Product description
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.
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Specifications
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Input Impedance
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1 mOhm (pad at 0dB), 47 kOhm (pad at -20dB or -40dB)
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Max Input
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+9dBu (pad at 0dB), +29dBu (pad at -20dB), +49dBu (pad at -40dB)
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Input Connectors
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Two Parallel 1/4" jack connectors (Tip Hot +ve, Sleeve ground), and a parallel XLR connector (unbalanced) (Pin 2 Hot +ve, Pin 1 & 3 ground)
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Output
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Transformer Balanced
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Max Output
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+8dBu into 600 Ohms or greater
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Output Connectors
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XLR3-32 or equivalent
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THD
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< 0.005% at 1khz, 0dbu output
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Noise
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< -105db unweighted, 22hz-22khz, rms*
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Frequency Response
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30Hz to 20kHz, +0dB/-1dB
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Main/Standby battery
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9 volt PP3 type, preferably alkaline
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Power Consumption
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on phantom: less than 7.5mA, on battery: less than 2mA.
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Phantom Power
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+20 volts DC to +48 volts DC
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Unit Weight
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650 gms, excluding batteries
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Dimensions
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59 mm x 124 mm x 143 mm (2.3" x 4.9" x 5.6")
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