Vintage EQ [ADV] - Ozone 8 Documentation

The Vintage EQ module is based on the Pultec EQP-1A and Pultec MEQ-5, two highly regarded equalizers from the 1950s. EQP-1A affects the high and low frequencies, and MEQ-5 affects midrange frequencies. The Ozone Vintage EQ closely emulates the frequency response of the Pultec EQP-1A and MEQ-5 by modeling their individual circuit components.

Table of Contents

Overview

The Vintage EQ module is based on the Pultec EQP-1A and Pultec MEQ-5, two highly regarded equalizers from the 1950s. EQP-1A affects the high and low frequencies, and MEQ-5 affects midrange frequencies. The Ozone Vintage EQ closely emulates the frequency response of the Pultec EQP-1A and MEQ-5 by modeling their individual circuit components.

veq

Low & High Frequency Controls

The top row of parameters in the Vintage EQ module are modeled after the Pultec EQP-1A Equalizer.

VEQ top row

A unique feature of the Pultec EQP-1A is the ability to simultaneously adjust the boost and cut parameters for the low frequency band. While the original manual warns “Do not attempt to boost and attenuate simultaneously,” these controls interact in a way that many engineers have found to be extremely desirable. Rather than canceling each other out, combining these controls results in a boost in the low frequencies, followed by a dip slightly higher up. This unique filter shape is also available in the Ozone Equalizer module as the “Vintage Low Shelf”.

Low Frequency Controls

  • LOW FREQUENCY: Sets the low frequency to be boosted. Options include: 20 Hz, 30 Hz, 45 Hz, 60 Hz, and 100 Hz.
  • LOW BOOST: Sets the amount of boost applied to the selected low frequency. This is a low shelf filter.
  • LOW CUT: Sets the amount of attenuation applied to the selected low frequency. This is also a low shelf filter.

Low Frequency Selection Note

  • The 45 Hz option isn’t present in the original hardware unit, but we’ve added this frequency because we found it to be useful for mastering.

High Frequency Boost Controls

  • HIGH BOOST FREQUENCY: Sets the high frequency to be boosted. Options include 3 kHz, 4 kHz, 5 kHz, 8 kHz, 10 kHz, 12 kHz, and 16 kHz.
  • HIGH BOOST: Sets the amount of boost applied to the selected high frequency. This is a peaking filter.
  • HIGH Q: Sets the bandwidth for high frequency boosting. The boost amount and bandwidth interact (i.e., the Q changes as you boost), as they do in the EQP-1A.

High Frequency Cut Controls

  • HIGH CUT FREQUENCY: Sets the high frequency to be attenuated. Options include 5 kHz, 10 kHz, and 20kHz.
  • HIGH CUT: Sets the amount of attenuation applied to the selected high frequency. This is a high shelf filter.

Mid Frequency Controls

The bottom row of parameters in the Vintage EQ module are modeled after the Pultec MEQ-5 Equalizer.

VEQ bottom row

All of the mid frequency controls are peaking filters. As in the original MEQ-5, the filter bandwidths are affected by the boost/cut amount.

Low-Mid Frequency Controls

  • LOW-MID BOOST FREQUENCY: Sets the low-mid frequency to be boosted. Options include 200 Hz, 300 Hz, 500 Hz, 700 Hz, and 1000 Hz.
  • LM BOOST: Sets the amount of boost applied to the selected low-mid frequency band.

Mid Frequency Cut Controls

  • MID CUT FREQUENCY: Sets the mid frequency to be attenuated. Options include 200 Hz, 300 Hz, 500 Hz, 700 Hz, 1 kHz, 1.5 kHz, 2 kHz, 3 kHz, 4 kHz, 5 kHz, and 7 kHz.
  • MID CUT: Sets the amount of attenuation applied to the selected mid frequency.

High-Mid Frequency Fontrols

  • HIGH-MID BOOST FREQUENCY: Sets the high-mid frequency to be boosted. Options include 1.5 kHz, 2 kHz, 3 kHz, 4 kHz, and 5 kHz.
  • HM BOOST: Sets the amount of boost applied to the selected high-mid frequency.

M/S & L/R Controls

The Vintage Compressor offers Stereo, Mid/Side or Left/Right processing modes. See the Common Module Controls chapter for more information about Mid/Side & Left/Right processing modes.

Meters

Spectrum Analyzer & Composite EQ Curve

VEQ Spectrum and Curve

Displays the composite EQ curve of your current Vintage EQ settings over a real-time spectrum analyzer that shows Ozone’s output signal.

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