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BSS Audio, Ltd. - AR-133
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Active Direct Box for Musicians, Studios and PA Companies

Model: AR-133

  • Switchable input attenuation: 0dB for guitar-type pickups; -20dB for line level signals; -40dB for speaker feeds
  • Matches the level and impedance with unity gain without loading the source
  • Can drive signals up long cable lengths
  • Powered from console phantom power or internal battery
  • Automatic switchover to battery if phantom power fails
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The unit includes phantom power and battery supplies as standard. Should the phantom power from the console fail or be accidentally switched off, the AR-133 automatically switches over to the internal 9V battery providing uninterrupted use. The unit is housed in a rugged aluminium extrusion case, with robust polyurethane end-cheeks which give the AR-133 a very distinctive look. Input connectors are both 1/4" jack sockets and an XLR socket, the latter meaning that the AR-133 can be used to convert unbalanced signals to a balanced output on XLRs throughout. The arched case allows cables to run back underneath the unit from the end for neat cable management. Input attenuation is 0, -20 or -40dB, making the box suitable for instrument, line or amplifier levels on inputs. On the output side, a ground-lift switch is provided for quick solutions to ground-loop problems. The AR-133 uses an enhanced version of the same audio path as the AR-116, now regarded by many people as a reference standard. The sound quality is legendary, particularly on acoustic and bass guitars. Numerous applications can be satisfied by the AR-133. For example, as well as the traditional guitar use, the AR-133 can be used with keyboards, DJ consoles, amplifier outputs, and other electronic sources. An additional bonus is the ability to use the AR-133 as an active balancing device.
  • Switchable input attenuation: 0dB for guitar-type pickups; -20dB for line level signals; -40dB for speaker feeds
  • Matches the level and impedance with unity gain without loading the source
  • Can drive signals up long cable lengths
  • Powered from console phantom power or internal battery
  • Automatic switchover to battery if phantom power fails
  • Parallel Link Jack output to feed amplifiers directly
  • Parallel XLR input for converting unbalanced outputs to balanced lines
 
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