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Avalon Design AD2077 - Dual Mono, Pure Class A Mastering Equalizer

B&H # AVAD2077BK Mfr # AD2077-B
Usually ships in 7-14 business days

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This is a special order item and is non-cancelable and non-returnable. Est. arrival at B&H is 7-14 business days (subject to availability). Your order will be charged at time of shipment.

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You Pay: $13,000.00

The AD2077 from Avalon Design is a no compromise, dual mono, pure Class A mastering equalizer, designed to maintain absolute signal integrity. The equalizer combines the best active and passive filter designs for sonic excellence and offers the professional mastering engineer alternate tone selections in both filter domains, while being able to deliver the highest resolution and wide dynamic range with very low noise.

The AD2077 is perfect for two buss music-program equalization and ultra-high performance analog mastering applications. The combination of EQ design enables the unit to deliver high speed transient detail at the operational extremes of real-world equalization demands, while still being able to provide full bodied, powerful and sweet frequency selections through the use of passive high-low EQ bands.

The full bandwidth, twin mid bands provide switched frequency selection with x10 frequency multipliers for very wide range and switched bandwidth and amplitude control for accurate tonal shaping. With the use of 100% discrete, pure Class A signal amplifiers, the serious mastering engineer has at their disposal unlimited sonic character and a natural harmonic detail that does nothing but enhance the program material.

Pure Class A, 100% discrete design mastering EQ with minimal audio signal path, delivering smooth musical detail and sonic excellence
Transparent active and passive filter design with low noise and high headroom
Dual mono, fully switched controls for full repeatability of settings
Fully balanced inputs and outputs, DC coupled with no transformers in the audio path
Mid bands use X10 frequency multipliers for extended range
All signal routing with sealed silver relays
External 150W toroidal power supply avoids any power induced interference
Filter Type Passive high and low bands plus two fully parametric mid bands
Number of Channels 2
Inputs 2 x XLR (2-pin hot)
Outputs 2 x XLR (2-pin hot)
Maximum Input Level +30dB
Frequency Bands Low Band F1:
18, 25, 30, 50, 72, 100, 150, 200, 300, 400Hz, shelf or peak-dip curve (switched)

Mid Band F2:
12, 15, 18, 21, 25, 30, 36, 42, 50, 60, 70, 84, 100, 120, 140, 170, 200, 240, 280, 340, 400Hz, with x10 multiplier for additional frequencies (switched)

Mid Band F3:
140, 160, 180, 210, 250, 300, 350, 420, 500, 600, 700, 840Hz, 1, 1.2, 1.4, 1.5, 1.6, 1.8, 2, 2.2, 2.4kHz, with x10 multiplier for additional frequencies (switched)

High Band F4:
3, 4, 6, 8, 10, 12, 15, 17, 20, 25kHz, shelf or peak-dip curve (switched)

Bandwidth Mid Band F2:
6, 9, 12, 15, 18dB per octave (switched)

Mid Band F3:
6, 9, 12, 15, 18dB per octave (switched)

Range (Boost/Cut) Low Band F1:
Passive, -20dB to +20dB in 0.5dB, 1dB or 2dB steps (switched)

Mid Band F2:
Active, -10dB to +10dB in 0.5dB or 1dB steps (switched)

Mid Band F3:
Active, -10dB to +10dB in 0.5dB or 1dB steps (switched)

Mid Band F4:
Passive, -20dB to +20dB in 0.5dB, 1dB or 2dB steps (switched)

Maximum Output Level +32dB
Frequency Response 1Hz to 450kHz (input band limited)
Dynamic Range Not specified by the manufacturer
Noise -94dB, unweighted (EQ In)
Dimensions (WxDxH) 19" x 15" x 7"
Weight 40 lbs (shipping)
Specialties Detented controls allow for absolute repeatability of settings
Avalon Design AD2077 - Dual Mono, Pure Class A Mastering Equalizer
  • B2T External Power Supply
  • One (1) Year Warranty
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