Adastra UA Series UA90 100V Compact 5ch Mixer-Amplifier, 90W, 1U, 300x210x44mm

Adastra UA90 100V Compact Mixer Amplifier Overview

The Adastra UA90 is a versatile and compact 100V mixer amplifier designed for professional audio installations in commercial and public spaces. With 90W RMS output power, this amplifier ensures clear and reliable sound distribution, making it ideal for background music, paging, and announcements in offices, schools, retail stores, and restaurants. Its five input channels provide flexibility for connecting multiple audio sources, including microphones, line-level devices, and auxiliary inputs. The unit operates on both 100V line and 8-ohm speaker systems, offering adaptable installation options. Designed for efficiency, it features Class D amplification with a transformer output, delivering excellent energy performance while maintaining audio clarity. The half-width 1U rack-mountable design allows for space-saving installations, with the option to mount two units side by side in a standard rack.

Equipped with a range of connectivity options, the Adastra UA90 includes mic/line combo inputs, 6.3mm mic/line inputs, RCA line inputs, and a 3.5mm auxiliary input, ensuring compatibility with various audio sources. Channel 1 features switchable +20V phantom power, allowing the use of condenser microphones. The amplifier also includes a line output via RCA connections, making it easy to integrate with external audio systems. A built-in 24V fire alarm mute relay ensures priority paging in emergency situations, a crucial feature in public address applications. With a frequency response of 100Hz – 18kHz, low THD (<0.4% @ 1kHz), and an SNR of 80dB (line), it delivers high-quality audio performance. The unit operates on 170-264V AC power and is supplied with Euroblock speaker terminals for secure connections. Compact, efficient, and feature-packed, the Adastra UA90 is a reliable choice for distributed audio systems requiring flexibility and professional-grade sound.