d&b audiotechnik A1

d&b audiotechnik A1

The all-embracing functionality of the d&b Amplifiers can be accessed via the d&b Remote network, through either Ethernet or CAN-Bus, providing all the power to effectively control. All d&b amplifiers incorporate sophisticated Digital Signal Processing capabilities for comprehensive loudspeaker management, switchable filter functions, remote capabilities and user-definable controls. The d&b amplifiers are designed specifically to power d&b loudspeakers and are the beating heart of all d&b systems. The series includes models: dual channel D6 and D12, 10D, 30D, D20 and D80. All d&b amplifiers feature analog and AES / EBU digital inputs
for each channel, not to mention System check, Input and Load monitoring, overvoltage protection, temperature and signal controlled cooling and switch mode power supplies. The 10D and 30D are dedicated to installation systems and as such, perfectly fulfil the needs of any permanent sound reinforcement requirement. Whether discreetly integrating inside a venue or operating in a rider driven performance space, these devices provide installation specific functionalities, including enhanced system status monitoring features and GPIOs for extended input routing capabilities. The 10D, 30D, D6, D20 and D80 also incorporate active Power Factor Correction, which maintains a stable output when used with weak or unstable mains supplies. All in all, the amplifiers do more than drive d&b loudspeakers; they realize the full potential of the d&b system approach. The amplifier heritage products include models D12, E-PAC, P1200A, A1 which were launched between 1993 and 1997.



ID: scjh-56717 Category:

Description

d&b audiotechnik A1

d&b A1 Mainframe with two power amplifiers

  • Maximum output power 1200 W and 350 W into 4 Ohms

d&b audiotechnik A1 mainframe houses in a 3 rack unit high, 19″ rack mount enclosure.

The A1 incorporates:

  • two power amplifiers (1200 W and 400 W),
  • softstart power supplies,
  • monitoring and protection circuits with the associated display elements
  • and all connectors.

All functions enable remote interrogation and alteration via the d&b Remote Interface Bridge (RIB).

The mainframe accepts a single exchangeable controller module. Such module determines both the type and number of loudspeakers which d&b A1 can drive.

d&b SenseDrive electronics maintain maximum damping factor with complex loads. It also improves low frequency transient performance when using long speaker cables.

The d&b A1 amplifier has a comprehensive protection against overheating and connection to inappropriate or faulty loads. It has a high peak output current capability and a low feedback internal gain structure.

Speaker ID protects wrongly connected speakers from possible damage. The A1 is also available as a dual voltage (115 V / 230 V) autosensing version.

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