- Product J16091
Avalon AD2055 Pure Class A Dual Mono 4 band active-passive EQ
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You can spend your busy day routing around for vintage studio EQs and hope they haven't been modifed or repaired with cheaper components, or you can ...Read More
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Professional studio EQ.
You can spend your busy day routing around for vintage studio EQs and hope they haven't been modifed or repaired with cheaper components, or you can achieve similar and by many engineers' ears, better results with the Avalon AD2055. The 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. And think of the fun you can have with the days you save by not hunting down iconic EQs in pro audio shops!
The Avalon AD2055 Pure Class A music equalizer is the most powerful, low noise parametric equalizer available today. Designed to optimize absolute signal integrity and musical performance, the AD2055 combines the best of active and passive filter topologies with sonic excellence unequaled by lesser designs. The AD2055 is the perfect solution for two buss music-program equalization, special instrument EQ and FX applications and ultra high performance mastering studios.
Features include state-of-the-art, balanced 100% discrete, Pure Class A signal amplifiers, practical user features and rugged hardware designed to deliver true high performance audio for many years.
Passive-active filter design
Avalon equalizers feature the unique combination of both active and passive filter EQ designs. This special combination enables the AD2055 to deliver high speed transient detail at the operational extremes of real-world equalization demands. The passive high and low bands offer alternate musical tone range to the full function active parametric mid bands. Passive equalizers have long been a favorite with music lovers around the world. Full bodied, powerful (up to +/-32dB, 64dB range !) and sweet frequency selections are the benefits of the passive high-low EQ bands. The full bandwidth twin mid bands provide variable frequency selection (X10 frequency multipliers for very wide range), variable Q (width) and amplitude control.
Minimum signal path design
Avalon's 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 give the serious music professional unlimited sonic character and a natural harmonic detail that enhances the program material and becomes one with the music itself.
- 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
Order today and breathe life into your mixes like never before.
AD2055 Pure Class A Dual Mono 4 band active-passive EQ
- 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)