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SKU

174007

Heritage Audio Herchild 670 Stereo Tube Compressor

Two-channel version of the legendary Fairchild tube-based compressor starring the addition of DC Threshold control and SC Filter with 4 frequencies to choose from

MFR# 670

Product Description

The Heritage Audio HERCHILD 670 Tube Compressor is a clean and intelligently designed tube-based compressor featuring a legendary sound finally available to everyone.

After decades of being so rare, hard to come by, and almost considered mystical and nearly impossible to acquire, most people just assumed they'd never be able to actually use this legend but don't worry, the HERCHILD Model 670 is finally here for everyone.

For years the industry has referred to this tube-based beast as something special, unique, and even magic-like. The original Fairchild has indeed been an essential part of the sound to so many hits during several decades... It certainly has earned its title as the ́grandaddy ́ of all compressors. Being based around 22 valves and 9 transformers you can be sure the HERCHILD Model 670 will imprint its signature sound all over your tracks providing that familiar tone that all love. Although it was originally designed to be used for cutting lacquer masters for vinyl albums it didn't take long for engineers to realize that it could do much more. It soon became an essential studio tool for many innovative artists, engineers, and producers and could be found in most professional studios.

As there were only about 500-1,000 units originally produced there just simply aren't enough to go around for everybody. Add to that the original requires quite a lot of special maintenance and after nearly 60 years there just simply aren't many still in good shape. So that ́s where Heritage Audio comes in...

Heritage Audio has been able to successfully follow the original design and trace the necessary components to provide a modern-day alternative. It ́s taken Heritage Audio years, but Heritage Audio feel they've finally produced something so special that it's capable of letting the old grandaddy take a long-deserved rest, and make room for the new blood to take over. While staying true to the original in terms of response and sound, Heritage Audio has been able to add a few things to make it more practical in modern-day studios. First off Heritage Audio has given direct access to the continuously variable slope control. This is something that makes the compressor so much more flexible and was only available on the original via an inconvenient screw adjustment hidden from immediate access. Then there ́s the SC FILTER. Nowadays, it ́s just about impossible to fathom a compressor without this feature as it ́s become so important in everyday use. Here Heritage Audio provided 4 different frequencies to choose from to precisely tailor your compression needs. Heritage Audio also faithfully reproduced the exact attack and release times in the Time Constant section so you can confidently recreate the feel of its ancestor. The HERCHILD Model 670 is a two-channel unit so you have the option to use them independently or linked together. There are actually 4 modes of operation: Individual, Link(Stereo), LAT/VERT(MID/SIDE) & LAT/VERT Link. Using the LAT/VERT mode provides a whole new world of options to your mix.

So finally, after so many years of this being unobtainable to mere mortals, the HERCHILD Model 670 is here and within reach of everyone. Enjoy the sound that has blessed thousands and thousands of hits throughout the years. Feel the warmth as it hugs your tracks and makes them stand out proudly from all the rest.

DC THRESHOLD SETTINGS

The HERCHILD Model 670, just like the original, uses a progressively developing ratio curve so it is not possible to describe the ratio as 2:1, 10:1, or anything so exact.

SC FILTER

This is a side chain filter applied only to the control signal to decide if and where the HERCHILD Model 670 will be less sensitive to certain frequencies. There are 5 choices available: 50, 100, 200, 350 Hz and OFF.

FEATURES:

  • Fully tube-based compression Sidechain filter for modern-day needs
  • Immediate access to the continuously variable slope LAT/VERT mode makes MID/SIDE processing possible
  • Clean, intelligent design to guarantee many years of use
  • That legendary sound finally available to everyone
  • 4 modes of operation: Individual, Link(Stereo), LAT/VERT (MID/SIDE) & LAT/VERT Link
  • Time Constant Settings
  • Line Inputs (x2): Female Gold Plated XLR Connector
  • Line Outputs (x2): Male Gold Plated XLR Connector
  • Valves: (22) User changeable valves with easy access
  • Power Input: IEC standard power input connector
  • Voltage Selector: Here you can select the correct voltage input according to the country you are in

Product Specifications

ConditionNew
Unit Weight29.3 lb
Tube or Solid StateTube
ChannelsDual-Channel
Chassis19-inch Rack-mount
Rack Spaces6u
Input ConnectorsAnalog XLR
Output ConnectorsAnalog XLR
Impedance2 kOhms (input); 600 Ohms (output)

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