CMA1201 Commercial Mixer Amplifier 120W 100V Half Rack

Product Features

• 120 Watt mixer amplifier for commercial and industrial applications
• Low-Z (4/8 Ohm) and High-Z (70/100 V) operation with switchable high-pass filter
• 4 mic/line inputs with individual volume controls
• Energy efficient design conserves energy and reduces
• Individual front panel master volume and bass/treble controls
• Configurable priority muting function for background music override
• Direct drive, constant power technology for superior audio performance and reliability
• GPI remote volume control using standard RJ-45 connector and Ethernet cable
• Auto Ramp circuitry for quiet and fast power up/down enables real-world energy savings
• Front panel power control button for direct access
• Aux output for expansion to additional amplifiers
• Rack-mountable 1U, half-rack width enclosure with joining brackets for rack, table and wall mounting
• Euroblock type mic/line input and output connectors
• Convection-cooled, fan-less amplifier technology for low noise

Product Specifications

Maximum Output Power

• 4 or 8 Ω per channel:  120 W

Number of Amplifier Channels

• Number:  1

Minimum 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:  2-pin Euroblock connector, stereo
• Aux output:  3-pin Euroblock connector
• Aux output max level:  4.88 V (16 dBu)

Audio Inputs

• Mic/Line with priority/ ducking input:  1 x 5-pin Euroblock connector (channel A)
• Mic/Line with summed RCA:  3 x 3-pin Euroblock connector, 3 x stereo RCA (channel B, C, D)
• 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):  Overheat, DC fault, over current, etc
  • Limit (red LED):  Output limit

System

• Output circuit type:  Class D
• Remote connector:  1 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
• Fuse:  T 3.15 A L 250 V
• Power consumption 1/8th rated power@ 4 Ω:  50 W
• Mains connector:  Standard IEC connector

Physical and Dimensions

• Dimensions (H x W x D):  44 x 218 x 299 mm (1.8 x 8.6 x 11.8")
• Weight:  2.4 kg (5.3 lbs)
• Finish:  Brushed black anodized aluminium chassis with black painted steel bottom
• Approvals:  CE, CCC, WEEE, cTUVus, PSE, RCM, RoHS, FCC part 15 Class B