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Avalon Design AD2022 Microphone Preamp

B&H # AVAD2022BK MFR # AD2022-B
Avalon Design AD2022 Microphone Preamp

Avalon Design AD2022 Microphone Preamp Back View

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Product Highlights

  • 2 Mono Channels
  • Pure Class A Design
  • Minimal Signal Path
  • Microphone& Hi-Z Inputs
  • Mic Input Impedance Matching
  • DC-Coupled Pure Class A Outputs
  • Variable High-Pass Filters
  • Sealed Silver Signal Routing
  • Input Polarity Phase Reverse
  • Large VU Meter
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You Pay: $2,970.00

Questions? Ask our experts:

The AD2022 Microphone Preamp 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. These include selectable microphone source loading for optimized cable/microphone 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 features split low-ratio primary windings which are carefully combined within a custom mu-metal core for extended smooth frequency response and very low distortion. 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.

Two 100% discrete, high-voltage, symmetrical Pure Class A signal amplifiers are utilized per channel of the AD2022. 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. 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.

Symmetrical Pure Class A design, two channels
Microphone and hi-Z instrument inputs
Selectable microphone input impedance matching
Minimum audio signal path
High performance input transformers
DC coupled Pure Class A outputs
Variable passive high pass (bass cut) filters
Input polarity phase reverse
Input -20dB pad for high level signals
All signal routing with sealed silver relays
Large illuminated professional VU meters
Number of Channels 2
  • 2 x XLR balanced
  • 2 x XLR unbalanced
  • 2 x 1/4" TS instrument input (front panel)
  • Output 2 x XLR balanced
    Phantom Power +48v regulated 50mA capability
    Multi Function DI for guitars, bass and keyboards
    Gain Range 0dB to +64dB
    Maximum Output Level +30dB, unbalanced 600 ohms
    Frequency Response 1Hz to 120kHz transformer limit
    Noise EIN: -126dB 150 ohm
    Dimensions 2U rack mount, 12" deep
    Specialties Passive, High Pass Filter, variable from 30Hz to 185Hz @ 6dB per octave, sealed silver relay
    Packaging Info
    Package Weight 29.15 lb
    Box Dimensions (LxWxH) 24.0 x 22.0 x 8.6"
    Avalon Design AD2022 Microphone Preamp
  • External Toroidal 100-240V, 50-60Hz Selectable BT2 Power Supply
  • 8' 4-Pin AC Cable
  • 8' Power Cable
  • 1-Year Warranty

    by PowerReviews
    Avalon DesignAD2022 Microphone Preamp

    (based on 1 review)

    Ratings Distribution

    • 5 Stars



    • 4 Stars



    • 3 Stars



    • 2 Stars



    • 1 Stars



    Reviewed by 1 customer

    Displaying review 1

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    (9 of 9 customers found this review helpful)


    Truly awesome, this thing is

    By Adam C

    from NYC

    About Me Professional

    Verified Reviewer


    • Attractive Design
    • Crisp Sound
    • Easy To Connect
    • Great Sound Quality
    • Powerful


      Best Uses

        Comments about Avalon Design AD2022 Microphone Preamp:

        Say what you want about the unique coloration you can get with other mic pres; If you just want your tracks to sound really true, clean and present, and you're not on a quest for some particular vintage sound, this is your man!If you just need 1 monster pre and you've got the budget to buy this item, you might shop around a bit for single channel pres. As for me, about half the music recording I do for myself and others is with a baby grand piano, so I need to get true stereo recordings, making a dual channel pre a necessity.I've used the AD 2022 with a variety of mics including stereo AKG 414's, a Rode NTK, an Audio Technica 835b, and several different dynamic mics. It offers what you might call the identity property of gain. You hear the unique characteristics of each mic much more clearly than with other pres I've used extensively.Even in cases where other relatively high quality mic pres produce an isolated recording that sounds comparable to that of the AD 2022, the truth comes out in mixing. I now spend about 50% of the time that I used to separating sounds with EQ and other processors, and the end result is far better. I used to fish through the low mids and boost the highs on lead tracks, constantly weighing the balance of presence and harshness. The AD 2022 gives you presence without the need for excessive artificial brightness. Darkness can be rich rather than dull, and when you do accentuate highs, a little goes a long way--they tend to be clear and sparkling more than they are harsh. Compression? This signal tolerates a lot of compression, giving you room to get things really loud while keeping them clear and exciting. And super-close whispers on a decent mic, which can often sound dull and fake, can be made to sound like someone talking inside your head with a little light-handed mixing.Forget about noise and start worrying more about perfecting room acoustics. With only an inexpensive power conditioner in front of the AD 2022, subtle-but-noticeable line noise starts at around 46 dB of gain--more than you should ever need. And you get a ton of headroom.And it functions as the best DI box I've ever heard. Obviously, amp sims are never a perfect substitute for the real thing, but with this DI capturing the dry signal, you can do some pretty stunning fakery.

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