Introducing the Hazelrigg Industries 4DI, the latest addition to the Solution Series, featuring four channels of Doug Fearn's renowned VT-I/F Direct Injection Box circuits in a space-efficient 2U rackmount design. A reimagination of the classic D.W. Fearn VT-1/F, this tube DI interface and passive 4-way LC equalizer are perfect for both studio and stage applications, delivering exceptional results with amplified acoustic instruments, electric bass, guitar, and synthesizers. The front panel includes locking ¼” instrument input sockets, ground lift switches, and LED indicators, while the rear panel features ¼” input and passthrough jacks, microphone level outputs on XLR connectors, and essential power controls. With the same high-headroom circuit design as the VT-I/F, the 4DI promises stunningly dynamic results across various musical applications.
Four Channels of VT-I/F Direct Injection Box: A reimagined classic design for amplified acoustic instruments, electric bass, guitar, and synthesizers.
Convenient 2U Rackmount Design: Ideal for House of Worship, FOH live situations, and recording studios.
Front Panel Features: 4 locking ¼” instrument input sockets, ground lift switches, and LED indicators for signal and ground lift.
Rear Panel Connectivity: 4 sets of ¼” input and passthrough jacks, microphone level outputs on XLR connectors, IEC mains socket, power switch, and 115V-220V mains selector.
High-Headroom Circuit Design: Delivers stunningly dynamic results on electric bass, guitar, synths, and piezo-equipped acoustic instruments.
All-Tube DI Circuit Originally Designed By D.W. Fearn
4 Front Panel Instrument Inputs On Locking 1/4” Jacks
4 Front Panel Ground Loop Switches On Locking Toggles
4 1/4” Rear Panel Instrument Input And Pass-Through Jacks
4 Rear Panel Microphone Level Outputs, Each On XLR Connector
All Steel 2 Space Rackmount Design
Hand Crafted in the USA
7 Year Warranty (90 days for vacuum tubes)
Start with the customer – find out what they want and give it to them.