Product Specifications
| Prod Model: |
MA4.2S |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Frequency Response(1W 8ohms): |
20Hz-20kHz(±3dB) |
| Balance Input: |
20kohms |
| Unbalanced Input: |
10kohms |
| (Size) (W×h×d): |
482×88×460mm |
| Output Circuit Type: |
H Class |
| Type: |
Professional Amplifier |
| Tube Type: |
Transistor Amplifier |
| Output Number: |
8 |
| Voltage: |
AC 220V |
| Conductive Mode: |
AB |
| Usage: |
Professional Preformence |
| Used For: |
Professional Preformence |
| Function: |
Professional Preformence |
| Sound Channel: |
Professional Preformence |
| Element Number: |
Professional Preformence |
Product Description
Martin Ma4.2s Style Professional Audio Amplifier
Martin style ma4.2s professional amplifier
Light weight, high performance power amplifier
The MA4.2s is one of a range of power amplifiers that have been designed to combine reliability and high power with sonic excellence. Utilising an advanced switch mode power supply, the amplifier is characterised by a very high power-to-weight ratio in a lightweight, 2U package. The innovative technology at the heart of the MA4.2s enables it to set new standards in terms of sonic accuracy, impact and clarity.
Features--Switch mode power supply
--Superior sonic performance
--Light weight
--Advanced protection circuits
--Efficient copper cooling system
--Minimum load switches (mls? )
Applications--Live sound reinforcement
--Fixed installations
| MA4.2s TECHNICAL SPECIFICATIONS |
| MAX OUTPUT POWER |
| EIA AT 1kHz AND 1% THD |
| MLS in 0dB position |
| 8 PER CHANNEL | 1300 W |
| 4 PER CHANNEL | 2300 W |
| 2 PER CHANNEL | 2900 W |
| 8 BRIDGED | 4600 W |
| 4 BRIDGED | 5800 W |
| MAX OUTPUT VOLTAGE |
| 8Ω LOAD | 102 Vrms |
| PEAK VOLTAGE, NO LOAD | 145 V |
| DISTORTION |
| THD 20Hz – 20kHz AND I W TO FULL POWER | 0.1% |
| THD AT 1kHz AND –1dB UNDER CLIP | 0.04% |
| DIM AT –3dB UNDER CLIP | 0.04% |
| HUM AND NOISE | <-105dB |
| CHANNEL SEPARATION @ 10kHz | 80dB |
| OUTPUT IMPEDANCE | 60 mΩ |
| SLEW RATE | 20 V/µs |
| INPUT |
| GAIN SELECTABLE (dB) | 20, 23, 26, 29, 32, 35, 38, 41 |
| IMPEDANCE | 10 kΩ |
| COMMON MODE REJECTION | 50dB |
| FRONT PANEL |
| GAIN CONTROLS | 31 position detent |
| INDICATORS: PROTECT | Yellow LED |
| INDICATORS: CLIP | Red LED |
| INDICATORS: SIGNAL PRESENT (-40dB) | Green LED |
| REAR PANEL |
| INPUT CONNECTORS | Neutrik Combo |
| LINK CONNECTORS | XLR-Male |
| CLIP LIMITERS | On/off each channel |
| MLS SWITCH | 0, -2, -4, -5dB |
| LINK - SWITCH | CH. A-B |
| POWER |
| OPERATION VOLTAGE | 130-270V |
| SOFT START | Yes |
| PEAK INRUSH CURRENT | 5 A |
| FULL OUTPUT POWER | 180 - 260 V |
| MIN START VOLTAGE | 175 V |
| 115V OPTION | Yes |
| CURRENT DRAW AT 4Ω/230V |
| QUIESCENT POWER (NO LOAD) | 0.6 A rms |
| 1/8 OF FULL POWER (-9dB) | 6 A rms |
| 1/3 OF FULL POWER (-5dB) | 14 A rms |
| AT FULL POWER (0dB) @ 1kHz 1%THD | 26 A rms |
| DIMENSIONS |
| WIDTH | 483mm (19ins) |
| HEIGHT | 88mm (3.5ins) 2U |
| DEPTH (incl. handles) | 393mm (15.5ins) |
| WEIGHT | 10kg (22lbs) |
Guangzhou Skytone Audio Co., Limited, was founded in 2004. Our office is located in the beautiful, bustling Guangzhou City, in Yilong Industrial Zone, Baiyun District, near Baiyun Lake.
We are specialized in professional loudspeakers, karaoke speakers, amplifiers and other audio peripheral such as microphone, mixer, equalizer, compressor, ect.
Our company gains a good reputation with good management mechanism, advanced technology, strong force of R&D, excellent quality and perfect after-sales services. There are many departments in our company including R&D, engineering, production, marketing, after-sales services and personnel.
To meet market developments and customers' needs, our company will continue to improve the product structure, operational management, as well as comprehensive quality of the staff. With brand-new products, vigorous power and stable paces, we will work hand-in-hand with customers home and abroad to create brilliant future!
