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Shadow Hills Industries

The Shadow Hills Mastering Compressor has extraordinary functionality, and also provides mastering grade compression and limiting for tracking and mixing. Essentially it is two compressors in series, per channel, that can act in stereo, or dual mono. First comes our mastering grade electro optical compressor, followed by our discrete Class-A compressor/limiter. Both feed our switchable custom output transformers, Nickel, Iron, and Steel. There is enough gain in each section to overdrive the hottest tape, or clip your converters, if you're into that sort of thing. The input stage is transformer balanced, followed by our fully discrete optical compressor. This section utilizes the same T4B optical attenuator as the LA2A and LA3A, but is optimized for mastering. The second stage is our discrete Class-A VCA compressor. There are no electrolytic caps or IC chips in the audio path. There are six ratios: 1.2 to 1, 2 to 1, 3 to 1, 4 to 1, 6 to 1, and 10 to 1. There is six attack settings: .1, .5, 1, 5, 10, and 30 milliseconds. And there are six release times selectable: .1, .25, .5,8, 1.2, and Auto. There is an insertable filter in the side chain to limit pumping with bass heavy material. Lastly the signal goes through our new Shadow Hills custom transformer-switching network. The first position is Nickel, which is our custom version of a famous L. A. custom console. Next is Iron. In this mode the signal goes through our op-amp and into a Class-A output stage then to our custom Iron transformers, the last transformer position is Steel. These selections allow you to choose between different output transformers that are in effect: clean, colored, and dirty, respectively. The optical section has a hard-wired bypass that completely removes it from the signal path, and the Class-A VCA compressor is also hardwire bypassable, completely removing it from the chain. It is possible to independently bypass both compression sections and have your signal go through the input transformer and transformer selector only. There is also a hardwire bypass for the entire compressor, effectively a strait wire in and out of the box. So besides being a mastering grade, and highly functional buss compressor, it serves as an excellent tracking compressor. For instance, you might call up the chain of the optical compressor, then to the Class-A output and Iron transformer, for vocals, or select just the Class-A VCA compressor with a 10:1 plus the Steel transformer for crushing some room mics, and on and on. The metering can reflect, optical gain reduction, discrete gain reduction, or output level. The Magic eye tube follows the output meter to act as a peak meter. All 17 of the rotary switches are detented. The front panel is engraved. The knobs are bake-lite. <a href="http://instantvintage.net/docs/Shadow_Hills_Mastering_Comp_Resolution_Oct_2010.pdf" target="_blank"><img src="http://instantvintage.net/docs/resolution_oct_2010.jpg" alt="Resolution October 2010" name="" width="150" height="182" hspace="3" align="left" border="0"></a><a href="http://instantvintage.net/docs/Shadow_Hills_Mastering_Comp_Resolution_Oct_2010.pdf" target="_blank">Read the Shadow Hills Mastering Compressor Review, Resolution, October 2010</a>

Shadow Hills Industries Mastering Compressor
Mastering grade compressor/limiter for tracking and mixing. Requires Shadow Hills PSU (not included).

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The Shadow Hills Equinox is like
 a complete small-format recording console in just 2 rack spaces. It 
features 2 GAMA mic preamps, 30 channels of analog summing, and a 
mastering-grade monitor controller. 
 
Microphone Preamp 
The mic preamps are the Golden Age Microphone Amps.  Each has 60dB of 
gain, 24 position gold-plated stepped attenuators, 48V Phantom Power, 20
 dB Pad, Phase Reverse, and 1/4” DI Input. The most exciting feature of 
the amplifier section is the switchable output transformers, which allow
 for several different sonic flavors in the same box. The transformers 
and characteristics are as follows: 
<ul><li>Steel Transformer (hand 
wound to match a favorite 1970's American output transformer.) Tight and
 punchy, the most colored with the biggest low end.  The sound of rock 
and roll.</li><li>Nickel Transformer (hand 
wound transformer based on a L.A. custom console.)  Super clear and 
wonderful sounding, but with a subtle and musical smoothing of the 
transients.</li><li>Iron Transformer (modern 
version of the classic St. Ives 1166 Neve output transformer.) - Warm 
and round, with a super detailed and present mid-range. </li></ul>
 
Summing Network 
The summing buss is a 30-channel mixer utilizing copper buss bars and 
esoteric resistors, for simply the finest sounding passive summing.  DAW
 inputs 3-24 are STEREO summed and distributed odd to left and even to 
right, while DAW inputs 25-32 are sent MONO to both channels of the 
summing network. The summed signal then passes through the Golden Age 
amplifiers with selectable output transformers.  Effectively allowing 
the user to choose between the sounds of three different consoles on the
 mix bus.  
 
