XL-305R Dual Reverb by Kiive Audio spring reverb plugin interface

XL-305R Dual Reverb: Spring Reverb Plugin by Kiive Audio

XL-305R Dual Reverb is a spring reverb effects plugin from Kiive Audio, built as a software version of the XL-305R hardware reverb. It is available in VST2, AU and AAX formats for 64-bit DAWs on Windows and macOS.

VST2AUAAXWindowsmacOS64-bit

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01Overview

Kiive Audio developed XL-305R Dual Reverb in collaboration with AudioScape Engineering, based on the AudioScape hardware unit. The developers say the plugin was designed to be nearly a faithful match for the hardware rather than a loose recreation. It is aimed at producers who want the character of a spring reverb inside their DAW. The hardware traces its roots to the XL-305 Spring Reverb, released by Micmix in 1979, which has built a cult following for its smooth decay and distinctive sound.

Best for

Vocal reverb
Guitar spring tone
Drum room ambience
Vintage synth effects
Lush tail processing

Developer: Kiive Audio
Category: Reverbs
Store: Plugin Boutique

02Key features

What you get

Software version of the AudioScape XL-305R hardware spring reverb
12 springs tuned together for equal temperament
Lush, smooth decay reverb character
Wide range of tonal control over the effect
Developed with AudioScape Engineering
Available in VST2, AU and AAX formats
Runs on Windows and macOS, 64-bit DAWs only

03In depth

How the 12-Spring Design Shapes the Sound

Many spring reverbs use a single spring assembly, which can sound harsh or metallic. The XL-305R uses 12 springs tuned together to be equally tempered. The developers compare the effect to opening a piano lid, holding the dampers up and singing into the strings, so the reverb resonates across the tuning.

The result, according to Kiive Audio, is a lush, smooth decay with a wide range of control over the tonality of the effect. That tonal control makes the reverb usable on a range of sources, from sustained sounds to percussive material.

Dual Reverb Plugin for Production Work

The XL-305R is distributed as a plugin in VST2, AU and AAX formats. It runs on Windows and macOS and supports 64-bit DAWs only. Because the plugin is modeled on a hardware unit, it suits producers who want to add a vintage spring character to vocals, guitars, synths or drums without owning the original gear.

Check the system requirements before purchase, since the Windows and macOS builds list different minimum operating system versions and processor requirements.

04Specs

Will it run?

Formats, systems and requirements as listed by Plugin Boutique. Missing details are left out, not guessed.

Developer	Kiive Audio
Type	Plugin
Category	Reverb
Formats	VST2, AU, AAX
Operating systems	Windows, macOS
Architecture	64-bit

05FAQ

Questions, answered

What formats does XL-305R Dual Reverb support?

XL-305R Dual Reverb is available in VST2, AU and AAX formats. It supports 64-bit DAWs only.

Does XL-305R Dual Reverb work on Windows and macOS?

Yes. The plugin is listed for both Windows and macOS. Windows requires Windows 7 or later, and macOS requires OS X 10.7 or later, with macOS 10.14 or later recommended.

What is the XL-305R based on?

The plugin is a software version of the XL-305R hardware spring reverb from AudioScape. Kiive Audio developed it in collaboration with AudioScape Engineering, and the hardware traces its roots to the XL-305 Spring Reverb released by Micmix in 1979.