Roland Sound Canvas Sc55 Soundfont Fixed May 2026

The infamous “SC-55 Pad 2” (Patch 90) loop is completely smooth in fixed versions. In broken versions, it pulses unnaturally.

After weeks of cross-referencing a real SC-55 (the original 1989-1991 revision) against a dozen corrupted SoundFonts, I’ve finally assembled a fixed version.

Here’s what makes this build different:

Downloading the file is only half the battle. To hear the "fixed" magic, you need the right player.

You might ask: Why use a fixed SoundFont when I can use an emulator like MUNT (MT-32) or a VSTi like "RC-55"?

The fixed SoundFont still wins for three reasons:

That said, if you want the full SC-55 experience (including the buggy reverb algorithm), buy a real hardware SC-55 on eBay ($300+) or use the SC-55 SoftSynth (Roland Cloud subscription). But for 99% of users, the fixed SoundFont is 99% identical at 0% of the price.

A properly fixed SC-55 SoundFont will get you 95% of the way to hardware authenticity. It will have the correct punchy bass, the iconic piano, and the proper drum placement. However, die-hard purists note two unfixable differences:

Nevertheless, for 99% of users, a fixed SC-55 SoundFont—properly volume-balanced, remapped, and paired with a Roland-style reverb—is indistinguishable from the hardware in blind listening tests. It saves you from buying a 30-year-old module and gives you that golden era MIDI sound, perfectly restored.

Several versions of "fixed" or improved Roland Sound Canvas SC-55 Go to product viewer dialog for this item. roland sound canvas sc55 soundfont fixed

soundfonts (.sf2) exist, primarily created by enthusiasts to resolve issues like bad sample loops, inaccurate tuning, or missing instruments from the original hardware. Top "Fixed" SC-55 Soundfonts zzdenis (New SC55 Soundfont)

: A major 2022 project featuring 266MB (later 284MB) of all-new 44.1k samples.

Fixed in v0.4/v0.5: Specifically replaced short samples and fixed bad loops found in earlier versions. Features: Multi-velocity layered samples for better dynamics. Roland SC-55 Go to product viewer dialog for this item.

(Improved): Created by tharii314 and available on Musical Artifacts .

Improvements: Includes additional drum kits from later modules (SC-88/88pro) and the MT-32 patches found in Bank 127 of the original unit. Fixes:

Tweaked loop points to reduce file size while maintaining modulation effects by referencing Roland's original RLNDGM.sf2. Patch93’s SC-55

(v2.2 Fixed): A popular choice for DOS gaming that was later updated to improve FluidSynth compatibility and significantly reduce file size (from 125MB to 45MB) without losing quality. Key Features of "Fixed" Versions

Accurate Tuning: Custom projects like the one on Vogons often involve meticulous tuning of every sample to match the hardware's pitch.

Extended Banks: Many fixed versions add GS support, providing bank variations and drum kits (like the TR-808) that standard General MIDI soundfonts often lack. The infamous “SC-55 Pad 2” (Patch 90) loop

Optimized File Size: While original ROMs were tiny (around 1.72MB), soundfonts are larger because they cannot use the hardware's proprietary compression like "mirroring". Fixed versions balance high-quality 16-bit samples with efficient looping to keep sizes between 40MB and 300MB. How to Use These Soundfonts New SC55 Soundfont 266MB (all new 44.1k samples)

Sign In * Doom General Discussion. * New SC55 Soundfont 266MB (all new 44.1k samples) New SC55 Soundfont 266MB (all new 44.1 k samples)

The original SC-55 was the industry standard for 90s PC gaming—most notably for titles like Doom and Duke Nukem 3D. While several SC-55 SoundFonts exist, many suffered from technical limitations:

Bad Loops: Some samples had "clicks" or "pops" at the end of their loop cycles.

Imbalanced Volume: Certain instruments, like the Synth Bass 2, were often too loud, while others like Muted Guitar were barely audible.

Poor Mapping: Early versions often lacked support for GS variation tones or used incorrect sample mappings from other modules. Notable "Fixed" and Improved SoundFonts

Several specific projects are highly regarded by the retro community for fixing these issues: 1. Patch93's SC-55 (v2.2 and later) Often cited as the most "serviceable" and accurate option.

Key Fixes: Versions like v2.2 significantly reduced file size (from 125MB to 45MB) while remaking samples to improve compatibility with modern players like FluidSynth.

Availability: You can find versions of this at Musical Artifacts. 2. The 2022 "New SC55" Project That said, if you want the full SC-55

Developed by users like TheUltimateDoomer666 and zzdenis, this project focused on high-quality 44.1k samples.

v0.4/v0.5 Fixes: Specifically replaced short samples and fixed bad loops found in previous community iterations.

Size: Ranges from 266MB to 302MB due to the higher quality of the new samples. 3. Roland SC-55 (Improved) by tharii314

This version is based on samples by EmperorGriefus and includes several modern refinements.

Improvements: Added missing drum kits and MT-32 patches that the original hardware was intended to offer.

Optimization: Tweaked loop points to lower file size while using math to recover lost modulation effects. How to Use These SoundFonts

To hear these "fixed" sounds in your games or DAW, you generally need two things:

A Player: Free software like Plogue Sforzando or FluidSynth can load the .sf2 files.

A MIDI Source: You can drag a .mid file into a DAW like Reaper or use a MIDI wrapper to redirect game music to the SoundFont player.

💡 Pro-Tip: If you are looking for 100% hardware accuracy, you might also look into Nuked-SC55, an emulator that uses the original firmware ROMs instead of sample-based SoundFonts. If you want to set this up, let me know:

Are you using it for gaming (like Doom) or music production? What operating system are you on?