Hazelrigg Industries DVA 500 Vacuum Tube Microphone Preamplifier/DI - Compact Tube Power
The Hazelrigg Industries DVA 500 Vacuum Tube Microphone Preamplifier/DI is a hybrid design that marries the classic tone of the Hazelrigg VLC and D.W. Fearn VT-2 with the compact efficiency of the 500-series format. Powered by a single 6072a vacuum tube, the DVA’s input stage mirrors the VLC/VT-2 exactly, featuring transformer-coupled input and output stages for rich, warm sound. With up to 60 dB of gain, this preamp/DI combo is perfect for studio engineers seeking premium audio quality in a small footprint.
Hybrid Design, Exceptional Sound
Designed by D.W. Fearn, the DVA combines a vacuum tube input stage with a low-THD, high-output solid-state makeup gain circuit—adapting to the power and size constraints of the 500-series format while retaining sonic integrity. The result is a versatile preamp/DI that delivers the signature warmth and clarity of its larger siblings, ideal for microphones and instruments alike.
User-Friendly Features and Tips
The DVA offers intuitive controls, including a -20 dB pad, +48V phantom power with LED indicator, polarity reversal, and a High Pass Filter switch. For high-output condenser mics, use the mic’s built-in pad if available to prevent input transformer overload. To add tube saturation, engage the -20 dB pad, send an attenuated signal, and tweak the gain for your desired tone and output level.
Built for Performance
With a front-panel microphone/instrument input, transformer-coupled signal path, and an output indicator LED, the DVA is crafted for reliability and ease of use. Backed by a 1-year warranty and handcrafted quality, it’s a powerful addition to any 500-series rack, delivering professional-grade audio for recording and live applications.
Key Features of the Hazelrigg DVA 500
- Vacuum tube microphone preamp and DI with 6072a tube
- Amplifier design by D.W. Fearn, based on VLC and VT-2
- Transformer-coupled input and output stages for rich tone
- Front-panel microphone/instrument input for versatile connectivity
- -20 dB pad switch for managing high-output sources
- +48V phantom power with LED indicator for condenser mics
- Polarity reversal and High Pass Filter switches for tonal control
- Output Indicator LED for real-time monitoring
- 1-year warranty, handcrafted quality
Technical Specifications
- Input Stage: Vacuum Tube (6072a)
- Gain: Approximately 60 dB
- Signal Path: Transformer-Coupled Input/Output, Low-THD Solid-State Makeup Gain
- Input: Front-Panel Microphone/Instrument
- Controls: -20 dB Pad, +48V Phantom Power, Polarity Reversal, High Pass Filter
- Indicator: Output LED, +48V LED
- Warranty: 1 Year
