United Studio Technologies VINTAGE DIRECT Vintage-Style Large-Transformer Direct BoxThe purest tone possible. . Uniteds Vintage Direct bridges the gap between old school tape operators and modern recordists. When the most demanding recording engineer needs the very best, the Vintage Direct delivers massive sound from its massive transformer. Its circuit design is based around eliminating any of the potential tone robbing components in the signal path that youre likely to find in a lesser DI Box. When you need the very best, the