1176 Rev F Stereo Pair with Active Link Cards - This is a brand new stereo pair of Hairball 1176 Rev F (with Orange Drop Mod) compressors with Purple Audio designed active link cards installed... plus a link cable. We are an authorized builder for Hairball and offer a one year warranty on all new units.

Made to Order: This item is a special order and can take up to 30 business days to ship. Since this is a custom unit, no returns are accepted unless it is defective. Custom units still have our one year warranty.

Faceplate Option: If you would prefer an all black faceplate - we can do that... just specify at the time of order. The power button will still be red, but other than that it will look more like a traditional Rev F.

Description: Traditionally, the Revision F has a black faceplate and looks just like the Revision D. In many cases, original units are confused for Rev C/D/E's with engineers mistakenly thinking of the revision F as a silver faced unit. To give this underrated revision a unique look, we've added a red stripe and red off button cap. Though the Revision F is cleaner than the A or D, it's not dull or boring. In fact, it's the favorite of many at Hairball Audio. It imparts that classic FET compression while adding a glossy, polished sound to the source material. Frankly, it makes everything sound like a better version of itself. A favorite of top engineers, including Bruce Swedien, this is a flavor unique to the predecessors. Like the Revision A and D, the input uses an O-12 transformer and the signal is attenuated at the input with a 600Ω T-pad. The output is class A/B, utilizing a B11184 output transformer.

The Orange Drop mod replaces some of the standard film capacitors with Orange Drop capacitors as used in the Rev A version. This adds in some of the harmonic distortion from the Rev A type circuit without the added noise.

  • All the parts needed to complete the build
  • Revision F (v1.12) PCBs designed by MNATS
  • Black anodized front panel with red stripe made in Seattle, USA
  • Custom 18 gauge steel zinc plated enclosure made in Seattle, USA
  • Custom Ed Anderson O-12 reproduction input transformer made in the USA
  • Custom Ed Anderson B11148 reproduction output transformer made in the USA
  • Custom Ed Anderson 11754 reproduction power transformer made in the USA
  • Custom BI Technologies T-Pad input attenuator
  • Interlocking push button switches with “All Buttons In” mode
  • Fully discrete audio path including capacitors selected by ear from Kemet, Nichicon, Panasonic, Vishay, United Chemi-Con and Elna
  • Bourns trim pots
  • Neutrik XLR connectors
  • JST connectors and pre-assembled wire harnesses
  • 120/240 voltage select switch
  • 1% metal film resistors
  • Matched FETs
  • Authentic control knobs

Product Photos:  All photos of the product are original photos taken in-house of units built at Process Haus.  

Warranty:  Parts and labor are covered for one year for component level failure due to normal operational use.  

This item is sold As-Described

This item is sold As-Described and cannot be returned unless it arrives in a condition different from how it was described or photographed. Items must be returned in original, as-shipped condition with all original packaging.Learn More.

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ConditionBrand New (New)
Brand New items are sold by an authorized dealer or original builder and include all original packaging.Learn more
Brand
Model
  • 1176 Rev F
Finish
  • Black & Red
Categories
Year
  • 2026
Made In
  • United States

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Process Haus

Naperville, IL, United States
Joined Reverb:2019

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