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Avalon Design AD2055 Dual Mono EQ

Item: REC0000475-000
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The Avalon AD2055 Dual Mono EQ. Powerful EQ that breathes life into all musical performances delivering clear open high ...  All product info

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Product information - Avalon Design AD2077

The Avalon AD2055 Dual Mono EQ. Powerful EQ that breathes life into all musical performances delivering clear open high frequencies and warm lows.

The Avalon AD2055 combines 100% discrete, pure class A signal amplifiers with state-of-the-art passive and active filter topologies. The AD2055's unique circuitry delivers very high resolution transient detail at the operational extremes of real world equalization demands. The AD2055 auto-bias DC servo loop control eliminates the need for all interstage capacitor coupling. The AD2055 breathes life into all musical performances.

The main features of the Avalon AD2055 include:

  • 100% discrete, pure class A
  • Passive and active filter design
  • Transparent, minimal signal path
  • Very low noise- 94dB
  • Balanced DC inputs and outputs
  • Hard wire relay bypass
  • High headroom+30dB output
  • Twin seven octave mid-sweep
  • X10 frequency multipliers
  • Wide bandwidth 1Hz to 500kHz
  • Sealed silver relays
  • Discrete class A power regulators

The main specifications of the Avalon AD2055 include:

  • Circuit Topology: High-voltage 100% discrete, balanced and symmetrical Class A
  • Output Gain Range: Unity Gain
  • Maximum Input Level: +30dB balanced XLR pin 2 hot
  • Maximum Output Level: +32dB balanced 600 ohms, DC coupled, high-current discrete Class A
  • Input / Output Type: XLR type, pin 2 hot balanced
  • Noise 20kHz Unweighted: -94dB (EQ in)
  • Distortion THD, IMD: 0.5% (typical 0.05% at +6dB 1kHz)
  • Frequency Response -3dB: 1Hz to 450kHz (input band limited)
  • Equalizer Type: Passive high and low bands plus two fully parametric mid bands
  • Bypass: Hard-wire relay bypass for equalizer in-out
  • Low Band F1: Passive, amplitude to -32dB to +32dB shelf or peak-dip curve, F1 Frequency Range: Switched 10 position 18Hz, 25, 30, 50, 72, 100, 150, 215, 300, 450Hz, Mid Band F2: Active, amplitude to -16dB to +16dB peak-dip curve, F2 Frequency Range: Variable 35Hz to 450Hz (x10) 350Hz to 4k5Hz, Q (width) 0.3 to 3.0, Mid Band F3: Active, amplitude to -16dB to +16dB peak-dip curve, F3 Frequency Range: Variable 160Hz to 2k0Hz (x10) 1k6Hz to 20kHz, Q (width) 0.3 to 3.0, High Band F4: Passive, amplitude to -26dB to +26dB shelf or peak-dip curve, F4 Frequency Range: Switched 10 position 1k5Hz, 2k5, 3k5, 5k, 7k2, 10k, 12k5, 15k, 20k, 25kHz
  • AC-DC Power: External AC supply, 150w toroidal transformer, 4 pin cable 90v isolated
  • (B2T Power Supply Included): 100-240v selectable 50/60Hz, 150w max
  • Dimensions: 19 x 3.5 x 12 in (482 x 88 x 305mm)
  • Shipping weight: 30lbs (13.6 kg)