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Pro 2 Channel Tube Compressor

Product Code 44229

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The Pro VLA by ART is a tube driven Vactrol-based Compressor/Leveling amplifier designed to excel in any professional audio application including tracking mixing mastering live sound or broadcast situations. By using an opto-electronic design (as opposed to a more typical VCA driven level detection circuit) the Pro VLA II allows more compression to be added to an audio source with a more natural musical sounding output and virtually transparent dynamic leveling. This VCA-less design coupled with a 12AT7 vacuum tube in the gain stage makes the Pro VLA II tube compressor the ideal dynamic control device for critical studio and live sound applications.

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UPC: 840402018254

- Vactrol Opto-compression design (No VCA)
- Mastering-quality audio signal path with tube gain stage
- Enhanced link mode
- Variable threshold ratio and output controls
- LED backlit VU input/output level metering
- LED metering indicates both average level and peak hold
- Accurate ten segment LED gain reduction metering
- +4dBu/-10dBV mode switch
- Active-balanced XLR and 1/4" inputs and outputs
- Toroidal transformer reduces mechanical and electrical hum
- While in stereo link mode channel 1 level control acts as a master output level and channel 2 becomes a balance control between them-optimizing the Pro-VLA II for use as a mastering tool

Maximum levels:
- Range switch: +4dBu/-10dBV selectable
- Inputs: +20dBu (in +4dBu mode) / +10dBV (in 10dBV mode)
- Output: +20dBu (R load > 10K 0.1%THD)
- Output Gain: +20dB max

- Frequency response: 10Hz to 100KHz (+/- 0.5dB)
- Dynamic Range: >100dB (20-20KHz)
- THD: @ 0dBm Out <0.1% (typical)

Equivalent Input Noise (EIN)
- @+4dBu: -99dBu ('A' weighted)
- @-10 dBV: -107dBu ('A' weighted)

- Attack time: 0.25msec. to 50msec. variable
- Release time: 150msec. to 3 sec variable
- Slope variable: 2:1 to 20:1
- Max. attenuation: 30dB

- Dimensions: 3.50" H x 19.0" W x 9.17" D (89 mm H x 483 mm W x 487 mm D)
- Weight: 10.5 lbs. (4.8 kg)
- Input impedance balanced/unbalanced: 10K Ohms

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