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Avalon AD2055 – No Longer Available

Dual-channel pure Class A parametric EQ
MFR# AD2055

Product Description

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.  The AD2055 breathes life into all musical performances! 

Sonic Excellence
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 studio's. 

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.  The Avalon AD2055 breathes life!

Product Specifications

Condition New
Tube or Solid State Solid State
Channels Dual-Channel
Chassis 19-inch Rack-mount
Rack Spaces 2u
Digital I/O No
EQ Type Parametric

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How do you rate this product?
I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.