York Audio KW 412 M25-SH is a high-fidelity impulse response (IR) library that captures the acoustic signature of a custom Kerry Wright 4x12 cabinet
. This specific cabinet is legendary in the guitar world because it was custom-built for fusion guitar icon Scott Henderson and loaded with UK-made Celestion G12M 25W Greenback
The following essay explores the significance of this pack in the landscape of digital guitar modeling.
The Digital Preservation of a Fusion Legend: Analyzing the York Audio KW 412 M25-SH
The transition from physical amplifiers to digital modeling has revolutionized music production, but the "soul" of a guitar tone often remains trapped in the physical cabinet. The York Audio KW 412 M25-SH Cab Pack
serves as a bridge between these worlds, offering a digital preservation of one of the most coveted pieces of gear in the fusion and blues-rock community: Scott Henderson’s personal Kerry Wright 4x12. Technical Excellence and Tonal Character
At its core, this IR pack captures the unique "vocal" midrange and warm low-end resonance characteristic of 25-watt Greenbacks. Unlike standard production cabinets, Kerry Wright’s designs are renowned for their exceptional note definition and string-to-string clarity, even when pushed into high-gain territory. Users often note that these IRs provide a "massive" frequency response that sits easily in a mix without the "sizzly" top end or "whoopiness" often found in lesser captures. The Authenticity of the Scott Henderson Collaboration
What sets the KW 412 M25-SH apart is the direct involvement of Scott Henderson. Henderson, known for his meticulous ear for tone, sent his actual cabinet to Justin York for capturing. The pack includes a dedicated "Scott Henderson" folder, which features IRs created using Henderson’s personal mic placements—the exact configurations he uses to achieve his signature live and studio sounds. This provides guitarists with an unprecedented level of access to professional-grade signal chains that were previously reserved for elite studios. Versatility and Integration
While Greenbacks are traditionally associated with classic rock and blues, the York Audio pack demonstrates remarkable versatility. It has been utilized effectively for everything from "edge of breakup" tones to modern high-gain metal, with artist signature mixes even being adopted by players like Jim Adkins of Jimmy Eat World. The files are compatible with all major digital platforms, including hardware units from Fractal Audio , Line 6, and Kemper, as well as DAW plugins. Conclusion
The York Audio KW 412 M25-SH is more than just a collection of WAV files; it is a meticulously engineered tool that democratizes high-end guitar tone. By capturing the nuances of a legendary cabinet through mastering-grade conversion and expert mic placement, it allows the modern digital guitarist to experience the depth, dimension, and "feel" of a world-class physical rig. included in this pack or learn how to import these IRs into a specific modeler like the Axe-Fx III
The York Audio KW 412 M25-SH is an impulse response (IR) collection designed to capture the unique sonic signature of fusion guitar legend Scott Henderson’s personal Kerry Wright 4x12 cabinet. This cabinet is widely regarded as a pinnacle of boutique craftsmanship, specifically tailored to produce a "vocal" midrange and articulate top end. Core Configuration
Cabinet: Custom-built Kerry Wright 4x12, known for its high-quality construction and resonant wood properties.
Speakers: Loaded with UK-made Celestion G12M 25W "Greenbacks".
The Tonal Profile: Unlike standard Greenback IRs, this pack is noted for its "fat and clear" character, offering a deep, resonant low end without losing string-to-string clarity. Feature Highlights
Scott Henderson Signature Placements: The pack includes a dedicated "Scott Henderson" folder featuring the exact microphone positions Henderson uses in the studio.
Extensive Microphone Selection: Features captures from 10 distinct microphones, including industry staples like the Shure SM57, Sennheiser MD421, and Royer R-121.
Curated Mixes: Includes 15 multi-mic mixes, ranging from "plug-and-play" studio blends to specialty mixes for artists like Jim Adkins of Jimmy Eat World.
Stereo Room Ambience: Includes stereo room mixes to provide a more immersive "amp-in-the-room" feel, especially useful for headphone practice. Performance and Compatibility
The pack is provided in high-resolution .WAV formats (44.1 kHz, 48 kHz, and 96 kHz), making it compatible with all major hardware modelers and software suites, including:
York Audio KW 412 M25-SH an impulse response (IR) library designed to faithfully replicate the unique sonic footprint of a custom-built Kerry Wright 4x12 cabinet
. This specific cabinet was originally crafted for fusion guitar legend Scott Henderson and is loaded with vintage-voiced Celestion G12M 25W Greenback York Audio Core Features and Sound Profile The "Henderson" Tone
: The pack includes a dedicated "Scott Henderson" folder containing the exact mic placements he uses on his personal cabinet. Acoustic Characteristics
: It is known for a warm, thick low end, a "woody" vocal-like midrange, and an articulate top end that avoids harshness while maintaining string-to-string clarity. Stereo Room Captures : A standout feature of this pack is the inclusion of Stereo Room captures
and mixes designed to provide a natural "amp-in-the-room" feeling, particularly effective for headphone users. Versatility
: While based on a vintage-style Greenback, it is widely used for both classic Plexi-style tones and modern high-gain sounds, providing a "fat and clear" resonance. York Audio Included Content According to the KW 412 M25-SH product page , the pack typically includes: Individual Mic Captures
: Multiple microphone options (such as the Shure SM57, Sennheiser MD421, and various ribbon mics) placed at different "sweet spots" on the speaker. Signature Mixes
: Expertly blended multi-mic IRs for "plug-and-play" use, including custom artist signature mixes for Jim Adkins of Jimmy Eat World. Hardware Compatibility : The files are provided in format, making them compatible with major modelers like Fractal Audio , Line 6 Helix, Kemper, and DAW plugins. York Audio User and Professional Reception
Scott Henderson himself has praised the pack, stating that it is "life-changing" because he cannot hear a difference between the IRs and his physical cabinet. Community reviews on The Gear Forum
frequently highlight York Audio IRs as a significant upgrade over stock cabinet simulations due to their mix-ready quality and detailed resonance. which microphones are included in this specific pack or how to load these IRs york audio kw 412 m25sh irs
into a specific modeler like the Fractal Axe-Fx or Line 6 Helix? AI responses may include mistakes. Learn more KW 412 M25-SH - York Audio
The York Audio KW 412 M25SH IRS is a high-performance, four-driver loudspeaker system designed for professional audio applications. With its cutting-edge design, advanced materials, and meticulous engineering, this speaker system has established itself as a benchmark for exceptional sound quality and reliability.
