ADDAC System - 605 Spectral Tilt

Product information "ADDAC System - 605 Spectral Tilt"
The TILT EQ concept was first introduced in the 1970's by Quad Ltd, featured on the company’s model 34 preamplifier. The tilt control tilts the frequency spectrum of the audio signal by simultaneously boosting the treble and cutting the bass frequencies, or vice versa, making it a simple to use but powerful EQ.

As stated by Quad Ltd, it was designed to produce a very gradual change in balance across the musical spectrum without changing the overall subjective level. This gradual fall from Bass to Treble, or vice versa, means there’s no sudden change and hence no ‘coloration’ added to the sound, the sound will remain entirely natural but with a slight added bottom or high end. In practice, it rotates most of the audio-range frequency response around a 1kHz axis, so as to change the overall balance of the sound from warm to cool without affecting either the apparent volume or the "color" of the sound.

Here we introduce this idea into the modular world in a stereo configuration. CV input with attenuverter was added for the Tilt control as well as a Spectral Motion switch that allows stereo spectral matching or inverted spectrum use of the Tilt control: Left = Right matches both channels direction, i.e. when left channel is tilted to the low end the right channel will also be tilted to the low end. Left ≠ Right inverts the Right channel spectrum, i.e. when left channel is tilted to the low end the right channel will be inversally tilted to the high end, or vice-versa. This possibility is extremely interesting when applied as a stereo effect, in other words, a spectral EQ panner.

SMD-Kit-1. This is a Do-It-Yourself kit, not an assembled module. The kit includes all parts to build the module. All SMD parts are pre-soldered, only trough-hole parts to solder. For build guide, more info, videos etc. please check the buttons below.
Current draw +12 V [mA]: 40
Current draw -12 V [mA]: 40
DIY Level: Easy
Depth [mm]: 45
Width [HP]: 4
Format: 3U
Panel / Color: Black Alu
Manufacturer "ADDAC System"

ADDAC develops advanced instruments for sonic expression.

We started back in 2009 with an ambition to explore the potential crossover between analog synthesizers and computers. Because our first creations sparked a lot of attention, we decided to work hard and put them in your hands.

Today our product line is focused on a new breed of hybrid synths, that make use of the best of both the digital and analog worlds. We've grown to be able to reach thousands of enthusiastic clients, friends and collaborators. Always looking into conceptualizing and developing the most exquisite instruments, we hope you're able to join and share this passion with us.

Our solutions can be found in many personal studio throught the world, owned by musicians in several planes of stardom. We especially appreciate seeing them being used in a very wide range of musical genres.

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