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The Monacor STA-850D is a professional, high-performance 8-channel Class D power amplifier designed for versatile multi-zone Public Address (PA) and installation applications. Experience clean, reliable power and efficient operation in a compact, rack-mountable design.
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8 Independent Channels: Provides flexible power distribution for multi-zone audio systems.
Highly Efficient Class D Concept: Delivers robust power with low heat generation, ensuring energy efficiency.
Silent Operation: Features a fanless cooling concept, making it ideal for noise-sensitive environments like boardrooms, classrooms, or quiet retail spaces.
Bridged Operation Capability: Channels can be bridged for a higher output: up to 4 x 100 W RMS at $8 \Omega$.
Flexible Power Output:
8 x 50 W RMS at 4 ohm
8 x 30 W RMS at 8 ohm
Individual Control: Equipped with 8 level controls and a mute function for each channel, offering precise system adjustment.
Comprehensive Connectivity: Includes 8 x balanced XLR and 8 x RCA inputs for seamless connection to various audio sources (mixing desks, preamplifiers, line sources).
Safety Features: Protected against short circuiting, with an LED indicator on each channel to signal overload (clip).
Rack-Mountable Design: Housed in a durable 2-rack unit (2 RU) enclosure for easy professional installation.
| STA-850D | |
|---|---|
| Peak output power | 600 W |
| Power rating | 400 W |
| Power rating at 4 Ω | 8 x 50 W |
| Power rating at 8 Ω | 8 x 30 W |
| Power rating with 8 Ω bridged operation | 4 x 100 W |
| Channels | 8 |
| Inputs | 1 V/20 kΩ unbal.
550 mV/20 kΩ bal. |
| Frequency range | 10-20,000 Hz |
| Crosstalk attenuation | > 45 dB |
| Power supply | ˜ 230 V/50 Hz/600 VA |
| Mains voltage | ~ 230 V |
| Mains frequency | 50 Hz |
| Power consumption, operation | 600 VA |
| Admiss. ambient temp. | 0-40 °C |
| Width | 483 mm |
| Height | 90 mm |
| Depth | 330 mm |
| Rack units, RU | 2 |
| Weight | 10.5 kg |
| Connections | 8 x XLR, bal.
8Â x RCA 8Â x spring-load. speaker term. L/R |
| Packaging dimensions (W x H x L) | 0.41 x 0.16 x 0.56 m |
| Gross weight | 13.22 kg |
| Net weight | 10.68 kg |