Monitor Section 
The monitor section features: choice of 4 input sources, choice of 3 
speaker outputs, 24 step Monitor Level control, Monitor Level DIM 
switch, switch to engage built-in Talkback Mic, Cue output, and 
Stereo/Mono switch. 
 
With the INPUT SELECT switch in the: 
<ul><li>DAW 1-2 position the Equinox monitors the stereo mix output of the
 user’s DAW.  In this mode, the incoming DAW 1-2 signal bypasses the 
GAMA amplifiers and feeds the Monitor Level control.  This allows the 
user to employ the Equinox’s mic preamps standalone and record/monitor 
them through the DAW’s I/O.</li><li>MIX 3-32 position, the Equinox monitors the summing network after passing through the GAMA’s. </li><li>EXTERNAL position, the Equinox is able to monitor an additional balanced stereo source via rear panel XLR connections.</li><li>MIC PRE position, the Equinox routes the mic preamp output 
directly to the Monitor Section.  This allows the user to monitor the 
signal coming directly from the preamp, prior to any converter artifacts
 or intermediate processing. </li></ul>
The monitor section also features 3 pairs of Speaker Outputs and a Cue 
(or headphone) Output. Both reproduce what the Input Select is set to. 
Only one speaker output pair may be selected at a time. The speaker 
output level is control by the Monitor Level knob. The Cue Output is 
unaffected by the Monitor Level, and switches to the Talkback signal 
when the Talkback Switch is engaged.  Simultaneously, the Monitor Level 
dims when the Talkback Switch is engaged. 
 
With all these features in a rugged 2U enclosure the Shadow Hills 
Equinox is equipped for the demands of modern recording, but styled and 
crafted to the high standards of a bygone era. 
  
Note: This unit requires the Shadow Hills PSU (not included).

Shadow Hills Industries The Equinox
A mic pre, summing mixer and monitor section all in one. Requires Shadow Hills PSU (not included).

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The Mono is the single channel API 500 series version of the GAMA (Golden Age Microphone Amp), with all the capabilities, features, and quality of the original. The Shadow Hills Mono Gama is centered around our custom discrete op-amp. This no-compromise design exudes hugeness, fidelity, punchiness and depth, across the full frequency range, without becoming veiled or choked. The preamplifier input is transformer balanced and utilizes an original Jensen input transformer. We couldn't decide which vintage output transformer we liked best, so we had our favorites perfectly recreated, and included them all. You can change the output transformer by cranking the knob, thus changing the tonal capabilities to compliment to whatever material you are recording. This allows you to audition different settings to find the perfect match for microphone or direct input without patching and un-patching other preamps, and possibly alleviating the need for EQ. Choose between Nickel, Discrete, or Steel settings. Each transformer position is stellar unto itself, but the capability of switching between them is like having three great pre's in one. All the standard Mic-pre features are present: phantom power, phase reverse, a twenty dB pad, and direct input. We have also included the ability to pad and reverse the phase of the Direct Input. Quality is unmatched. Engraved front panels, a twenty four position Swiss-made attenuator for gain control, custom made knobs, and engraved serial number plates, set the build apart. Features 
<ul>
<li>Superb sound quality and character 
</li><li>Switchable output transformers 
</li><li>Stepped attenuator for gain control 
</li><li>Phase reversible and paddable DI 
</li><li>Engraved front panels 
</li><li>75 ma current draw per module </li></ul>

Shadow Hills Industries Mono GAMA Mic Pre
500 Series GAMA mic pre with selectable transformer options

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Shadow Hills Optograph This Single channel discrete optical compressor, in the API 500 series form factor, takes its cues and much of its design from the optical stage of its behemoth Big Brother, the Shadow Hills Mastering Compressor. The Optograph's front end is balanced by an original Jensen input transformer. The output utilizes our specially recreated Nickel transformer. The essence of the compressor's character comes from our custom electroluminescent cell and discrete op-amp combination. The high quality circuit is pristine enough for bus compression, and yet has a unique character reminiscent of an antique world class compressor, that has just now been discovered. It's also perfect for squeezing drum busses and massaging vocals. It's the perfect glue for tracking and mixing anything that needs to sound more finished, more like a record. Just like The Mastering Compressor, the Optograph's threshold and make up gain are controlled by discrete attenuators, made from custom twenty-four position Elma switches. The tactile feel and quality of these controls are unrivaled. They are of the highest quality and will last forever. Built into the side chain, are a very powerful series of filters: 90 hertz, 150 hertz, 250 hertz, and band pass. By engaging a specific filter, you choose at which point the onset of compression occurs. First position, nothing below ninety triggers compression. Second position, nothing below one-fifty. Third, nothing below two-fifty. The fourth position is a musical bandpass filter. In this position, compression is triggered by the program's mid-range frequency content, ignoring the highest and lowest frequencies. The filters are amazingly useful for shifting the focus of what should be more compressed and creating compression curves on purpose. Another unique feature for sculpting the overall sonic character is the Transformer Desaturate mode. In this mode we cancel out any distortion and frequency non-linearity’s caused by the output transformer. The result is a pure, almost transformer-less sound, whilst still receiving the benefits, of limiting transients that can only come from magnetics.  There is also a VU meter for the display of gain reduction. The Optograph is enclosed in a twelve gauge steel chassis, has an engraved front panel and custom made knobs. Features: 
<UL>
<LI>Pristine sound quality and unique character 
<LI>Switchable sidechain filters 
<LI>Transformer Desaturate 
<LI>Detented switches 
<LI>Engraved front panels </LI></UL>

