Lab Gruppen CMA1201

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
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
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