Introduction
CMA1202
Amplificateur de mixage commercial 2 x 120 Watt offre la solution parfaite pour les applications commerciales et industrielles nécessitant un son distribué de grande qualité, associé à la conservation de l’énergie et à la réduction des coûts d’exploitation. Capable de délivrer un son de haute qualité sur des configurations de haut–parleurs Low–Z (4/8 Ohm) et High–Z (70/100 V) offrant une flexibilité extrême sur chaque canal. Le CMA1202 est facile à installer et à utiliser – même pour le personnel non technique. En résumé, le CMA1202 est idéal pour les bars & restaurants, les destinations de vente au détail, les hôtels, les entreprises, l’éducation ou d’autres lieux nécessitant de la musique d’ambiance et/ou un système de sonorisation.
Features
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2 x 120 Watt mixer amplifier for commercial and industrial applications
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Low–Z (4/8 Ohm) and High–Z (70/100 V) operation per output with switchable high–pass filter
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8 mic/line inputs with individual volume controls and output routing
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Individual front panel master volume and bass/treble controls for each output
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Configurable priority muting function for background music override
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Direct drive, constant power technology for superior audio performance and reliability
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GPI remote volume control using standard RJ–45 connector and Ethernet cable
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Auto Ramp circuitry for quiet and fast power up/down enables real–world energy savings
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Front panel power control button for direct access
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Aux outputs for expansion to additional amplifiers
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Boîtier rackable 1U, 19″ avec supports pour montage en rack
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Euroblock type mic/line input and output connectors
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Convection–cooled, fan–less amplifier technology for low noise
Technical sheet
Specification
Maximum Output Power
| 4 or 8 Ω per channel |
120 W |
Number of amplifier channels
| Number |
2 |
Minimun Load Impedance
| 4 Ω mode |
4 Ω |
| 8 Ω mode |
8 Ω |
| 70 V output mode |
41 Ω |
| 100 V output mode |
82 Ω |
Audio Outputs
| Amplifier output |
4–pin Euroblock connector |
| Aux output |
2 x 3–pin Euroblock connector |
| Aux output max level |
4.88 V (16 dBu) |
Audio Inputs
| Mic/Line with priority/ ducking input |
2 x 5–pin Euroblock connector (channel A, E) |
| Mic/Line with summed RCA |
6 x 3–pin Euroblock connector, 6 x stereo RCA (channel B, C, D, F, G, H) 3 |
| Impedance |
Balanced mic/line: 20 kΩ Unbalanced line and RCA: 10 kΩ |
| Input sensitivity for max amplifier output or nominal (+4 dBu) aux output level |
Mic: 0.038 V (–26 dBu) Balanced: 1.23 V (+4 dBu) RCA: 0.62 V (–2 dBu) each for mono sum RCA |
| Maximum input level |
4.88 V (+16 dBu) |
| Microphone phantom power |
48 V |
Controls
| Front |
Power standby button, input and output gain control, tone controls – bass and treble |
| Rear |
Load config – (4 Ω/8 Ω/70 V/100 V), switchable 80 Hz high–pass filter, mic/line switch, vox/ducking threshold control, phantom power, input routing (2–channel models only) |
Tone Controls
| Bass |
±10 dB @ 100 Hz |
| Treble |
±10 dB @ 10 kHz |
Indicators
| Power |
On (blue), force standby (red), standby (yellow) |
| Inputs |
Signal (green LED) : >12.3 mV (–36 dBu) Fault (red LED) : Clip |
| Master |
Signal (green LED) : >–50 dBu Fault (red LED) : Surchauffe, défaut DC, surintensité, etc Limit (red LED) : Limite de sortie |
System
| Output circuit type |
Class D |
| Remote connector |
2 x RJ45 Ethernet connector |
Performance
| Distortion, 1/8 rated power |
<0.05% |
| Frequency Response |
20 Hz to 20 kHz, +0.5/–1 dB |
| Crosstalk (2 channel models) |
>70 dB |
| Signal–to–noise |
>97 dBA |
| High–pass filter |
80 Hz HPF |
Circuit Protection
| Cooling |
Convection–cooled, fanless |
| Amplifier protection |
Thermal protection, over current protection, DC protection, high frequency protection |
| Load protection |
Controlled start and shutdown behaviour, DC–fault protection |
Power Supply, Voltage (Fuse)
| Main voltage |
100–240 V~, 50/60 Hz with active power factor correction |
| Fuse |
T 6.3 A H 250 V |
| Power consumption 1/8th rated power@ 4 Ω |
70 W |
| Mains connector |
Standard IEC connector |
Dimensions/Weight
| Dimensions (H x W x D) |
44 x 437 x 248 mm (1.7 x 17.2 x 9.8″) |
| Weight |
3.6 kg (7.9 lbs) |
| Finish |
Brushed black anodized aluminum chassis with black painted steel bottom |
