AD2022 - Dual Mono Pure Class A Preamplifier

CLICK TO SEE ENLARGED VERSION

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 

• 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

 -OR-

rent this one!

AD2044:
Dual Mono-Stereo, Pure Class A Opto-Compressor

AD2044 FEATURES

• Smooth musical detail and sonic excellence

• Minimum audio signal path

• Pure Class A, 100% discrete design

• Dual mono or Stereo operation

• Transparent, non-invasive compression

• Very low noise -94dB

• High headroom +30dB

• Fully balanced inputs and outputs

• External 150W toroidal power supply

• 100% discrete power supplies for audio path

• External side-chain access XLR

• Low distortion less than 0.5% THD and IMD

• Wide bandwidth -3dB 1Hz to 450kHz

• Large accurate professional VU meters

• Variable threshold, ratio, attack & release

• DC coupled, no transformers in audio path

Unit Specifications/Learn More!

 -OR-

this one!

Avalon-Design VT-737SP Mono Vacuum Tube Microphone Preamp with Opto-Compressor and 4 Band EQ