RRS Passive EQ Collection

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The EQP-1A based on Classic Program Equalizer from the '60s, original EQ is renowned for its unique ability to boost and cut the same frequencies simultaneously, thereby creating a resonant shelf, the EQP-1A faithfully models the overbuilt transformers and complex tube amplifiers of the original hardware.

Price Free
Author RRS, OOO
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 5 (14), current: 5 (14)
Version 3.0.0
Released 09/08/2021
Updated 11/14/2022
The Passive EQ Collection AUv3 plug-in — comes as time-limited Demo-version for you to try. It gives you 5 minutes of Free play time. (You can reload the Passive EQ Collection AUv3 plug-in as many times as you want, thereby you get the Demo period again and again.) Unlimited version of Passive EQ Collection AUv3 plug-in comes as In-App Purchase.

SPECIFICATIONS:

• Three classics, EQP-1A, MEQ-5 and HLF-3C, combined in one full-featured equalizer;
• Standalone and AUv3 Plug-in;
• Modeled vintage Equalizers;
• On/Off Analog Saturation;
• Undo/Redo;
• A/B;
• 2x/4x/8x Upsampling.

The EQP-1A based on Classic Program Equalizer from the '60s, original EQ is renowned for its unique ability to boost and cut the same frequencies simultaneously, thereby creating a resonant shelf, the EQP-1A faithfully models the overbuilt transformers and complex tube amplifiers of the original hardware.

Conceived and created for broadband equalization, the EQP-1A features 4 low boost/cut frequencies, 3 high-cut frequencies and 7 HF boost points, along with a bandwidth control for shaping the high boost curve.

The MEQ-5 based on Classic Mid-Range Equalizer from the '70s, with two bands of midrange boost and one band of midrange dip, the MEQ-5 gets the very best out of the «power region» where guitars and vocals can make or break a mix.

The MEQ-5 provides exacting control of the «power region» in program material, that frequency range from about 300 Hz to 5000 Hz in which most of the sound energy is concentrated. The ear is especially sensitive to sounds in this region. In this region, even small resonances in studio acoustics and microphone and speaker responses are very evident in their effect on the listenability of the sound. Three independent sets of controls make it possible to boost on a peak curve at 200…1000 Hz while simultaneously boosting on a peak curve at 1.5…5 kHz, while simultaneously dipping at 200…7000 Hz.

The original HLF-3C hardware unit is a true passive design: there are no input/output amplifiers and it does not require any external power. As a result, there is an inherent loss of signal level when using the HLF-3C hardware. The RRS HLF-3C compensates for this inherent signal loss for simplified use in the modern era: it has unity gain upon insertion (there is no insertion loss until one or both of the cut filters is engaged).

The broadband EQP-1A, the midrange MEQ-5 and the passive high/low filter HLF-3C together comprise a full range vintage EQ chain.

To use Passive EQ Collection as a plug-in, you need an AUv3-compatible host app like GarageBand, Auria, AUM, Cubasis and more — Passive EQ Collection will appear in the list of Audio Unit extensions for effect plug-ins in the host app.

Version 3.0.0 release notes

- Implemented HLF-3C module; - Implemented GUI Scale on Pinch feature; - Implemented HQ-mode; - Implemented Presets Drop-down Menu; - Fixed parameters tweaking crash bug in some DAWs.

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The MEQ-5 based on Classic Mid-Range Equalizer from the '70s, with two bands of midrange boost and one band of midrange dip, the MEQ-5 gets the very best out of the «power region» where guitars and vocals can make or break a mix.

Price Free
Author RRS, OOO
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 5 (6), current: 5 (6)
Released 09/08/2021
Updated 11/14/2022

The EQP-1A based on Classic Program Equalizer from the '60s, original EQ is renowned for its unique ability to boost and cut the same frequencies simultaneously, thereby creating a resonant shelf, the EQP-1A faithfully models the overbuilt transformers and complex tube amplifiers of the original hardware.

Price Free
Author RRS, OOO
Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 5 (5), current: 5 (5)
Released 09/08/2021
Updated 11/14/2022

Comp 609 is a compressor AUv3 plug-in.

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The Red Rock Sound SA60 real time 1/3 octave Spectrum Analyser combines ease of use, accuracy and versatility in one economical, reliable unit. Interface is modelled on classic DN60 spectrum analyser, originally developed in 1980.

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The Red Rock Sound Exciter will allow you to improve and enhance sonic quality of signal more naturally than with equalization. Unlike traditional EQ that just turns up the existing harmonics, Exciter generates additional harmonics, therefore there is no boost in the output signal level, this maintains a clear and balanced sound.

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Does your bass sound dull and lifeless? Red Rock Sound Bass Enhancer will be your choice to correct this deficiency. Bass Enhancer designed for saturation harmonics of low-frequency, it creates the effect of lower, deeper frequencies. This effect can not be created with simple equalization.

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In the '80s it was the first to use a different approach to tonal adjustments. In conventional analog equalizers, whether they are shelving, sweepable, graphic or parametric types, various sections of the audio spectra are boosted or attenuated by adding or subtracting bandpasses. In this case, frequency shaping is achieved by summing bandpasses.

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PolyIvoks Filter developed on the basis of the filter of the legendary Soviet synthesizer from 1980s, and only now the legendary Soviet analog sound became available in stereo mode.

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Based on Classic American EQ from the late '60s, the EQ550b is a continuation of the EQ that played a major role in the history of music recording, but with an additional filter band and several new frequencies.

Price Free
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Type Effect
Effect type Equalizer, Filter
Supports Audio Unit (AU)
Rating total: 4.83333 (12), current: 4.83333 (12)
Released 04/10/2020
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The EQ550 faithfully captures the punch, low-frequency transparency, and ultra-tight imaging of iconic American EQs of the late 1960’s.

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The EQ-A based on Classic British EQ from the '70s. With a wide range of tonal variations, the EQ-A is an audio tool with great flexibility and sonic ability.

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The EQ560 extends the features of the original hardware and joins the flexibility of the digital world to the character of the analog processing.

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Type Effect
Effect type Equalizer, Filter
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Released 12/04/2019
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