IMD1644

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Professional amplifier

  • Class TD amplification
  • German audio processor
  • 4 x 2200W @ 8-Ohm
  • 4 x 4000W @ 4-Ohm
  • 4 x 4500W @ 2-Ohm

Description

IMD SERIES is a series of professional high-performance power amplifiers featuring a Class TD amplification and a DSP processor of 96 kHz/32-bit that combines IRR and FIR filters to make perfectly smooth phase curves, providing a sound that stands out for its transparency. IMD1644 has an output of 4 x 2200W @ 8-ohm, 4 x 4000W @ 4-ohm and 4 x 4500W @ 2-ohm in stereo mode  and 2 x 9000W @ 4-ohm in bridge mode.

Combining the excellent sound of Class AB and the power efficiency of the Class D amplifiers, TD Class technology allows lightweight amplifiers to deliver powerful and high-quality signal at the same time. In this amplifiers the power supply tracks the audio signal at all frequencies, supplying the required rail voltage while at the same time reserving additional headroom. The superior efficiency reached by TD Class allows greater power density while minimizing cooling requirements, yet sound quality matches the best class AB design.

IMD Series signal processing system is based on a 4th generation german DSP module that features 96 kHz audio clock frequency and extended network capabilities. Thanks to its on board 2 input channels (analogue + digital) and 4 analogue output channels there is no need for external AD or DA circuits. The module offers outstanding operating and controlling capabilities for large and complex PA systems via NetControl2 software, enabling the remote control of various modules.

Additional information

Inputs

2

Output power - Stereo 8-Ohm

4 x 2200W

Output power - Stereo 4-Ohm

4 x 4000W

Output power - Stereo 2-Ohm

4 x 4500W

Output power - Bridge 8-Ohm

2 x 8000W

Output power - Bridge 4-Ohm

2 x 9000W

Amplification

TD Class

Processor

2 x 4 German FIR processor DFM®

THD (20Hz-20kHz for 1W)

<0.1%

THD (1kHz y 1 dB below clipping)

0.05%

Signal to noise ratio

>120dB

Frequency response

10Hz~34kHz (+/- 0.1dB)

Input impedance

20 kOhm balanced / 10 kOhm unbalanced

Damping factor

>500:1

Protections

Short & open circuit, thermal, RF protection, On/off muting, DC fault shutdown & active inrush limiting

Signal connectors

4 XLR-3 (Neutrik®)

Output connectors

4 conectores Speakon (Neutrik®)

Network connector

RJ45 port

Cooling

Two Front-to-back fans, temperature-controlled speed

Dimensions (mm)

483x453x88

Weight

20.5 Kg.

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