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GForce M-Tron Pro IV VST Plugin

GForce M-Tron Pro IV VST Plugin— Up to 9 GB of Mellotron tape samples, 200+ banks, 800+ presets. Includes 7 expansion packs. VST2, VST3, AAX, AU, Standalone. Mac & Windows. Instant download.

Original price was: $199.99.Current price is: $79.99.

Description

M-Tron Pro IV by GForce Software is the most thorough Mellotron emulation you can load into a DAW right now. Built around the Mellotron M400 — the tape keyboard behind The Beatles, Led Zeppelin, and Radiohead — this plugin puts 9 GB of real tape samples and 800+ presets into your sessions. It covers progressive rock, lo-fi hip hop, cinematic scores, and ambient textures. Version IV was rebuilt from scratch to give producers real creative control without hunting through menus.

M-Tron Pro IV GForce Mellotron VST plugin preset browser interface
M-Tron Pro IV – Preset Browser with 800+ tagged and categorised patches

What GForce Changed in M-Tron Pro IV — And Why It Matters

GForce didn’t patch version IV — they rebuilt it. The interface now scales to any screen size. The new Preset and Tape Browsers make navigating 800+ patches quick. Additions like Undo, Redo, Copy, and Paste bring the workflow in line with how producers actually work. If you’ve run earlier versions, the difference is clear within minutes. And if this is your first GForce Mellotron instrument, you’re starting at the best version yet.

The core tape playback engine, however, stays true to what made the original Mellotron worth emulating. Every bank is built from 35 individually sampled notes — no pitch-stretching across octaves. That means the tonal character holds up from low string pads to high flute lines. Version IV layers a proper production toolkit on top of that foundation without touching what already worked.

Key Features of the GForce M-Tron Pro IV VST Plugin

🎧
9 GB Total LibraryFactory library + 7 expansion packs — 200+ tape banks, 35 individually sampled notes each
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800+ Presets100+ new patches — curated alongside professional recording artists and programmers
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Dual-Layer EngineStack two tape banks, link their editing together, or split them across the keyboard
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Tape Wow & FlutterInstability control — dial in the exact amount of tape drift your sound needs
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Amp SimulationWarmth, Noise, Saturate — adds body and edge without sounding processed
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Matrix ReverbA new reverb algorithm tuned specifically for tape-based sources
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Extra Filter & EnsembleSecond state-variable filter and ensemble effect for wider, richer textures
▶️
Scalable UI & BrowsersDrag any corner to resize; tagged Preset and Tape Browsers for fast navigation
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Extended Keyboard RangeSeven extra semitones in the lower register for bass-range tape sounds
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Standalone + All FormatsVST2, VST3, AAX, AU — Mac Intel & Apple Silicon, Windows 7+

The Tape Library Behind M-Tron Pro IV

The 9 GB library in M-Tron Pro IV spans the factory content and all 7 included expansions. The factory set alone covers 200+ tape banks, each recorded note by note — 35 samples per bank, no pitch-shifting. That approach takes longer to build. The payoff is that each note sounds like the real instrument at that pitch, not a stretched copy of something nearby. The expansions add entirely different instruments on top of that foundation.

The expansion content comes from the Chamberlin, Optigan, and Orchestron. Rare Mellotron banks also come from original master tapes via Streetly Electronics — the UK workshop with direct roots in the 1960s instruments. If you want even more, the Complete bundle takes the total to 12.5+ GB with 525+ tape banks and 3,700+ presets.

M-Tron Pro IV tape browser with 200 plus Mellotron tape banks
M-Tron Pro IV Tape Browser — navigate 200+ banks quickly

Included Libraries & Expansion Packs

Your purchase comes with a complete set of tape libraries and expansion packs. Each one covers a different instrument or era. Together, they give you a wide range of sounds ready to load the moment you open the plugin.

🎧
ChamberTron Xtras

Rare Chamberlin tape sounds — the American cousin of the Mellotron with its own distinct character.

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OptiTron

Samples sourced from the Optigan — a disc-based home organ with a sound unlike anything else in this collection.

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OrchesTron

Full orchestral tape sets from the Orchestron — strings, brass, woodwinds, and choral textures for cinematic work.

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The Streetly SFX Console

Sound effects and experimental tapes from Streetly Electronics — unusual textures that go beyond standard instrument categories.

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The Streetly Tapes M300

Original M300 Mellotron tapes recorded from master sources — an earlier, rarer model with its own tonal signature.

🎺
The Streetly Tapes Vol. 2

A second volume of curated Streetly Mellotron tapes — additional banks covering strings, voices, and brass.

🎻
The Streetly Tapes Vol. 3

Volume 3 extends the Streetly collection further — more obscure tape sets and less common Mellotron sounds.

