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Lab gruppen CMA1201


Lab gruppen


  • Lab gruppen CMA1201 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 is on order

1 piece


Price per piece: 344,00 €


Maximum Output Power
4 or 8 Ω per channel: 120 W
Number of Amplifier Channels
Number: 1
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: 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
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
Power: On (blue), force standby (red), standby (yellow
Signal (green LED): >12.3 mV (-36 dBu)
Fault (red LED): Clip
Signal (green LED): >-50 dBu
Fault (red LED): Overheat, DC fault, over current, etc
Limit (red LED): Output limit
Output circuit type: Class D
Remote connector: 1 x RJ45 Ethernet connector
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
Dimensions / Weight
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 aluminum chassis with black painted steel bottom
Approvals: CE, CCC, WEEE, cTUVus, PSE, RCM, RoHS, FCC part 15 Class B