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Stereo Active Direct Box with NiMH battery

Phantom or battery powered in a rugged steel chassis



Working with the pedigree of our industry standard DI Plus and DI Plus 2 Direct Boxes, we've redesigned and updated our circuitry and packaging, and the end result is our new
DI Plus2 RC Direct Box.

As a manufacturer, ARX is well aware of the problems of disposing of batteries in an environmentally friendly way so we've powered the DI Plus2 RC with an internal long life NiMH (Nickel Metal Hydride) that can be charged off either the phantom power on the mic line, or via the 12V DC input, removing battery "throw away" as an issue. NiMH batteries exhibit no memory effect and a long life recharge cycle.
The new
DI Plus2 RC features a low noise high impedance input buffer with switchable 20dB Pad, and a low distortion high current output stage able to drive the longest cable runs. It represents another major step forward in active direct boxes. Packaged in a dual channel stand-alone format, the DI Plus2 RC represents a fresh look at active D.I. concepts.

Precision engineered
Ultra quiet, ultra clean circuitry delivers maximum headroom whatever the signal. Premium grade components, plus an all-steel chassis gives excellent hum and noise specifications and superb audio quality in a tough, roadworthy package. The DI Plus2 RC features two high impedance unbalanced inputs on the front panel, running to balanced XLR outputs on the rear. Accurate Left and Right channel level matching keeps the stereo image centred.

Level control
The DI Plus2 RC features dual Normal gain high impedance unbalanced inputs on the front panel, running to dual balanced XLR outputs on the rear.

Precision engineered
A global Pad switch drops inputs by 20dB, making it suitable for all applications from the softest keyboard to the hottest broadcast levels.

Automatic Phantom switching



The DI Plus2 RC will automatically switch itself to the console's own Phantom Power, if available, and an LED will indicate this mode. Turn the Phantom Power off and it will instantly revert back to battery mode.

Rugged all-steel case
A lot of direct boxes are fitted into brittle cast alloy cases. Not this one! The tough all-steel inner and outer chassis of the DI Plus2 RC provide excellent RF/EMF shielding while making it a sturdy, heavy duty unit that is hard to dislodge, and hard to leave behind.

Rear panel showing Left and Right XLR connectors, ground lift switch, battery check switch and LED, plus phantom power On LED and 12V DC Input for battery charging if there is no Phantom Power

 

Whether you're a Studio or Live Sound engineer, installation contractor, or broadcast engineer, you want all the dynamics,clarity and stereo information of the original sound source transferred to the mixing console. The ARX DI Plus2 RC provides a rugged, no-compromise solution to all stereo direct injection and signal balancing requirements.

T E C H N I C A L || S P E C I F I C A T I O N S

Max Input Level
+12 dB Phantom powered
+6 dB Battery powered

Input Impedance 1 Meg Ohm

Max Output Level
+17 dB 10K Ohm load Phantom powered
+12 dB 10K Ohm load Battery powered
+11 dB 600 Ohm load Phantom powered
+12 dB 600 Ohm load Battery powered

Output Impedance 680 Ohms Balanced

Output Signal to Noise
-100 dB unweighted
-104 dB A weighted

Dynamic Range
117 dB 10K Ohm load Phantom powered
112 dB 10K Ohm load Battery powered
111 dB 600 Ohm load Phantom powered
107.5 dB 600 Ohm load Battery powered

Distortion 100 Hz .0018%, 1KHz .0028%, 10KHz .0056%

Frequency Response 20Hz to 20KHz, ± 0.2 dB

Gain through Unit: 6dB (Pad switch out)

Pad Switch: Global -20 dB attenuation

Input and Loop Out Connectors
Insulated jacks
(!!!Note that Channel A Input connector switches the unit on when a plug is inserted. Remove plug when storing to avoid battery drain!!!)

Output Connectors
3 pin XLR. Wired Pin 1 Ground, Pin 2 + Hot, Pin 3 - Cold.
Global Audio Ground (Pin 1) lift switch

Construction
All-steel chassis, fibreglass PCB, NiMH battery


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