Professional active injection box, provides a balanced low impedance signal from an unbalanced high impedance signal, has three attenuation levels, and ground disconnection. The entrance has a parallel jack to bypass it. It is powered by 9v batteries or by phantom.
Offering clear audio quality along with tour-ready reliability, the BSS AR-133 is an active DI box capable of being powered by a 9V.o battery via phantom.
It has a -20dB and -40dB attenuator to control the “hottest” signals, which makes the AR-133 suitable for instrument, line or amplifier levels. A ground switch has also been installed to help remove the buzz from the power grid and ground loop problems.
Parallel jack inputs allow linking to bass and keyboard configurations prior to stage amplification, with a balanced XLR input and output allowing for a professional connection in audio systems.
Input impedance: 1 mOhm (pad at 0dB), 47 kOhm (pad at -20dB or -40dB)
Maximum input: +9dBu (pad at 0dB), +29dBu (pad at -20dB), +49dBu (pad at -40dB)
Input connectors: Two 1/4″ jack connectors in parallel and one XLR connector in parallel.
Output: Balanced Transformer
Maximum output: +8dBu into 600 Ohms or more
Output connector: XLR3-32 or equivalent Noise THD
Frequency response: 30Hz to 20kHz, +0dB/-1dB
Main/backup battery: 9 volt PP3 type, preferably alkaline
Power consumption: phantom: less than 7.5mA, battery: less than 2mA.
Phantom: +20 volts DC a +48 volts DC
Unit weight: 650 gms, excluding batteries
Dimensions: 59 mm x 124 mm x 143 mm (2,3″ x 4,9″ x 5,6″)
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