Proel DB2A - Active 2-channel D.I. BOX
Proel DB2A - Active 2-channel D.I. BOX
₹9,975

Proel DB2A - Active 2-channel D.I. BOX

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Proel DB2A
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₹9,975

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Input Section  
Input Impedance 200K Ohm  (pad at 0 dB)
  47k Ohm (pad at -20 dB)
  47k Ohm (pad at -40 dB)
Max Input Level +5 dBu (pad at 0 dB)
  +25 dBu (pad at -20 dB)
  +35 dBu (pad at -30 dB)
Connectors 2 x 1/4" jack + 1 x RCA (unbalanced)

Output Section  
Output Active discrete devices (transformer less)
Max. Output Level into 600 Ohms or greater
  +5 dBu (for 0.1% THD at 50 Hz)
  +5 dBu (for 0.1% THD at 1k Hz)
Connector XLR-M

System Performance  
Insertion loss < 1 dB
CMR > 50 dB
Phase distortion +20° at 20 Hz, -30° at 20k Hz
Distortion (THD 20-20k Hz 0dBu) < 0.007 %
Noise < -105 dBu unweighted 
Frequency Response 10 Hz to 40 kHz, +0dB/-1 dB 

General  
Controls On/off, Pad -20, Pad -30, Gnd Lift.
Indicators On
Phantom Power +24 volts DC to +48 volts DC 
AC/DC adaptor +9 volts DC
Standalone/Standby 9 volt PP3 type battery
Current consumption less than 8 mA
Dimensions (WxHxD) 215 x 50 x 125 mm
Weight 1.06 kg (2.34 lb)
D.I. Boxes (Direct Injection Boxes) are part of the essential set of tools required for any professional live sound situation or any application where the audio devices feature diff erent levels, impedance and connections. Transforming audio signals from unbalanced to balanced, D.I. Boxes reduce the possibility of electrical disturbances on the line - especially over long cable runs such as from a musical instrument to the FoH mixing console. The DB series includes three different models of high-performance D.I. boxes: a single channel active (DB1A), a single channel passive (DB1P) and a dual channel active (DB2A). The circuitry of each model has been designed with the maximum care, using carefully selected electronic components, such as isolation transformers (DB1A, DB1P) and low-distortion ICs. This guarantees a clean, hum-free signal transmission from the instrument to the mixing consoles, even on very long cables, without impedance matching problems. On the front panels, a wide choice of connectors is available (XLR, JACK and RCA, depending on the model), allowing easy connection from a wide range of sources, including keyboards and samplers, guitars and basses, PC audio cards and any type of music player. The ACTIVE versions can be powered by 48 V phantom power from the mixing console, by a 9 V battery or, in large applications using many DI BOXES, by an external 9 V power adapter that can be daisy-chained using the double power connector on the rear panel. The innovative mechanical design of the three models includes an aluminum shell and rubber corners, which provide maximum protection in the toughest situations. When the two rubber corners are removed, two guides are exposed, allowing the coupling of two DI units, which can then be mounted in a 19” standard rack (rack ears included). This unique feature is extremely convenient for engineers who need to use a large number of DI BOXES in the same application.

RACK mountable - STEREO configuration: one unit can be used for a stereo device
High dynamic headroom with minimum phase and harmonic distortion
High input impedance reduces loading
Very good electronic performance thanks to SMD components and low noise IC
Very efficient ground lift circuitry
JACK, RCA and  XLR connectors with link possibility
All the connections on the same side
-20 dB, -30 dB PAD
Powering options: 9V battery, +48V, external AC/DC adaptor supply

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