Avalon Design AD2044 Dual Mono-Stereo, Pure Class A Opto-Compressor (Black & Orange)

Avalon Design AD2044 Dual Mono-Stereo, Pure Class A Opto-Compressor (Black & Orange)

Avalon Design AD2044 Dual Mono-Stereo, Pure Class A Opto-Compressor (Black & Orange)

B&H # AVAD2044BO MFR # AD2044-BO

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Avalon Design AD2044 overview

  • 1Description

The black and orange AD2044 Dual Mono-Stereo, Pure Class A Opto-Compressor from Avalon Design features a discrete, pure Class A signal amplifier. The invisible opto elements enable the AD2044 Compressor to deliver totally transparent, low noise gain reduction within the minimalist signal path design (no VCAs are incorporated). The variable attack and release controls plus side-chain access provide unlimited creative control from soft compression to hard limiting.

Designed to optimize absolute signal integrity and musical performance, the AD2044 Compressor combines advanced electronics with sonic excellence. This compressor is a suitable solution for 2 buss music-program compression, mono bass and instruments, and mastering applications.

The AD2044 Compressor is a rugged hardware designed to deliver high-performance audio. The custom-manufactured, high-speed linear opto elements provide the non-invasive passive attenuator system for invisible gain reduction. The AD2044 incorporates an external control loop and current-monitored optical driver for smooth control plus the benefits of traditional vintage LDR compression.

The advanced true symmetry design offers high voltage, large headroom, extended bandwidth, and very low noise. The use of 100% discrete, pure Class A signal amplifiers offer unlimited sonic character and a natural harmonic detail that enhances the program material.

Smooth musical detail and sonic excellence
Minimum audio signal path
Pure Class A, discrete design
Dual mono or stereo operation
Transparent, non-invasive compression
Low noise of -94 dB
High headroom of +30 dB
Fully balanced inputs and outputs
Long lasting, stainless-steel hardware
External 150W toroidal power supply
Discrete power supplies for audio path
All signal routing with sealed silver relays
External side-chain access XLR
Low distortion less than 0.5% THD and IMD
Wide bandwidth of -3 dB, 1 Hz to 450 kHz
Large accurate professional VU meters
Variable threshold, ratio, attack, and release
DC coupled, no transformers in audio path
Hard-wire relay bypass for compressor in-out
Large illuminated push switch for stereo L-R linking
In the Box
Avalon Design AD2044 Dual Mono-Stereo, Pure Class A Opto-Compressor (Black & Orange)
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Avalon Design AD2044 specs

    Function Optical passive attenuator
    Inputs XLR type, pin 2 hot balanced
    Outputs XLR type, pin 2 hot balanced
    Maximum Input Level 30 dB balanced XLR pin 2 hot
    Threshold Range -24 to +20 dB
    Compression Ratio 1:1 to 20:1
    Attack Time 0.5 to 150 ms
    Release Time 80 ms to 5 sec for 12 dB
    Maximum Output Level 32 dB balanced 600 Ohms, DC-coupled, high-current discrete Class A
    Make-up Gain Variable 20 dB range (-10 to +10 dB)
    Frequency Response 1 Hz to 450 kHz (Input band limited) at -3 dB
    Noise 20 kHz Unweighted: -94 dB (Compressor in)
    Sidechain XLR type, pin 2 hot balanced (switch/relay selectable from front panel)
    Circuit High-voltage 100% discrete, balanced, and symmetrical Class A
    Output Gain Variable: -10 to +10 dB, center detent 0 dB
    Distortion (THD) 0.5% (Typical 0.05% at +6 dB 1 kHz)
    Meter Gain Reduction: Illuminated gain reduction meter 0 to -20 dB range
    Output Meter: Professional moving coil type -20 to +3 dB (0 VU = +4 dB)
    Power External AC supply, 150 W toroidal transformer, 4-pin cable 90 V isolated
    Power Supply 100 to 240 VAC selectable 50 / 60 Hz, 150 W maximum
    Dimensions 19.0 x 3.5 x 12.0" (482.0 x 88.0 x 305.0 mm)
    Weight 17.0 lb (7.7 kg)

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