SYMPH EQ is an analog-modeled equalizer plugin from Heritage Audio, based on the Baxandall EQ design and available in VST3, AU and AAX formats. It offers stereo, Mid/Side and mono operation with shelving and filter sections.
SYMPH EQ is the plugin version of Heritage Audio's SYMPH EQ 19-inch rack unit. The developer says it carries the rack unit's musicality into software and is built on the Baxandall EQ, a tone control design first created around seventy years ago. The plugin covers stereo mixes, Mid/Side processing and mono use, with adjustable high and low shelves and high-pass and low-pass filters. Its input and output transformer modeling is designed to add an analog character to digital mixes.
Heritage Audio says the plugin recreates custom Carnhill Oxford input transformers and custom Carnhill St Ives output transformers, both made for the company, along with a high-end, 73-style Class A output stage. The equalizing control has 0.5 dB steps for detailed adjustments.
The developer describes the sound as tight, sweet and natural, and says its gentle EQ curves and parallel equalization keep phase deviation low.
In Mid/Side mode, the plugin can add bass weight to the center channel while boosting high frequencies on hard-panned sources. The side high-pass filter switches to an elliptical topology, which the developer says follows vintage disc cutter designs.
The equalizer section offers high-frequency shelves selectable at 8, 10, 12, 15, 20 and 24 kHz, and low-frequency shelves at 20, 60, 110, 220, 360 and 470 Hz. Both have a boost and cut range of ±10.5 dB. The high-pass filter offers 12 dB/octave slopes at 15, 20, 47, 82 and 160 Hz, and the low-pass filter offers 12 dB/octave slopes at 10, 12, 18, 22 and 30 kHz.
Formats, systems and requirements as listed by Plugin Boutique. Missing details are left out, not guessed.
| Developer | Heritage Audio |
|---|---|
| Type | Plugin |
| Category | EQ |
| Formats | VST3, AU, AAX |
| Operating systems | Windows, macOS |
| Architecture | 64-bit |
SYMPH EQ is available in VST3, AU and AAX formats, all 64-bit.
The plugin runs on Windows 10 and 11, and on macOS 10.15.7 and later, including both Intel and native Apple Silicon M1, M2 and M3 Macs.
A free iLok cloud account is required to install and authorize the plugin. It works with all major DAWs, including Ableton Live, Pro Tools, Logic Pro, FL Studio, Cubase, Studio One, Bitwig, Reaper and Reason.
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