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Single-channel, all-triode vacuum tube direct box designed for both stage and studio, offering a high-headroom circuit for electric bass, guitar, synths, and amplified acoustic instruments, featuring a 1/4” instrument input, a 1/4” thru connector, an XLR mic-level output, and a ground lift switch, housed in a robust steel chassis with 115V-220V mains selection.
At a glance
- Direct injection circuit designed by D.W. Fearn
- Front panel instrument input on 1/4” jack
- Front panel pass-through output on 1/4” jack
- Front panel microphone level output (150 ohm source impedance at a nominal -30 dBV) on XLR connector
- Ground loop switch
- All steel chassis
- 5-year warranty (90 days for vacuum tubes)
- Hand-crafted in the USA
The Hazelrigg Industries VDI is a single-channel, all-triode vacuum tube direct box designed for both stage and studio, offering a high-headroom circuit for electric bass, guitar, synths, and amplified acoustic instruments, featuring a 1/4” instrument input, a 1/4” thru connector, an XLR mic-level output, and a ground lift switch, housed in a robust steel chassis with 115V-220V mains selection.
Design and Build
The VDI is housed in a sturdy, low-profile steel chassis that is compact and portable, making it ideal for musicians and engineers on the move. Its rugged design ensures durability, whether used in the studio or on the road.
Simple, Professional Connectivity
The front panel includes a 1/4” Instrument Input and a 1/4” Thru connector, which allows musicians to pass the signal to an amplifier without compromising the quality of the mic-level output. The XLR connector provides a clean, low-noise output signal that pairs seamlessly with premium microphone preamps such as the D.W. Fearn VT series or Hazelrigg Industries VLC.
Ground Lift and Power Options
A ground lift switch ensures that ground loop hums, common in live and studio environments, can be easily eliminated. The rear panel includes an IEC mains socket, power switch, and mains voltage selector, offering compatibility with global power standards from 115V to 220V.
High-Headroom, Triode Tube Circuit
The VDI shares its circuit design with the renowned D.W. Fearn VT-I/F, known for delivering outstanding dynamics and headroom. It enhances the depth, warmth, and detail of electric and electronic instruments, adding richness to electric bass, guitar, and even piezo-equipped acoustic instruments. Whether you're using vintage or modern synths, the VDI brings new levels of clarity and power to your sound.
Versatility for Stage and Studio
Designed for versatility, the VDI excels both on stage and in the studio. It enhances instrument tone with its all-triode tube circuitry, providing a rich, dynamic response across a variety of instruments. From live performances to critical studio recordings, the VDI ensures pristine signal transfer and top-tier audio quality.