The Adastra A8 is a professional-grade multi-zone stereo amplifier designed for installations requiring high-quality audio distribution across multiple areas. With its robust feature set, the A8 is ideal for environments such as hotels, restaurants, fitness centres, and educational institutions, offering versatile input options and powerful output capabilities.
Constructed with a durable 19-inch, 2U steel chassis, the Adastra A8 provides reliable, long-term operation in rack-mounted setups. The front panel is equipped with intuitive rotary controls for each zone, a clear media player display, and dedicated input selectors, facilitating straightforward operation. The inclusion of ventilation grilles enhances airflow, preventing overheating and maintaining optimal performance.
| Specification | Details |
|---|---|
| Power Supply | 230Vac, 50Hz (IEC) |
| Amplifier Construction | Class D |
| Output Power RMS @ 4Ω | 8 x 200W |
| Output Power RMS @ 8Ω | 8 x 100W |
| Frequency Response | 20Hz - 20kHz ±0.5dB |
| Microphone Inputs | 2 x 6.3mm jack (mono) |
| Line Inputs | Line 1: L+R (6.3mm jack/RCA), Line 2: L+R (RCA) |
| Auxiliary Input | 3.5mm stereo jack |
| Audio Sources | USB/SD MP3 playback, FM tuner, Bluetooth receiver |
| Bluetooth Version | 2.3 |
| Speaker Outputs | 4 x 4-terminal Euroblock |
| Dimensions (W x D x H) | 482 x 300 x 88mm |
| Weight | 8.96kg |
The Adastra A8 delivers clear and powerful audio across multiple zones. Its user-friendly interface, combined with flexible input options and independent zone controls, allows for customised audio distribution tailored to specific needs. The integrated media player and Bluetooth connectivity enhance the amplifier's versatility, making it a comprehensive solution for professional audio installations.
Q: Can the Adastra A8 play music from a USB drive?
A: Yes, the integrated media player supports MP3 playback from USB drives and SD cards.
Q: Is it possible to stream audio wirelessly to the A8?
A: Yes, the amplifier includes a Bluetooth receiver (version 2.3) for wireless streaming from compatible devices.
Q: Can I connect a microphone directly to the A8?
A: Absolutely. The A8 features two microphone inputs via 6.3mm jacks with a talkover function for announcements.
Q: How many zones can I control independently?
A: The amplifier allows independent control over four stereo zones, each with its own source and volume settings.
Q: What type of speakers can I use with this amplifier?
A: The Adastra A8 supports 4Ω and 8Ω speaker loads, making it compatible with a wide range of professional loudspeakers.
