TOA A-812D 8-Input 120W Digital Mixer Amplifier

The TOA A-812D 8-Input 120W Digital Mixer Amplifier is a PA amplifier equipped with 4 microphone inputs, 2 auxiliary inputs, and 2 slots dedicated to the 900 Series modules. It employs a PFC circuit. It also features the following functions: Volume control function, Priority function, Chime function, and Remote confirmation function. In addition, it is equipped with a 2-channel input BUS of AUDIO and DUCK, and the signal processing function. The 800D Series mixer amplifier is ideal for paging announcement and BGM applications in schools, offices, and super markets.

TOA A-812D Features

• 4 microphone inputs
• 2 auxiliary inputs
• 2 slots dedicated to the 900 Series modules
• PFC circuit
• Volume control function
• Priority function
• Chime function
• Remote confirmation function
• 2-channel input BUS of AUDIO and DUCK
• Ideal for paging announcement and BGM applications in schools, officers, and super markets

• A-812D 8-input 120W digital mixer amplifier1

• Power Source120 V AC, 60 Hz
• Rated Output120W
• Power Consumption170 W (rated output), 46 W (based on UL62368), 200 mA or less (when power switch is OFF)
• Frequency Response50 Hz to 20 kHz ±3 dB (1/8 rated output)
• THD1 % or less at 1 kHz, rated power (20 kHz LPF (AUX-0025))
• Tone Control
  • Bass: ±10 dB at 100 Hz
  • Treble: ±10 dB at 10 kHz
• Signal to Noise Ration88 dB or more (Master volume: min) 76 dB or more (Master volume: max) 55 dB or more (INPUT 1 to 6) (A-weighted)
• Input
  • 1-2: -60 dB* (MIC)/-20 dB* (LINE) selectable, 600 Ω, electronically-balanced, removable terminal block (3.81 mm, 3 pins) Note: MIC inputs are equipped with phantom power (24 V DC, ON/OFF switchable)
  • 3-4: -60 dB*, 600 Ω, electronically-balanced, removable terminal block (3.81 mm, 3 pins) Note: Equipped with phantom power (24 V DC, ON/OFF switchable)
  • 5-6: MIC/LINE selectable MIC: -60 dB* , 600 Ω, electronically-balanced, removable terminal block (3.81 mm, 3 pins) LINE: -20 dB*, 10 kΩ, unbalanced, RCA pin jack x 2
  • Module 1-2: -20 dB*, 10 kΩ
• Output
  • Speaker: High impedance: 70 V line/42 Ω/Low impedance 4 to 16 Ω. Removable terminal block (5.00 mm, 3 pins) selectable
  • REC: 0 dB *, 600 Ω, unbalanced, RCA pin jack x 2
  • PRE AMP: 0 dB *, 600 Ω, unbalanced, RCA pin jack
• Control Input
  • 4 channels, no-voltage make contact input, open voltage: 35 V DC or less, Short-circuit current: 10 mA or less, removable terminal block (3.81 mm, 4 pins)
  • REMOTE VOLUME: No-voltage make contact input, open voltage: 35 V DC or less, Short circuit current: 10 mA or less, removable terminal block (3.81 mm, 4 pins)
• Control Output
  • POWER REMOTE: Open collector output, withstand voltage: 30 V DC or less, control current: 25 mA or less, removable terminal block (3.50 mm, 4 pins)
  • EMERGENCY OUT: Open collector output, withstand voltage: 30 V DC or less, control current: 25 mA or less, removable terminal block (3.50 mm, 4 pins)
• IndicatorsLED level meter, Power indicator, Network connection confirmation indicator, Priority broadcast indicator, Emergency broadcast indicator, Thermal protection indicator, Over-current protection indicator, CPU running indicator, Error indi-cator
• Operating Temperature-10 to +40 ˚C (14 to 104 ˚F)
• Operating Humidity85 % RH or less (no condensation)
• Dimensions (WxHxD)16.54" x 3.78" x 12.33"
• Weight11.46 pounds