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The m tron Pro IV Black Friday deal from GForce Software takes 50% off this Mellotron plugin, so it costs $74.99 until Dec 1, 2026.
M-Tron Pro IV is a synth plugin built around the Mellotron M400, the tape-based keyboard heard on records by The Beatles, Led Zeppelin, Radiohead and Oasis. The maker calls it the finest software emulation of the instrument.
Its sound turns up in progressive and indie rock, and in lo-fi and hip hop too.
The factory library runs to over 3.5GB of samples, spread across nearly 200 tape banks. On top of that sit 800+ patches, many programmed by recording artists and sound designers, including more than 100 new presets.
GForce says the library is exclusive and the most authentic of its kind.
The interface is now fully scalable, and the Preset and Tape browsers have been rebuilt so you can move through the library faster. Undo, Redo, Copy and Paste are added for editing.
The keyboard range extends down seven semitones. Poly Aftertouch and Velocity controls are expanded for more playability.
Tape Wow and Flutter now has an instability control, which adds the slow pitch drift of a real tape machine. The Brake slows tape playback for pitch-shift effects, and Tape Reverse and half-speed are on board as well.
The sound-shaping section gets an amp simulation with warmth, noise and saturate controls. There is also an extra state-variable filter, a second ensemble effect, a Matrix Reverb and individual FX locks.
Two layers can run at once, so you can stack two tape banks or split them across the keyboard. Each layer has multimode filters plus Filter and Amp envelopes.
The LFO now has shaping options and can target pitch, filter, pan or level. Delay and reverb are available as effects, alongside the ensemble.
The maker pitches this as a way to craft dual-layer lo-fi hybrid patches.
Expansion Packs are sold separately. They cover sounds from the Chamberlin, the Optigan and the Orchestron, plus rare Mellotron recordings. The Streetly Expansion Packs come from original master tapes recorded note by note, and Streetly Electronics traces its lineage back to the early 1960s instruments.
Yes. GForce Software's M-Tron Pro IV has 50% off for Black Friday, bringing it to $74.99. The deal ends Dec 1, 2026. It is the current version of the Mellotron M400 synth plugin, with 800+ presets and nearly 200 tape banks.
A 3.5GB factory sample library with nearly 200 tape banks and 800+ patches, over 100 of them new. You also get filters, an LFO, amp simulation, ensemble, delay and Matrix Reverb effects, and tape controls like wow, flutter, reverse and half speed.
Yes. M-Tron Pro can operate standalone, so you can load it on a laptop and play it from a MIDI controller on stage. MIDI Learn lets you assign controller CCs to its parameters, and dual-layer and split-keyboard modes work live.
New features include a scalable UI, rebuilt Preset and Tape browsers, Undo, Redo, Copy and Paste, and a keyboard range extended down seven semitones. Added effects are Wow and Flutter, amp simulation, a second state-variable filter, an ensemble and a Matrix Reverb.
Prices and end dates are checked at publishing time and can change, so confirm them at the store before you buy.