The interfacing of multiple audio sources allows the introduction of noise or the potential of ground loops. Transformer isolation is a proven technique for avoiding these problems. Digiflex has designed a dual channel isolation box using high quality transformers encased in a rugged metal box with recessed connectors (XLRs in and out) and ground lift switches. Transformer isolation is the ideal solution for common mode noise rejection and can prevent RFI noise from entering the audio system.
Studio Economik New 500 series preamp from Geoffrey Daking featuring vintage Trident A Range tone, Jensen input transformer and Class A circuitry. The variable high pass filter is indispensable for tracking sessions!