak voltage, no load : 91 V
- Distortion :
- THD 20Hz – 20kHz and 1 W to full power : 0.07%
- THD at 1kHz and –1dB under clip : 0.01%
- DIM at –3dB under clip : 0.008%
- Hum and noise : <-105dB
- Channel separation @ 10kHz : 70dB
- Output impedance : 30 mΩ
- Slew rate : 45 V/µs
- Inputs :
- Gain selectable (dB) : 20, 23, 26, 29, 32, 35, 38, 41
- Impedance 20 kΩ (balanced) 10 kΩ single ended
- Common mode rejection : 50dB
- Front panel gain controls : 31 position detent
- Rear panel :
- Input connectors : Neutrik Combo + 3 pin Phoenix
- Clip limiters : On/off each channel