Heritage Audio Motorcity Equalizer

Occasionally, something so special arrives, it turns the music industry upside down…and inside out. That is why Heritage Audio is incredibly pleased to offer the world’s first reproduction (and a dead on one at that) of the “Holy Grail” of classic EQ’s. The “MOTORCITY EQualizer”.

Recreated from original Motown units owned by eight-time Grammy winning producer, mixdown artist, and innovative engineering genius Michael Brauer, Heritage Audio has left no stone unturned, recreating the unmistakably huge, punchy and warm signature sound that makes this EQ as classic as the hits it helped create. From the 10-gauge hand brushed aluminum face plate, historically accurate control layout including custom molded bakelite knobs, the MOTORCITY EQualizer looks the part. More importantly, the unique passive equalization circuit is identical and fully faithful to the original design. The MOTORCITY EQualizer is so precise, it stands as the only EQ available that can rival, or even “best” the popular Pultec EQ.

Know Me

The MOTORCITY EQualizer is a completely analog, passive EQ design with seven accessible frequency points across the tonal spectrum. Each frequency has a stepped rotary switch capable of a flat response, or up or down 8 dB in 1 dB increments. Frequency points graduate from 50 Hz, 130 Hz, 320 Hz and 800 Hz before jumping to 2000 Hz, 5000 Hz, peaking at 12,500 Hz.

The front panel also features a simple in/out/off toggle switch with top hat knob and jewel light power indicator. All rotary switches have easy to read from a distance “General Radio” bakelite style knobs recreated to look exactly like the originals (remember, this is not a slider-style graphic EQ). Finally, it features a master gain control (±8 dB), again in 1 dB increments.

The very simple 1960’s accurate back panel features a power supply jack, and an XLR input and output. The sound itself is exactly what you’d expect. It packs a punch without sounding harsh or distorted.

While something as simple as an analog seven band EQ might sound more like hype than hyper goodness, hearing is believing. Why has Heritage audio gone through the seemingly impossible task of bringing them back to life? Michael Brauer will tell you this: “It simply got that sound”.

The Heritage audio MOTORCITY EQualizer is not a digital equivalent, not a respectfully close replica and not a more compatible modernized “improvement.”

The MOTORCITY EQualizer is nothing less than the genuine article finally made available for the general public.. For the very first time in history, you can integrate this true spec to spec carbon copy of both form and function into your own studio.

Features

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• Frequency centers: 50 Hz, 130 Hz, 320 Hz, 800 Hz, 2 kHz, 5 kHz, and 12.5 kHz
• Dead nuts replica of Michael Brauer's original units designed at Motown's"Hitsville" studio for private use
• First time publicly available. Motown's Chief technical engineer and miracle worker Mike McLean's take on the smart graphic eq designed for the film industry and made by Cinema Engineering, Langevin and Altec
• Shockingly clever passive design uses no less than 21 inductors and 21 tone capacitors (3 each per band) exclusively made for Heritage Audio, matching Brauer's values to 1 % tolerances
• Heavy duty stepped rotary switches used for all 7 eq bands and gain control
• UTC replica input transformer with modified turns ratio for better integration into modern studios. Also, exclusively made for Heritage Audio
• Carnhill-driven output line amp substitutes the original's Achilles heel Opamp-labs output
• In/Out/Off Lever switch allows you to A/B the effect of EQ settings