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The Streetly Tapes Vol. 4

The final Streetly volume — sourced from original master tapes with the same note-by-note recording standard as the core library.

How to Load Libraries and Expansions in M-Tron Pro IV

Loading additional libraries into M-Tron Pro IV takes about a minute. The plugin supports folders stored anywhere — including external drives. Follow these steps and your new banks will show up in the browser immediately after a refresh.

Step-by-Step Tutorial

1
Load the PluginOpen your DAW and load M-Tron Pro IV as an instrument on any track. You can also open it in standalone mode without a DAW.
2
Click Browse in the Top Menu BarAt the top of the plugin interface, click the Browse button. This opens the full Preset and Tape Browser panel.
3
Click the Folder IconOn the left side of the browser, just below the GForce logo, click the Folder icon. This opens the library location manager.
4
Click the + Sign to Add a LocationClick the + button when prompted. A file browser will open so you can locate the folder containing your libraries or expansions. These can be on an internal drive, external hard drive, or USB.
5
Select the Folder and RefreshNavigate to the folder containing your sounds, select it, and confirm. Then click the ↻ circular arrows icon at the top of the browser to refresh the collection. Your new banks will appear.
6
Restart the PluginClose and reopen M-Tron Pro IV inside your DAW (or relaunch the standalone app). All added libraries will now be fully indexed and available in the Tape Browser.

How the Signal Chain Works — Tape to FX

The version IV signal chain starts with the dual-layer engine. Load two tape banks at once and blend them, lock their editing together, or split them across the keyboard. From there, the Tape section handles Wow, Flutter, Reverse, and Half-Speed. Those controls let you set how much organic drift the sound carries. The new Amp Simulation then adds warmth and edge without making the result feel overworked.

On top of that, two independent filters handle tonal shaping — the original multimode and the new state-variable. The LFO routes to pitch, pan, level, or filter. Matrix Reverb and a second Ensemble effect sit in the global FX section, feeding one or both layers. For a tape instrument, that’s a serious amount of sound design range.

M-Tron Pro IV amp simulation warmth noise saturation controls
M-Tron Pro IV Amp Simulation — Warmth, Noise, and Saturate controls

DAW Compatibility & System Requirements

On Mac, the plugin runs on macOS 10.13 or above — native on Intel and Apple Silicon. On Windows, a 2 GHz CPU, 2 GB RAM, and Windows 7 or later covers it. Formats include VST2, VST3, AAX, and AudioUnit. That means it drops into Ableton Live, Logic Pro, Pro Tools, Cubase, FL Studio, and Reaper cleanly. The standalone mode runs outside a DAW entirely. It’s a solid choice for live keyboard setups where loading a full session isn’t practical.

For technical specs and setup guides, the GForce Software user manual covers everything in detail. Similarly, if you’re building out a broader keyboard setup, the VST plugin collection on VSTor has instruments that pair well with this one.

Frequently Asked Questions

What is M-Tron Pro IV and how does it differ from earlier versions?

It’s the fourth major version of GForce’s Mellotron emulation. New additions include a scalable interface, redesigned Preset and Tape Browsers, Amp Simulation, Matrix Reverb, and Tape Wow & Flutter with Instability control. A second filter, second ensemble, and extended keyboard range are also new. Each addition addresses something earlier releases handled less well.

Is M-Tron Pro IV compatible with Apple Silicon Macs?

Yes — it runs natively on M1, M2, and M3 Macs, and on Intel Macs running macOS 10.13 or higher. On Windows, it needs a 2 GHz CPU, 2 GB RAM, and Windows 7 or above. Formats include VST2, VST3, AAX, AudioUnit, and Standalone.

How large is the M-Tron Pro IV sound library?

The total library is 9 GB across the factory content and all 7 included expansions. That covers 200+ tape banks and 800+ presets out of the box. The M-Tron Pro – Complete bundle goes further — 12.5+ GB, 525+ banks, and 3,700+ presets.

Can I run it live without a DAW?

Yes. It ships with a full standalone application. Connect a MIDI controller, open the app, and you’re running — no DAW needed, no session to load. That makes it a clean choice for live keyboard setups and rehearsals.

What expansion packs are included with M-Tron Pro IV?

Your purchase includes ChamberTron Xtras, OptiTron, OrchesTron, The Streetly SFX Console, The Streetly Tapes M300, and The Streetly Tapes Volumes 2, 3, and 4. Each covers a different instrument or Mellotron era. Use the step-by-step tutorial above to load them into the plugin browser.

What genres is this Mellotron plugin suited for?

The Mellotron is best known in progressive rock and psychedelic pop, but this plugin covers more ground. Lo-fi hip hop producers use the tape drift controls. Ambient and film composers work with the reverb and filter depth. The sound design range goes well beyond the vintage associations.