Avalon Ad2022 Dual Class-A Microphone Preamplifier

Ad2022 Dual Class-A Microphone Preamplifier description:

The Avalon 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, teflon/silver wiring and doubled plated circuit boards for superior low level signal transfer.

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