RIO A2
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INTRODUCTION
Thank you for purchasing Costling Audio RIO A2 Direct Box. The Costling Audio RIO
A2 Direct Box is a professional Direct Injection Box.
DI stands for " Direct Injection" and DI Boxes are also called Direct Boxes. You need to
use Direct Boxes if you wish to convert a high impedance instrument signal or an
unbalanced signal into a format that will be suitable for direct conn-ection into a mixer.
With the Costling Audio RIO A2 Direct Box:
a.You can convert a high impedance signal into a low impedance signal.
b.You can convert an unbalanced signal into a balanced signal.
c.You can convert a line level signal into a microphone level signal for connection Into
the Microphone input of the mixer.
d.You can isolate the instrument on stage from the mixer. In such way you can
Eliminate noise caused by the ground loop.
There are basically two different kinds of Direct Box on the market: Passive and active.
Both will be connected to the MIC input of the Mixer but active boxes such as your RIO
A2 Direct Box perform better and produce better frequency res-ponse. Enjoy your
Costling Audio RIO A2 Direct Box and make sure to read this Manual care-fully before
operation!
FEATURES
● XLR input and output connectors.
● Converts unbalanced input into balanced output.
● Phase problems instantly corrected through PHASE INVERSION switch.
● Ground loop problems eliminated via GND LIFT switch.
● 8kHz High cut Filter available for guitar applications.
● 1 CHANNEL Direct Box for applications in recording studio and stage.
● Special transformer decoupling in order to avoid hum and noise pick-up.
● Outstanding audio performances insured by ultra-low noise operational amplifiers.
RIO A2
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SCHEMA A BLOCCHI
