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NEOLD

RZ062

   

  • Legendary Siemens tube EQ tone

    Faithful recreation of one of the sweetest-sounding equalizers ever made.

  • Musical stereo & M/S shaping

    Pivot and Presence EQ, Focus-controlled saturation, and parallel Mix for refined tone sculpting.

  • Vintage character, modern precision

    Switchable stepped or continuous EQ and flexible EQ/Drive routing for DAW-ready workflows.

Classic curves

The NEOLD RZ062 is a modern reimagining of the legendary 1960s Siemens Klangfilm tube equalizer, celebrated for some of the sweetest EQ curves in recording history. Dial in a beautifully tailored balance of the dedicated Pivot and Presence modules within a streamlined stereo and mid/side matrix, delivering the same vintage tube tone-shaping as the original hardware to your DAW channels, mixes and masters.

Supercharged

Expressive controls put the EF804S and ECC81 tube amps at your command. Focus shifts the character between the lively edge of odd-order and the smooth depth of even-order harmonics, offering nuanced tonal shaping. Drive pushes the tubes with up to 48 dB of compensated gain, while Mix lets you dial in just the right amount of dry signal for refined tonal layering.

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Timeless class

The RZ062 overcomes the original unit’s coarse 2 dB step limitations. While classic mode remains for bold, deliberate moves, the controls can also be switched to continuous sweeps for precise adjustments. EQ and Drive can be used together or split for flexible workflows. From subtle vocal sweetening to full mix lifts—classic tone meets modern finesse.

Own a rare piece of recording history

Designed in Germany in the late 1950s for installation in mixing consoles, the Siemens Klangfilm Universalentzerrer (universal equalizer) was originally intended for broadcast, being used to eliminate undesired studio acoustics and disturbances like impact noise or wind flutter.

In the following decades, the RZ062 became a trusted tool in European recording studios, valued for its gentle tonal shaping and sound correction, and gaining a reputation as one of the finest-sounding tube equalizers ever made, especially prized on vocals and for mastering orchestral recordings.

Today, original Klangfilm RZ062 units are extremely rare due to their limited production and complex design, and command several thousand dollars per module—should they appear for sale at all.

Features

  • Faithful recreation of the Siemens Klangfilm RZ062 equalizer, expanded for DAW workflows
  • Curated stereo and M/S matrix with both Pivot and Presence modules
  • Focus control for nuanced saturation shaping between odd and even harmonics
  • Onboard Mix control for parallel processing (not common but very useful on EQs)
  • Flexible routing with EQ and Drive usable together or independently
  • Switchable stepped or continuous EQ behavior for authentic vintage feel or modern precision

Sound Examples

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Product Information

Specifications
Supported Plugin Formats

AAX AudioSuite, AAX Native, AU, VST3

Supported Operating Systems

macOS 26 down to macOS 13
Windows 11 down to Windows 10

Mac

Intel, or Apple Silicon

PC

x64-compatible CPU

System Requirements

Display resolution: 1440 × 900px or 1280 × 960px or higher
Memory: 2 GB RAM

Downloads

With the Installation Manager you can select, download & install all the Plugin Alliance products. Select any and all formats you need for your system! Mac & PC.

Installation Manager

Manuals

Changelog

RZ062 Changelog

NEOLD RZ062 - Changelog

Version 1.2.0 (May 21, 2025)

- -Fix output transformer instability @176.4kHz

Version 1.1.0 (Nov 14, 2025)

-GUI improvements

-Fix persistence issues in continuous mode

-Offer different UI skins selectable via settings menu (blue- and grayface)

Version 1.0.0 (Oct 22, 2025)

- Initial released version

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