Hazelrigg Industries VDP
Dual-Channel Vacuum Tube Microphone Preamp and DI
Handbuilt in the US
Building on the legacy and design philosophy of the legendary D.W. Fearn and crafted by Hazelrigg Industries.
Pure Tube Signal ::: VDP is a handcrafted, two-channel preamp and DI featuring an all-tube signal path and transformer-coupled input and output stage, adding natural harmonic depth and musicality. Drawing from the acclaimed tube preamp and power design of the D.W. Fearn VT series, VDP brings the signature character and tonal richness of the vintage classic, paired with cleaner headroom, lower noise, and modern reliability.
The Definitive Input Stage ::: An intuitive front end with a world-class tube stage to enhance any source and to complement all microphones. With +6bs of gain more than the VLC and DWF VT-2, the VDP offers higher headroom, more saturation, and a nuanced flavor unique to the DWF Hazelrigg lineup.
Clean gain for ribbons, articulate for condensers, and deep headroom for your loudest dynamics.
DWF Hazelrigg VDP | Handcrafted Two-Channel Tube Preamp & DI
Pure Tube Signal. Definitive Character.
The VDP is a premium two-channel preamp and DI designed for the modern studio that demands the soul of vintage vacuum tubes without the compromises of legacy noise floors. Handcrafted in the USA, the VDP combines an all-tube signal path with transformer-coupled inputs and outputs to deliver natural harmonic depth, musical saturation, and a polished sheen.
The D.W. Fearn Heritage, Refined
Drawing its DNA from the legendary D.W. Fearn VT series, the VDP is rooted in the acclaimed preamp and power design that shaped decades of hit records. However, the VDP stands on its own: offering its a unique flavor, higher gain and more saturation than the VT-2, and providing a nuanced "shine" and articulate detail unique to the Hazelrigg lineup.
Key Features :
Transformer-Coupled I/O: Experience rich musical saturation and isolated signal integrity from input to output.
Massive Headroom & Gain: With +63 dB of gain, it provides clean lift for hungry ribbon mics, articulation for condensers, and deep headroom for high-SPL sources.
Front-Loaded Flexibility: Quick-access Mic/DI inputs on the faceplate allow for instant instrument tracking, while rear XLR inputs remain ready for permanent studio patching.
Precision Control: Integrated High Pass Filter and -20dB Pad allow for total gain-stage management before the signal hits your converters.
Flight-Ready Safety: Features the signature DWF aircraft-inspired locking +48V phantom power switch to prevent accidental engagement.
Phase Alignment: Dedicated Polarity Reversal switch for perfect phase management in multi-mic setups.
Technical Specifications
Gain
+63 dB (minimum)
Frequency Response
±0.6 dB (20 Hz to 20 kHz)
THD
<0.5% (15 Hz to 15 kHz)
Signal-to-Noise Ratio
74 dB (minimum)
Input Impedance
150 ohms (optimized for 1.5k-ohm load)
Tube Complement
(2) 6072A & (2) 12AT7 (low-noise selected)
Output Type
Low-Z, Transformer-balanced
Power Supply
Fully regulated solid-state B+, Filament, and +48V
In the Box
DWF Hazelrigg VDP Two-Channel Preamp
Power Cable
Manual & Warranty Information
Handbuilt Heritage: Every VDP is proudly manufactured in the USA, ensuring the highest standards of audio performance and build quality for the most discerning engineers.
