V-Comp

Name: V-Comp
Price: 89 USD
Author: Kiive Audio

by Kiive Audio · Compressor · Seven-tube vari-mu compressor

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V-Comp models a seven-tube variable-mu compressor originally designed for broadcast in the 1950s, with an iron-core transformer.

It includes a Deluxe version with mix blend and sidechain HPF, for $89 (regularly $99.99).

Best for: Vocals, Bass, Mix Bus, Mastering. Genres: all genres.

Keywords: tube, vari-mu, transformer, 50s, bass, broadcast, bus processing, mix bus, sidechain input, vocals, full mix, gentle, mixing, musical, gritty, lush, mastering, built-in mix knob, parallel processing, simple, single-band, smooth.

What it does

V-Comp, from Kiive Audio's AudioScape line, recreates a variable-mu compressor "originally designed for broadcast in the 1950s" that later became a studio favorite. The aim is compression that "shapes dynamics naturally rather than clamping down on them."

Circuit: seven tubes and an iron-core transformer, with a gentle knee and program-dependent ratio.
Simple controls: Threshold/Input and Output knobs plus a mode selector; there are no separate attack and release knobs.
Four modes: Single, Double and Triple set the time constants and amount of compression; Bypass removes the compression circuit and keeps the tubes and transformers for saturation only.
Two versions: standard V-Comp and V-Comp+ Deluxe, which adds a mix control for parallel compression and sidechain high-pass filter options.

It has free updates for life. A 14-day, fully working trial needs no card.

Source: Kiive Audio product page

When to use it

V-Comp is the pick for gentle, tube-colored leveling with almost no setup. Compared with UA's Fairchild Tube Limiter Collection and Manley Variable Mu, it models a less common 1950s broadcast unit and costs less. Compared with Klanghelm MJUC, it has fewer controls and only three compression modes, so it is quicker but less adjustable. Compared with the Teletronix LA-2A Leveler Collection, it offers a similar two-knob workflow but with vari-mu tube character and a saturation-only Bypass mode.

Best for: smooth leveling on vocals, bass and the mix bus, and tube color via Bypass mode.
Genres: pop, rock, R&B, soul and acoustic styles.
Look elsewhere if: you need fast, punchy transient control; a FET like the 1176 Classic Limiter Collection or a diode-bridge like Kiive's MK-609 fits better.
Tip: a reviewer says learning the Mode selector is the key, since it changes the timing and amount of compression.

What producers say

The one review we read was enthusiastic about its musical, soft-knee sound.

Mixing in Action Studios blog (2024) gave the V-Comp+ 10/10: "If you want a MUSICAL compressor, this is the one!"
Praised: soft-knee compression that rounds out the sound, a range "from lush pretty sounds to some grit," and low resource use.

Mixing in Action Studios blog review

Where to buy

Kiive Audio: $89
Plugin Boutique: $149.99

Tutorials and reviews

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