Springs - Vintage Spring Reverb Plugin with Baxandall EQ (VST, AU, AAX)

Vintage Spring Reverb + Baxandall EQ

Springs is a plugin which features a collection of vintage spring reverbs paired with an authentic Baxandall EQ emulation.

Springs features emulations from 9 types of spring reverbs, ranging from a long 6-spring pipe to a tiny battery-powered single-spring unit. We have used a combination of convolution and modelling to recreate the vintage character of each reverb.

Spring reverbs were usually paired with tone stacks from guitar amplifiers. Springs features one of the most iconic and unique sounding tone stack equalizers: the Baxandall EQ. A classic Baxandall tone stack usually features just the bass and treble bands, but we have also added a Mid band (with control over the Q).

Spring Reverbs

We have collected and emulated several spring reverbs. Each one with its own sound.

Baxandall EQ Curve Display


The Baxandall EQ is a classic type of EQ, mostly found in guitar amps, and usually limited to just a single tone control or two bands (bass and treble). We have added a third band (mid with Q control) to shape the reverb sound further.
One important characteristic of the Baxandall EQ is that the bands interact with each other. This may seem¬†like an unwanted behavior, but it’s one of the reasons why the Baxandall EQ curves are smooth and musical.

Baxandall EQ Curve Display


By clicking on the wrench tool button you can open the editor window.

Springs uses a combination of convolution and modeling to recreate each spring reverb. With the editor you can edit the impulse response of the reverb directly.

This can be useful to fine-tune the size/decay of the reverb, but can also be used to completely mangle the source (check the experimental presets).

Springs - Spring Reverb Plugin - Impulse Response Editor Page
Springs Bandwidth Control


While with the Baxandall EQ you can shape the sound of the mix (dry+wet) or just the wet signal, with the Bandwidth control you can filter the input signal that goes into the spring emulation.

Some springs have a boomy low end, some are too bright and boingy. By limiting the bandwidth of the signal you can dampen these characteristics.

Springs Bandwidth Control

How Spring Reverbs Work

A spring reverb is an electromechanical device that uses transducers/pickups with steel springs in order to simulate the reflections of a reverb.

The input signal is passed through a transducer to one or multiple springs, the vibrations are then captured by an output transducer on the opposite side.

Using multiple springs with different sizes and different thickness can create a more interesting and rich reverb sound.

AudioThing Spring Reverb
Springs - Plugin Overview (Youtube)
Springs - Plugin Demo Video (Youtube)


Try Springs for free with some limitations: silence for 3 seconds every 45 seconds, saving disabled.

If you like it, you can purchase a license and then authorize the demo version.


  • 9 Vintage Spring Reverbs
  • Baxandall EQ (three bands)
  • 80 Presets
  • Resizable Window
  • Preset system with randomizer

Download Manual (.pdf)


Windows 7, 8, 10 (64 bit)
Intel Core 2 Duo or AMD Athlon 64 X2, 4 GB RAM
VST2, VST3, or AAX, 64-bit host

OS X 10.7 – macOS 10.14
Intel Core 2 Duo, 2 GB RAM
VST2, VST3, AU, or AAX, 64-bit host

2019/10/01: v1.1
– Added: RV-1 Model
– Added: Stereo GBS Model
– Added: Editor Panel
– Added: 30 New presets
– Added: Edit Value option for Knobs
– Added: Notification System
– Improved: Longer Pre Delay time
– Improved: Stereo Width algorithm
– Improved: GUI (Font contrast, EQ Graph, and Bypass State)
– Improved: CPU and memory usage