VPRE-72

Name: VPRE-72
Author: Fuse Audio Labs

by Fuse Audio Labs · Saturation · V72-style tube preamp (free)

Not rated yet

VPRE-72 is a free emulation of the V72 tube preamp from the early 1950s, with input and output transformers, dual EF804s pentodes and the output choke modeled.

It adds gain-compensated drive, V76-style low and high cut filters and instance grouping, and has no copy protection.

Best for: Vocals, Drums, Mix Bus, Acoustic Instruments. Genres: all genres.

Keywords: tube, hardware emulation, 50s, auto-gain, transformer, warm, free, metering, drums, glue, polish, vocals, vintage, bus processing, circuit-modelled, experimental, full mix, heavy, mix bus, mixing, no iLok, simple, single-band, utility.

What it does

VPRE-72 is a free model of the V72, a German tube preamp from the early 1950s built by brands such as Maihak, TAB, Siemens and TFK. Fuse Audio Labs also drew on the related V76 and REDD.47 designs to give it filters and extra gain staging.

Circuit model: the input and output transformers, the dual EF804s pentode circuit with its unusual feedback structure, and the heavy output choke.
Drive: pushes the tube stage for saturation, with automatic gain compensation so the result isn't simply louder.
Trim: output trim from -18 to +18 dB.
Filters: V76-style low cut at 80 Hz and high cut at 3 kHz for shaping the tone.
Metering: a VU meter on the panel.
Quality and grouping: a low/high quality setting, and groups that link multiple instances across a session.

Source: Fuse Audio Labs product page

When to use it

VPRE-72 is the pick for free German tube warmth with a few tone-shaping filters. Like Softube Saturation Knob it costs nothing, but it models a specific tube circuit and adds filters, trim and a VU meter rather than a single knob. Compared with Soundtoys Decapitator it has one flavour of saturation and no aggressive distortion modes, so it suits gentle color more than heavy drive. Universal Audio's V76 Preamplifier and Arturia Pre V76 model the related V76; VPRE-72 gives a similar kind of sound for free. For transformer-only color with a choice of units, Kazrog True Iron goes further.

Best for: warmth, glue and harmonic polish on vocals, drums, acoustic instruments and buses.
Genres: any style, especially vintage-leaning rock, pop and indie.
Look elsewhere if: you want heavy distortion (Decapitator), several saturation types (Black Box HG-2), or EQ and compression in the same plugin.
Tip: because Drive is gain-compensated, judge the color by ear at the same level; Bedroom Producers Blog notes this avoids the louder-is-better trap.

What producers say

Coverage sees it as a simple, good-sounding freebie rather than a game changer.

Bedroom Producers Blog (Fabio Gotti, 2023) praised the "sonic glue, some warmth" and polish it adds, and said you can use it straight away with no learning curve.
KVR users rate it 5 out of 5 from 1 review (2024), which called it "a good-sounding, versatile emulation of the V72" and praised the manual and grouping, while noting it isn't transformative.

Where to buy

Fuse Audio Labs: Free

Tutorials and reviews

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