
The IMG STAGELINE STA-235 is a powerful and versatile Stereo PA Amplifier designed for robust professional audio applications. Delivering exceptional power in a durable 2-rack unit (2 RU) design, the STA-235 ensures reliable, high-fidelity sound for stage, venue, or installation use.
With a total power rating of 1,000 W, the STA-235 offers flexible operation modes to suit any setup:
Stereo Mode: Delivers 2 x 500 W at 4 Ω or 2 x 400 W at 8 Ω.
Bridged Mode: Provides a massive 1 x 1,000 W at 8 Ω for single, high-power loads.
Peak Output Power: Reaches up to 1,400 W.
The STA-235 is equipped with features for enhanced control, monitoring, and protection:
Integrated Limiter: Can be activated as required to prevent clipping and protect your speakers from over-modulation.
LCD Display: Provides real-time information on temperature, operating mode, and power.
Temperature-Controlled Fans: Ensures optimal performance and longevity by maintaining a consistent internal temperature.
Level Controls: Two level controls for precise input adjustment.
Protection Circuit: Features LED indicators for immediate warning against short circuit and overheating.
Signal Monitoring: Each channel has LEDs to indicate signal, level, and overload status.
Ground Lift Function: Helps eliminate hum and noise caused by ground loops.
Speaker Switch-on Delay: Protects speakers from power-up transients.
| Specification | Detail |
| Power Rating | 1,000 W |
| Power at 4 Ω | 2 x 500 W |
| Power at 8 Ω | 2 x 400 W |
| Bridged Power at 8 Ω | 1 x 1,000 W |
| Frequency Range | 10–50,000 Hz |
| S/N Ratio | > 80 dB |
| THD | < 0.1% |
| Rack Units (RU) | 2 |
| Connections | 1 x 3-pole XLR L/R (bal.), 1 x 6.3 mm jack L/R (bal.), 3 x SPEAKER, 2 x pair of screw terminals |
| Weight | 11.5 kg |