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Purple Audio MC77

Mono 1176 Style FET Compressor Limiter

  • Purple Audio MC77 Angle at ZenProAudio.com
  • Purple Audio MC77 Rear at ZenProAudio.com

Price: $1,650.00


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Stock Item, Usually Ships Same or Next Business Day

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Built To Order: Item is custom built per the options chosen and quickly shipped out upon completion.

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Product Description

This 1176 clone has been on the market for many years for a reason, it's a strong performer and built in the USA with love!

One significant component is the input attenuator. The input attenuator that was custom made for the original revisions A-F 1176 and for the Purple MC76 by Clarostat was discontinued in 2002. It was a J series T-pad attenuator with two 600 OHM “build out” resistors to keep a constant 600 OHM load on the source and primary of the input transformer. Clarostat changed carbon manufacturers and the new carbon manufacturer was unable to make the part. Purple temporarily stopped making the MC76 to find a solution. We tried several three deck Clarostat 70 series pots in different configurations to achieve the same loading and to match the taper. We found a solution that matched the original. Based on that feedback, from hundreds of satisfied MC76 users we incorporated useful new features into the new MC77.

Inherited from the MC76

  • Discrete Transistor Audio Path Electronics
  • Single Element Class A Output Amplifier
  • Transformer Balanced XLR Inputs and Outputs
  • Zener Shunt Regulated Audio Power Supply
  • Compression Ratios – 4:1, 8:1, 12:1 and 20:1
  • Fast Attack Time – 20 to 800 microseconds
  • Release Time – 50 milliseconds to 1.1 second
  • Gain of 45dB (full gain with no limiting)
  • Ruggedized Design – PCB stiffener, chassis mounts
  • Purple Anodized Aluminum Front Panel

New on the MC77

  • True Bypass via sealed relay w/front panel switch
  • Improved stereo linking w/front panel switch
  • Sidechain insert loop or key input w/front panel switch
  • Buffered VU meter can monitor input or output level at +4dBu
  • LED meter lights that don’t burn out
  • Heavy gauge black cold rolled steel enclosure
  • 155v/230v operation switchable from rear panel

Product Videos

Purple Audio MC77 1176 Compressor @ ZenProAudio.com

  • Purple Audio M...

Warranty Information

Our ONE WITH EVERYTHING ZEN WARRANTY adds a full year to the standard manufacturer warranty at no charge, see our ZEN WARRANTY page for details.

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