The IMG Stageline STA-1504 is a robust 4-channel PA amplifier designed for professional audio applications, including live performances, installations, and events requiring reliable and high-quality sound reinforcement. With its integrated limiter and versatile filtering options, this amplifier ensures optimal performance and protection for connected speakers.
Constructed within a standard 19-inch, 3U rack-mountable chassis, the STA-1504 boasts a durable metal enclosure that enhances its longevity in demanding environments. The rear panel features tamper-resistant level adjustments, ensuring settings remain consistent during operation. An efficient fan cooling system and a ground lift switch further contribute to its dependable performance.
| Specification | Details |
|---|---|
| Peak Output Power | 900 W |
| Power Rating | 640 W |
| Power Rating at 4 Ω | 4 x 160 W |
| Power Rating at 8 Ω | 4 x 100 W |
| Power Rating with 8 Ω Bridged Operation | 2 x 320 W |
| Frequency Range | 12 Hz - 20 kHz |
| Signal-to-Noise Ratio | > 80 dB |
| Crosstalk Attenuation | > 60 dB |
| Total Harmonic Distortion (THD) | < 0.5% |
| Mains Voltage | ~ 230 V |
| Mains Frequency | 50 Hz |
| Power Consumption | 1,200 VA |
| Dimensions (W x H x D) | 482 x 132 x 310 mm |
| Rack Spaces | 3U |
| Weight | 14 kg |
| Inputs | 4 x 3-pole XLR, balanced |
| Outputs | 4 x screw terminal pairs, bridgeable |
The STA-1504 delivers consistent output and clarity across all four channels, making it well-suited for large venue PA systems and permanent installations. Its intuitive design, safety features, and configurable filters provide a reliable, controlled audio experience even under demanding loads.
Q: Can the STA-1504 be used in bridge mode?
A: Yes, it supports 8-ohm bridged operation, effectively doubling the power output per bridged pair.
Q: Does this amplifier have built-in speaker protection?
A: Absolutely. It includes short-circuit, thermal overload, and DC fault protection, along with soft-start circuitry.
Q: Is the STA-1504 suitable for live sound applications?
A: Yes, it's designed for high-demand environments like live shows, thanks to its durability and reliable power delivery.
Q: Are the input levels adjustable?
A: Yes, the rear panel includes recessed level controls for secure calibration.
Q: Can I use it with active crossover units?
A: Certainly. The STA-1504 works well with external signal processors and crossover units via balanced XLR inputs.
