DUAL Z Direct
Dual Professional Passive Direct Box
The DUALZDirect provides two independent high
quality totally passive interfaces that let you connect
instrument, line, or speaker level signals to a mixer
or other balanced inputs through high performance
audio isolation transformers. Each of the high impedance
single-ended 1/4" inputs is converted by a transformer
into an isolated, balanced, low impedance signal output
. The DUALZDirect's audio transformers have an extremely
flat and wide frequency response and can handle high
signal levels. This gives the DUALZDirect a very clean
and neutral sound with a wide variety of signal sources
and over long signal runs in high noise environments.

The input ATTENUATOR switches allow for a wide range of
signal levels and the input THRU jacks allows for tapping
off of your signal chain. The GROUND LIFT switches let you
totally separate the input and output signal grounds, when
appropriate, to isolate two systems, thereby reducing hum
and ground-loop noise.

What further sets the DUALZDirect apart from other "DI" boxes
are its extended features and versatility. We have added
switchable low pass FILTERs that cut out all very high frequency
interference. These Bessel filters on the outputs are placed out
of the audio range and are primarily intended to reduce radio
frequency interference before it gets into the main system.
The filters are also very effective in reducing any digital computer
noise artifacts when using the DUALZDi