Shadow Hills Industries Mono Optograph 500
Single-channel "500 Series" discrete optical compressor

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The Shadow Hills Dual Vandergraph is a direct descendant of the Shadow Hills Mastering Compressor and maintains its reputation of unquestionable quality and exceptional performance. It’s inner workings are developed from the discrete gain cells of the Mastering Compressor which are combined with the Optograph’s extremely flexible Sidechain Filter matrix. This combination provides great possibilities for new recording techniques and the dynamic control. This stereo compressor’s fully discrete audio path is Class-A and features Shadow Hills' custom Iron Transformers. The controls are: Ratio, Filter, Compression and Output Level. Just like the Mastering Compressor, the Compression and Output Level controls are Swiss made twenty-four position attenuators. The Ratio switch, selects between: 1.2: 1, 2.5: 1, 4: 1, 8: 1. In addition to changing ratios, each selection changes preset attack and recover times. The Sidechain Filter Matrix controls the frequency sensitivity of the side-chain. The positions are: 90 hertz, 150 hertz, 250 hertz and Bandpass. <ul><li>Input impedance 20k</li><li>Minimum load impedance 600 ohms</li><li>Stereo</li><li>Fully Class-A </li><li>Discrete audio path </li><li>Discrete gain cells from Mastering Compressor</li><li>Sidechain Filter Matrix from Optograph</li><li>Swiss made discrete attenuators</li><li>Military Spec build quality</li><li>Meets the specifications of the VPR Alliance</li></ul>There is no limit to the number of Dual Vandergraphs that can fit into any 500 series rack.

Shadow Hills Industries Dual Vandergraph
Fully discrete stereo compressor

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Shadow Hills Industries Mono Optograph 500 (Demo Deal)
Single-channel "500 Series" discrete optical compressor

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The Shadow Hills Quad GAMA is a four channel version of the Gama, with all the capabilities, features, and quality of the original. 
The Gama is centered around our custom discrete op-amp. This 
no-compromise design exudes hugeness, fidelity, punchy-ness and depth, 
across the full frequency range, without becoming veiled or choked, the 
way non-discrete varieties can. 
The preamplifier input is transformer balanced and utilizes an original 
Jensen input transformer. We couldn't decide which vintage output 
transformer we liked best, so we had our favorites perfectly recreated, 
and included them all. You can change output transformers with the flick
 of a switch, thus changing the tonal capabilities to compliment to 
whatever material you are recording. This allows you to audition 
different settings to find the perfect match for microphone or direct 
input without patching and un-patching other preamps, and possibly 
alleviating the need for EQ. Choose between Nickel, Discrete, or Steel 
settings, or upgrade the Discrete to Iron. Each transformer position is 
stellar unto itself, but the capability of switching between them is 
like having three great pre's in one. 
The microphone gain is controlled by discrete attenuators made from 
custom twenty-four position Elma switches. This means that all of the 
channels are perfectly matched to each other and will never wear out 
like a pot can. Unlike other boutique companies that offer expensive 
stepped, or mastering options, but limit you to twelve positions, or use
 stepped pots that can fail over time, ours have twice the resolution 
and are included in the price. 
All the standard Mic-pre features are present: phantom power, phase 
reverse, a twenty dB pad, and direct input. We have also included the 
ability to pad and reverse the phase of the Direct Input. 
Quality is also unmatched. Twelve gauge steel chassis, engraved front 
panels, large custom knobs, and personalized engraved serial number 
plates, set the build apart. The design aesthetic is reminiscent of 
1930's futuristic military technology, that has only now been realized.

Features<ul><li>Superb sound quality and character
</li><li>Switchable output transformers
</li><li>Detented switches
</li><li>Phase reversible and pad-able DI
</li><li>Engraved front panels
</li></ul>

Shadow Hills Industries Quad GAMA w/ Iron Mod
Four channel mic preamp. Requires Shadow Hills PSU (not included).

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Shadow Hills Industries Power Supply
PSU for Equinox, Quad Gama, Mastering Compressor, or Optograph.

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Shadow Hills Industries Power Supply (Demo Deal)
PSU for Equinox, Quad Gama, Mastering Compressor, or Optograph.

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