The Lab Gruppen CA1201 is a single-channel 120 W commercial amplifier for distributed audio in bars, restaurants, retail, hotels and education. It drives either low-impedance 4/8 Ω loudspeakers or high-impedance 70/100 V line systems, the standard approach for install runs where many ceiling speakers share one cable, and its direct drive design delivers constant power without an output transformer. Fanless convection cooling, Energy Star certification and simple front-panel volume and tone controls make it easy to install and hand over to non-technical staff.
120 W
Output power
4/8 Ω + 100 V
Low-Z and High-Z modes
Fanless
Convection cooled
1U half
Rack width
Features
120 W amplifier for commercial and industrial applications
Low-Z (4/8 Ω) and High-Z (70/100 V) operation with switchable 80 Hz high-pass filter
Direct drive, constant power technology for audio performance and reliability
Energy Star certified design cuts energy use and running cost
GPI remote volume control via standard RJ-45 and Ethernet cable
Front panel master volume, bass/treble controls and power button
Auto Ramp circuitry for quiet, fast power up/down
1U half-rack enclosure with brackets for rack, table and wall mounting
Euroblock input and output connectors
Convection-cooled, fanless design for low noise
10-Year Warranty Program
Designed and engineered in Sweden
Specifications
| Maximum output power | 120 W into 4 Ω, 8 Ω, 70 V or 100 V |
| Output channels | 1 |
| Minimum load impedance | 4 Ω (4 Ω mode), 8 Ω (8 Ω mode), 41 Ω (70 V mode), 82 Ω (100 V mode) |
| Output circuit type | Class D, direct drive |
| Inputs | 1 × 3-pin 5.08 mm Euroblock (balanced), 1 × RCA stereo summed |
| Input sensitivity | 1.23 V (+4 dBu) balanced; 0.62 V (-2 dBu) per side, RCA mono sum |
| Maximum input level | 9.75 V (+22 dBu) |
| Output connector | 1 × 2-pin 5.08 mm Euroblock |
| Tone controls | Bass ±10 dB at 100 Hz, treble ±10 dB at 10 kHz |
| Distortion (1/8 rated power) | <0.05% |
| Frequency response | 20 Hz to 20 kHz, +0.5/-1 dB |
| Signal-to-noise ratio | >97 dBA |
| Remote control | GPI via 1 × RJ45 connector |
| Protection | Thermal, over-current, DC, high-frequency; controlled start/shutdown |
| Mains | 100-240 V, 50/60 Hz, IEC inlet; fuse T 3.15 A L 250 V |
| Power consumption (1/8 rated power, 4 Ω) | 50 W |
| Dimensions (H × W × D) | 44 × 218 × 299 mm |
| Weight | 2.3 kg |
| Approvals | CE, cTUVus, PSE, CCC, RoHS, FCC Part 15 Class B, Energy Star 3.0 |





