Avalon Design AD2055 Dual Mono Parametric Equalizer (Black)

Avalon Design AD2055 Dual Mono Parametric Equalizer (Black)

Avalon Design AD2055 Dual Mono Parametric Equalizer (Black)

B&H # AVAD2055BL MFR # AD2055-BL
Avalon Design AD2055 Dual Mono Parametric Equalizer (Black)


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Important Notice: This item is non-cancelable and non-returnable
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Expected availability: 7-14 business days 
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Product Highlights

  • Class A Design
  • Dual 4-Band Frequency Selection
  • Passive High & Low Bands
  • Active Mid Bands
  • Stereo or Dual Mono Use
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  • 1Description

The black AD2055 Dual Mono Parametric Equalizer from Avalon Design features a Class A, discrete design with a minimum audio signal path for transparency when in use. The unit has two channels, each with 4 matching frequency bands, allowing for dual mono or stereo operation. Passive high and low bands are complimented by active parametric mid-range bands, with x10 frequency multiplier buttons for a broad range.

Class A, 100% discrete design
Minimum audio signal path
Dual mono operation
Transparent active and passive filter design
Headroom of 30 dB
Low noise of -94 dB
Fully balanced inputs and outputs
DC coupled, no transformers in audio path
Switched frequencies in high and low bands
Mid bands use x10 frequency for extended range
Bandwidth of -3 dB, 1 Hz to 450 kHz
Low distortion of less than 0.5% THD and IMD
All signal routing with sealed silver relays
Conductive plastic potentiometers for low noise
External 150W toroidal power supply
100% discrete power supplies for audio path
Long-lasting, stainless-steel hardware
Passive high and low bands plus 2 fully parametric mid bands
Hard-wire relay bypass for compressor in-out
In the Box
Avalon Design AD2055 Dual Mono Parametric Equalizer (Black)
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description
    Circuit Class A
    Output Gain Unity
    Maximum Input Level +30 dB balanced (XLR pin 2 hot)
    Maximum Output Level +32 dB balanced 600 Ω, DC coupled, high-current discrete Class A
    Input/Outputs XLR type, pin 2 hot balanced
    Noise -94 dB (EQ in), 20 kHz Unweighted
    Distortion (THD) 0.5% (Typical 0.05% at +6 dB 1 kHz)
    Frequency Response 1 Hz to 450 kHz (Input band limited) at -3 dB
    Band Low Band F1: Passive, amplitude to -32 to +32 dB shelf or peak-dip curve
    Mid Band F2: Active, amplitude to -16 to +16 dB peak-dip curve
    Mid Band F3: Active, amplitude to -16 to +16 dB peak-dip curve
    High Band F4: Passive, amplitude to -26 to +26 dB shelf or peak-dip curve
    Frequency Range F1: Switched 10 position 18, 25, 30, 50, 72, 100, 150, 215, 300, and 450 Hz
    F2: Variable 35 to 450 Hz (x10) 350 Hz to 4.5 KHz, Q (width) 0.3 to 3.0
    F3: Variable 160 Hz to 2.0 KHz (x10) 1.6 to 20 kHz, Q (width) 0.3 to 3.0
    F4: Switched 10 position 1.5, 2.5, 3.5, 5, 7.2, 10, 12.5, 15, 20, and 25 kHz
    Power External AC supply, 150 W toroidal transformer, 4-pin cable 90 V isolated
    Power Supply 100 to 240 V 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 16.0 lb (7.3 kg)
    Packaging Info
    Package Weight 31.0 lb
    Box Dimensions (LxWxH) 24.6 x 22.4 x 9.3"

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