MA1400
High performance power amplifier
features
!Superior sonic performance!Increased output current capacity!Versatile input connections!Removable dust filters!Advanced protection circuits!Multiple gain selection!Soft Start
applications
!Live sound reinforcement!Fixed installations
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.
overall dimensions
electronics
technical specifications
MAX OUTPUT POWER |
|
EIA AT 1 kHz AND 1% THD |
|
8 PER CHANNEL | 425 W |
4 PER CHANNEL | 700 W |
2 PER CHANNEL | 1050 W |
8 BRIDGED | 1400 W |
4 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 | 0.01% |
DIM AT | 0.008% |
HUM AND NOISE | |
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 |
INDICATORS: PROTECT | Yellow LED |
INDICATORS: CLIP | Red LED |
INDICATORS: SIGNAL PRESENT | Green LED |
REAR PANEL |
|
INPUT CONNECTORS | Neutrik Combo + 3 pin Phoenix |
CLIP LIMITERS | On/off each channel |
POWER |
|
OPERATION VOLTAGE | |
SOFT START | Yes |
PEAK INRUSH CURRENT | 20 A |
FULL OUTPUT POWER | 230 V |
MIN START VOLTAGE | 180 V |
115V OPTION | Yes |
CURRENT DRAW AT 4Ω/230V |
|
QUIESCENT POWER (NO LOAD) | 0.75 A rms |
1/8 OF FULL POWER | 5.2 A |
1/3 OF FULL POWER | 8.0 A |
AT FULL POWER (0dB) @ 1kHz 1%THD | 14.0 A |
DIMENSIONS |
|
WIDTH | 483mm (19ins) |
HEIGHT | 88mm (3.5ins) 2U |
DEPTH (incl. handles) | 359mm (14.1ins) |
WEIGHT | 17kg (37lbs) |
Century Point, Halifax Road, Cressex Business Park,
High Wycombe, Buckinghamshire HP12 3SL, England.
Telephone: +44 (0)1494 535312 Facsimile: +44 (0)1494 438669
All information is Copyright © 2003 Martin Audio Ltd.
