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Buzz Audio SOC-1.1 – No Longer Available

Stereo optical compressor
MFR# SOC-1.1

Product Description

It is generally well known that optical compressors are an excellent choice for compression on low frequency sounds, and the Buzz Audio SOC-1.1 is a great example. This piece is an excellent choice for tracking bass guitar, but will also find application on vocals and other general compression tasks.

The SOC-1.1 Audio Compressor is based on the Light Dependant Resistor (LDR) technology from the past, but incorporates a unique "Differential Drive Side Chain" topology and our own Opto module design to create a more adjustable and faster compression characteristic.  Gain reduction is totally passive, there are no distortions introduced from semiconductor elements and the signal path is kept to a minimum.  LDR selection and matching within a stereo unit ensures accurate tracking compared to vintage LDR designs.

A common problem with older opto compressor designs (and many modern ones!) is the inherent slow attack time of the LDR elements, which can cause sibilance problems and audible "pumping" effects.  A special "speed up" circuit within the side chain section of the SOC-1.1 effectively reduces the attack time to less than 1mS (in fast attack mode).  We believe this is the fastest attack time of any LDR based compressor on the market today and makes it suitable for stereo mixdown (2 buss) compression tasks.

All the features available on the SOC-1.1 allows users to create many different flavours of compression, from full on squash to just gentle levelling.  A very useful piece of kit destined to become a classic.

Product Specifications

Condition New
Tube or Solid State Solid State
Channels Dual-Channel
Chassis 19-inch Rack-mount
Rack Spaces 2u
Digital I/O No

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How do you rate this product?
I would like to thank VK for the wonderful sales assistance, service and prices. This was my first purchase with you and it won't be my last. I only wish I'd discovered you years ago!
Matthew R.
I had two Grammy wins this year - Ray LaMontagne & Carolina Chocolate Drops. Both made with help from Vintage King!
Ryan F.
In almost 20 years in Pro audio buying, never did I receive a unit so well packed and exactly as described. Works flawlessly. The whole process has been so smooth. I will never hesitate to do business with you guys in the future and will recommend you to everyone I know.
Martin C.
This was my first experience buying something from Vintage King (although I surf the "used" categories on the website frequently!), and, despite being on the other side of the world, I had absolutely no trouble and everything went very smoothly.
Phil T.