Lab Gruppen CMA-1201 AMPLIFIER

The Lab Gruppen CMA-1201 is a professional-grade 2-channel Class D power amplifier designed for commercial, installed sound applications. Compact, efficient, and reliable, it delivers exceptional audio performance and flexible power configurations — making it ideal for background music systems, paging, conference rooms, retail spaces, and hospitality environments.

Key Features

• 2-Channel Power Amplifier – Optimized for 70V / 100V distributed systems and low-impedance operation.

• Flexible Power Output – Configurable for both Lo-Z (4–8Ω) and Hi-Z (70V / 100V) loudspeaker systems.

• Total Output Power:

  • 2 × 120 W at 4 Ω / 8 Ω

  • 2 × 120 W at 70V / 100V

  • 1 × 240 W bridged mono

• Compact Half-Rack Design – Lightweight and space-saving for easy installation.

• Class D Efficiency – High power with minimal heat generation and low energy consumption.

• Automatic Power On/Off (Auto-Standby) – Energy-saving mode reduces power use in idle operation.

• Comprehensive Protection Circuitry – Protects against short circuits, thermal overload, and DC faults.

• Euroblock Connectors – Secure and simple connection for inputs and outputs.

• Front Panel Signal Indicators – Power, signal, and protect LEDs for easy system monitoring.

• Low Noise and High Headroom – Ensures clean, dynamic audio performance for installed sound applications.

Technical Specifications

• Channels: 2

• Rated Power Output: 2 × 120 W (4 Ω / 8 Ω / 70V / 100V)

• Bridge Mode: 1 × 240 W @ 8 Ω / 200V line

• Amplifier Topology: Class D

• Frequency Response: 20 Hz – 20 kHz (±1 dB)

• THD+N: < 0.05%

• Signal-to-Noise Ratio: > 100 dB (A-weighted)

• Input Sensitivity: 0.775 V / 1.4 V selectable

• Input Connectors: 2 × Euroblock (balanced line inputs)

• Output Connectors: 2 × Euroblock (speaker outputs)

• Cooling: Convection (fanless, silent operation)

• Power Requirements: 100–240 V AC, 50/60 Hz (auto-ranging)

• Power Consumption (Idle): < 10 W