System installers in search of a quality installation mixer / amplifier will be impressed with the TOA Electronics A-824D, a flexible six-channel mixer / 240W amplifier that's ideal for paging announcements and BGM applications in schools, offices, and supermarkets. The A-824D is equipped with four mic/line inputs, two auxiliary inputs, and two 900-Series module slots. The amplifier offers a single speaker output that's switchable between 4 ohms and 70V operation. The integrated Power Factor Correction (PFC) circuit prevents damage from faulty power. The unit offers several functions, including volume control, priority, chime, and remote confirmation. In addition, it is equipped with a 2-channel input Bus of Audio and Duck, and the signal processing function. The A-824D includes a power cord, several block terminal plugs, a volume control cover, and rackmount hardware.
- 240W power amplifier output
- Lightweight owing to the built-in digital power amplifier unit
- Emergency broadcast and priority broadcast activated by way of the control input (contact)
- Voice detection function that allows the priority broadcast to be activated by voice
- Priority setting function
- Remote confirmation function that allows you to confirm the unit’s status through the web browser using a PC
- Switchable speaker output (4 ohms or 70 V)
- Module slots provided for mounting up to 2 units of 900 Series modules
- Electronically balanced 4-microphone inputs (MIC 1 to MIC 4) with Input setting switches
- Fine sound adjustment possible by connecting a signal processor like an equalizer between the pre-amplifier output and the power amplifier input
- Bass and treble tone control knobs
- Output level meter
- Master volume control knob to simultaneously adjust all input levels
- Remotely controllable master volume
- Built-in chime unit (1-note chime, 2-note chime, and ascending 4-note chime)
- Equipped with the following signal processing functions: Dynamic feedback filters, Equalizer (3 points), Gate, Software volume, Limiter, and Ducker