V5 Pure Class A DI-RE-Microphone Preamplifier

The Avalon DI-preamplifiers have been in use around the world since 1985. They have found their way into the world's leading musicians rigs and recording sessions and have been featured on thousands of the best selling (and sounding) albums, downloads and live performances. The V5 includes the best of the Avalon U5 DI functions with a studio quality preamplifier and "a new sonic addition". Two alternate solid-state topologies are cascaded to provide a rich, low midrange harmonic content not offered in other Avalon preamplifiers. This feature empowers the V5 with a new scale of sonic character.

V5 Features

  • Pure Class A, 100% discrete design

  • Forward musical detail and sonic excellence

  • Minimum audio signal path

  • High quality transformer input & isolated output

  • Microphone and Hi-Z inputs to +36dB

  • Switched 2dB, high-gain preamplifier to +66dB


AD2022 Dual Mono Pure Class A Preamplifier

The AD2022 is Avalon's fourth generation of fully discrete, symmetrical Pure Class A microphone preamplifiers. The dual mono 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, silver wiring and doubled plated circuit boards for superior low level signal transfer.

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AD2022 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 

  • Regulated phantom power supply +48v 

  • Input polarity phase reverse 

  • High headroom +36dB input before overload

  • Input -20dB pad for high level signals

  • Deep, musical sound-stage, transparent amplification

M5 Pure Class A Preamplifier

Avalon microphone preamplifiers have been in use around the world since 1986. All preamplifiers share the combined technologies of low ratio transformer balanced inputs coupled with high-voltage cascade FET twin bipolar discrete class A amplifiers.

M5 Features

  • 100% discrete, pure class A mode

  • Transformer coupled inputs

  • Musically balanced harmonic detail

  • Low noise, high headroom +30dB

  • Variable highpass filter on M5

  • B&K 130v optional card on M5

  • Accurate 2dB stepped gain control

  • High impedance DI instrument input


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VT-737SP Pure Class A - Direct Signal Path

The Avalon VT-737SP features a combination of TUBE preamplifiers, opto-compressor, sweep equalizer, output level and VU metering in a 2U space.

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