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API 527 500-Series Compressor/Limiter
Features
• Audio circuit uses the 2510 and 2520 Discrete Op Amps with transformer output
• Continuously variable detented Threshold control
• Continuously variable detented Attack and Release controls
• Continuously variable detented Ratio control
• Output Fader level control
• 10 segment VU/Gain Reduction meter with selector switch
• Overload LED
• "Link" switch for multiple unit interdependent compression linking
• "New"/"Old" switch for feed-forward or feed-back compression
• "Hard"/"Soft" compression curve knee switch
• Patented THRUST® switch for frequency dependent side chain control
• "IN" switch with hard relay bypass when in the "Out" position