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Note: This item may not be returnable or could require a restocking fee. Contact one of our Audio Consultants for more details.
Due to the special nature of this item, we order each unit fresh from the factory, exclusively for you! Lead times may vary so please chat, call or email for up-to-date inventory status.

SKU

5032

Avalon AD2022

Dual channel pure Class A preamplifier
MFR# AD2022

Product Description

The dual mono Avalon AD2022 includes the original sonic capabilities and transparency of the M2, M22 and M5 preamplifiers plus several additional features, including selectable microphone source loading for optimized cable/mic matching, improved high-voltage Class A regulated power supplies, two high Z instrument inputs, variable-passive high pass filter and doubled plated circuit boards for superior low level signal transfer.
 
The AD2022 incorporates the most advanced high-performance microphone transformer available. Split low-ratio primary windings are carefully combined within a custom mu-metal core for extended smooth frequency response and very low distortion. Sealer silver relays are used for minimal signal invasion. The input signal selector, high pass filter, polarity-phase reverse, +48v power and the 20dB input attenuator all utilize local sealed relay operation. A variable passive high pass filter provides a minimum phase shift design while eliminating low frequency rumble, wind noise and mechanical vibration at sub sonic frequencies.

Symmetrical Pure Class A Design
Two 100% discrete, high-voltage, symmetrical Pure Class A signal amplifiers are utilized per channel. The first operates in a cascaded-cascode FET configuration while the second stage amplifier is fully bipolar. The twin amplifiers share the total available gain requirement. This shared architecture increases the high level headroom capability, improves transient response and doubles the internal bandwidth of the ultra-high performance pure Class A signal amplifiers. Output and Metering High-current DC coupled, Class A discrete amplifiers are utilized for the output drive interface with +36dB capability into all known loads. Two large, high-quality analog VU meters indicate accurate signal readings while bi-color LED's offers peak indication at 0dB and +20dB.

 

Features

  • Symmetrical Pure Class A design, two channels
  • Microphone and Hi-Z instrument inputs
  • Gain switched 4dB steps plus +/- 3dB fine output trim
  • Selectable microphone input impedance matching
  • Low noise -126dB EIN
  • Ultra high quality, low-ratio, balanced input transformer
  • Balanced, high-current Class A output to +36dB
  • Large illuminated analog VU meters and twin peak LED's
  • Regulated phantom power supply +48v
  • Input polarity phase reverse
  • High headroom +36dB input before overload
  • Input -20dB pad for high level signals Sealed silver relays for all signal routing
  • External AC 150w toroidal power chassis
  • Fully discrete Class A regulated audio power supplies
  • Deep, musical sound-stage, transparent amplification

Product Specifications

Condition New
Tube or Solid State Solid State
Channels Dual-Channel
Chassis 19-inch Rack-mount
Rack Spaces 2u
Direct Input Yes
Digital I/O No

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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.
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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.
The speed of delivery exceeded my expectations! I was VERY pleased that my shipment arrived in time for a scheduled vocal tracking session. The packing insured that my order arrived safely. And the sales staff responded quickly to questions regarding the product.
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