Adastra A8300 Commercial Mixer Amplifier 8 x 300W

Description

A-series mixer-amplifiers with switchable stereo or dual mono speaker outputs. Each speaker output has a stereo input source that can be selected between the internal audio player or three external stereo line inputs and even a digital optical input for AV applications. The inbuilt media player section offers playback of mp3 audio tracks from USB drive or microSD card and also has a B/T wireless receiver and FM radio tuner. Each speaker output zone has a wide ranging power capability from background music up to higher sound pressure levels, with Bass, Treble and Master Volume controls for independent sound management. Two microphone inputs have individual level controls and can be set to override the stereo line input for voice announcements. Emergency muting can be actuated from an alarm panel via the 24V EMG MUTE contacts on the rear panel. The A-series commercial amplifiers offer sophisticated functionality and power in a convenient 2U rack package with a comprehensive and accessible control surface. Each variant of this range is appointed to meet the needs of different sized installations with flexible setup options to serve various system topologies.

2-band EQ per output zone. Internal audio player with USB and microSD playback. S/PDIF optical input and Bluetooth connectivity. Each stereo output zone can be summed as dual mono. Voice override is available for mic inputs. FM radio tuner includes an external aerial connection. 24V emergency mute contacts are provided.

Output power @ 8 Ohms: 4 x 2 x 150Wrms
Output power @ 4 Ohms: 4 x 2 x 300Wrms
Weight: 11.556kg
Power supply: 230Vac, 50Hz (IEC)
Amplifier construction: Class D
Frequency response: 20Hz - 20kHz ±0.5dB
Microphone inputs: 2 x 6.3mm jack (mono) front or rear panel
Line inputs: Line 1 (L+R RCA), Line 2 (L+R RCA)
Digital audio input: TOSLink optical (S/PDIF)
Input sensitivity (line): 0.775Vrms
Auxiliary input: 3.5mm stereo jack
Input sensitivity (aux): 0.480Vrms
Input impedance: 10k Ohms
Audio source: USB/microSD mp3 playback, FM tuner, Bluetooth receiver
Bluetooth wireless version: 2.3
Input controls: Aux, Media, Line 1, Line 2, Mic 1, Mic 2, Talkover
Output controls: Mode, Stereo/Mono, Treble, Bass, Channel Volumes
Antenna connection: F type (FM tuner)
Dynamic range: 92dB
THD + N: <0.1%
Protection: Thermal, over-current, over-voltage, short-circuit
Emergency control: 24V mute terminals
Dimensions: 482 x 300 x 88mm