TOA A-3648D
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TOA A-3648D

The TOA A-3648D is a class D digital mixer amplifier with a 480 watt output and compatible with 100 volt line or low impedance systems (4 - 16 ohms)

Browser based control and monitoring enables remote troubleshooting and system adjustments including volume change, input priority & speaker EQ settings.

It is equipped with 4 MIC/LINE selectable inputs (2 with phantom power), 2 further MIC inputs with phantom power and 1 Line input. There is also a Power Amp input.

There's an integral chime unit and FBS (Feedback suppression function), Equalizer (3 points), Gate, Software volume, Limiter and Ducker functions are also built in.

The A3648D 2 channel speaker zone selectors (on high impedance only) make it ideal for sound systems in offices, shops, schools, restaurants and small production facilities.

Also ideal as a local amplifier integrated into a building wide voice alarm system. A priority broadcast function enables emergency messages to be prioritised over local sound with six priority levels assignable to the input trigger signals.

Available in a range of power ratings - see related products if this isn't quite the power rating you need.

  • For high and low impedance speakers
  • AC-mains 100V - 240V
  • 8 Inputs (4 MIC/AUX selectable, 2 MIC, 1 AUX, 1 power amp)
  • 4 Mic inputs with phantom power
  • 2 Zone speaker selector (high impedance only)
  • 2 Line out
  • 1 Rec output
  • 2 Zone control inputs/outputs
  • 1 Power remote control output
  • 1 Emergency output


Rack mountable using optional MB-25B brackets - see relates products.

100V multi-zn 16ohms 4ohms 8ohms
List Ex VAT: £749.00
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SPECIFICATIONS

Power source

100 - 240 V AC, 50 / 60 Hz

Rated output

240 W

Frequency response

50 Hz - 20 kHz (±3 dB)

Distortion

≤ 1 % (at 1 kHz, rated power)

Power consumption

171 W (at rated output), 48 W (EN62368-1)

Speaker output

Speaker: low impedance: 4-16 Ω, high impedance: 100 V, direct, zone 1, zone 2.

Amplifier

Class D

S/N ratio

88 dB (A-weighted)

Total Mic Inputs

6

Controls

7x volume for inputs, bass, treble, master volume, zone 1 & 2 switch, power

Inputs

Input 1+2: -60/-20 dBV, 600 Ω, balanced, phantom power switchable;
Inputs 3+4: -60 dBV, 600 Ω, balanced, phantom power switchable; all with removable terminal block;
Inputs 5+6: -60 dBV, 600 Ω, balanced, removable terminal block / -20 dBV, 10 kΩ, unbalanced, RCA jacks, selectable;
Input 7: -20 dBV, 10 kΩ, unbalanced, 2 RCA jacks.
Power amplifier input 0 dBV, 600 Ω, unbalanced, RCA 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);

Outputs

Recording, line out 1+2: 0 dBV, 600 Ω, unbalanced, RCA jack. Line out can be interlocked with zones.

Control output

Power remote, emergency, zone control: withstand voltage 30 VDC, control current 25 mA or less, removable terminal block

Chime

1-note, 2-note, or ascending 4-note chime or None selectable with switch setting

Indicators

LED level meter, Power indicator, Network connection confirmation indicator, Priority broadcast indicator, Emergency broadcast indicator, Thermal protection indicator, Overcurrent protection indicator, CPU running indicator, Error indicator, Zone indicator (1,2)

Operating humidity

85%RH or less (no condensation)

Operating temperature

–10 to +40 °C

Finish

ABS resin, Steel plate, paint, black

Dimensions

420 x 96.1 x 313.1 mm (W x H x D)

Weight

4.9 kg

Accessory (included)

Power cord (2 m (6.56 ft) ...1, Audio input removable terminal plug (3.81 mm, 3 pins) ... 6,

Control I/O removable terminal plug (3.81 mm, 4 pins) ... 4,

Remote control removable terminal plug (3.5 mm, 4 pins) ... 2,

Speaker out removable terminal plug (5 mm, 6 pins) ... 1, Volume control cover ...4

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