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Purple Audio - ACTION Fet compressor (rack500)

Purple Audio
 
Purple Audio - ACTION Fet compressor (rack500)
 

Purple Audio Action FEt test

 
 
"(...) W przypadku kompresora Action mamy do dyspozycji jakość "dużego" MC77 w kompatowych wymiarach i dość rozsądnej cenie (jak na obowiązujące obecnie ceny firmowych klonów 1176)" - Tomasz Wróblewski  test w EiS 09/2010. 
 
 
Test Purple Audio Action - Etrada i Studio 09/2010 - format pdf
 
 
 
 
 
 
 
 
 
 
Purple Audio - ACTION
    A FET compressor reminiscent of the MC77. Designed to work in standard "500" racks.
     
    The Action features the same type of input attenuator and input transformer as our MC77 units. A Class A KDJ3 follows the input transformer followed by an output fader, Class AB KDJ4 output opamp and ourcustom hexifilar Cinemag Nickel output transformer. In the center of the unit is an Surface Mount, SMT sidechain and stereo link amplifier, below that is our SMT compression meter driver, behind that is the SMT input and output meter driver.
 
     
    The attack and release times are a bit more extreme than the MC77 which can cause distortion which may or may not be what you are looking for. Use at extremes with caution.      
 
    
    Stereo linking is accomplished by cross connection pin 3 & 6 on the edge connector. Possible by using a phase flip xlr female to xlr female connector on the Purple Audio racks. Other racks will need connector wiring modification. most racks do not have any connection to these two pins.
     
     
     
 
 
 
 
 
 
  
  Features:

        * Input attenuator feeding input transformer
        * Output level control
        * Input and output tricolor LED metering
        * Eight LED GR metering
        * Five ratios including "All buttons in" mode
        * Attack and Release controls
        * True Relay Bypass
        * Stereo Linking
   * Compression on/off switch
            * Discrete signal path
            * Over Current Resettable Fused (prevents any module problem from affecting your rack
     * ROHS - Lead Free
 
 
    For easy serviceability and tweaking, the Purple discrete opamps can be replaced with any standard discrete opamp or a DIP-8 IC.

    Specs:

        * Total Gain: 45dBu
        * Ratios: 2:1, 4:1, 12:1, 20:1, ∞:1 ("All buttons in")
        * Attack time: Continuously Variable from 800 microseconds to 20 microseconds
        * Release time: Continuously Variable from 1.1 seconds to 50 milliseconds
        * Input impedance: 600 ohms
        * Output impedance: 600 ohms
        * Current consumption: 90ma

    Action Pinout
        * Pin 1: Chassis Ground
        * Pin 2: Output A +
        * Pin 3: Link In - (Purple Audio Rack Only - XLR OUT 2)
        * Pin 4: Output A -
        * Pin 5: Audio Ground
        * Pin 6: Link Out - (Purple Audio Rack Only - XLR OUT 2)
        * Pin 7: Input -
        * Pin 8: Input -
        * Pin 9: Input +
        * Pin 10: Input +
        * Pin 11: Audio Ground
        * Pin 12: +15 or 16VDC 90ma
        * Pin 13: Audio Ground
        * Pin 14: -15 or 16VDC 90ma
        * Pin 15: NC (+48VDC)
 
 
 
Action Rack