One of the standout features of the York Audio KW 412 M25SH IRS is its unique driver configuration. The system incorporates four high-quality drivers, each carefully selected for its specific role in reproducing the audio spectrum. The M25SH designation indicates that the system employs 25mm (1 inch) voice coil, high-frequency drivers that are capable of producing extremely detailed and accurate sound. These drivers are precision-crafted to ensure optimal performance, with a focus on clarity, dynamics, and smooth frequency response.
The KW 412's enclosure is designed to provide an optimal acoustic environment for the drivers, while also ensuring ruggedness and durability. The cabinet is built with high-quality materials and features a carefully optimized shape to minimize resonances and maximize sound quality. The result is a speaker system that delivers clear, detailed sound with excellent dispersion and imaging.
The IRS (Infinite Radiating Surface) technology incorporated into the York Audio KW 412 M25SH IRS is another significant factor in its exceptional performance. This innovative design approach enables the system to produce a more extensive and uniform sound field, with reduced interference and increased overall clarity. By optimizing the way sound waves radiate from the drivers, the IRS technology helps to create a more immersive and engaging listening experience.
The York Audio KW 412 M25SH IRS is designed for a variety of professional audio applications, including live sound reinforcement, recording studios, and installations. Its versatility, reliability, and exceptional sound quality make it an attractive choice for audio professionals seeking a high-performance speaker system.
In conclusion, the York Audio KW 412 M25SH IRS represents a pinnacle of loudspeaker design and engineering. With its advanced driver configuration, optimized enclosure, and innovative IRS technology, this system sets a new standard for sound quality and performance. For audio professionals seeking a reliable and exceptional speaker system, the York Audio KW 412 M25SH IRS is an outstanding choice.
York Audio KW 412 M25-SH is an impulse response (IR) cab pack modeled after fusion legend Scott Henderson’s personal Kerry Wright 4x12 cabinet
. It is widely considered a top-tier choice for capturing classic and modern "Greenback" tones with exceptional clarity and detail. York Audio Key Specifications & Features Cabinet Source: A custom Kerry Wright 4x12 cabinet loaded with UK-made Celestion G12M 25W Greenback Tone Profile:
Features a warm, thick low end, the signature vocal midrange of Greenbacks, and an articulate top end that avoids harsh "sizzle". Unique Folders: Includes a dedicated "Scott Henderson" folder containing his specific personal microphone placements. Artist Mixes: Includes three custom mixes created for Jim Adkins of Jimmy Eat World. Stereo Room Captures:
Features new stereo room captures and mixes (using an AEA R88) designed to provide a natural "amp-in-the-room" feel, especially through headphones. York Audio Microphone Selection
The pack includes captures from a wide variety of microphones, including: York Audio
Shure SM57 (Modern and Vintage Unidyne III), SM58, SM7, Sennheiser MD421 (Modern and Vintage), and e906.
Royer R-121, Beyerdynamic M160, Shure KSM313, and vintage STC 4119. Condenser:
Telefunken U47, ADK U67, Dachman Audio U87i, Neumann KM 184, and AKG C414. Technical Details 24-bit .WAV files at 44.1k, 48k, and 96k sample rates. Resolution:
500ms IRs for maximum resolution, compatible with standard hardware truncation. Compatibility: Seamlessly integrates with Fractal Audio Line 6 Helix , and various DAW plugins. York Audio This pack is available directly from the York Audio product page specific microphone mixes are recommended for high-gain versus clean tones? KW 412 M25-SH - York Audio
The KW 412 M25-SH Cab Pack is based on a Kerry Wright 4x12 cabinet loaded with UK made Celestion G12M 25w Greenback speakers. York Audio
The York Audio KW 412 M25-SH Cab Pack is a collection of impulse responses (IRs) based on a custom-built Kerry Wright 4x12 cabinet owned by fusion guitar legend Scott Henderson. It is loaded with UK-made Celestion G12M 25-watt Greenback speakers and is designed to provide an authentic digital recreation of this specific, rare cabinet. Key Features and Content
Signature Folders: Includes a "Scott Henderson" folder containing the guitarist's personal mic placements. It also features three custom mixes created for Jim Adkins of Jimmy Eat World.
Stereo Room Captures: This pack introduced new Stereo Room captures (Small and Large Room options) and Stereo Mixes, utilizing real room ambience to create an "amp in the room" feel for headphone or stereo monitoring.
Massive Mic Selection: Over 18 different microphones were used, including classic dynamics like the Shure SM57 (modern and vintage), ribbons like the Royer R-121, and condensers like the Telefunken U47 and AKG C414.
Format & Compatibility: IRs are provided in .WAV format (24-bit 96k, 48k, and 44.1k) and are 500ms long for high resolution. They are compatible with hardware like Fractal Audio, Line 6 Helix, Strymon, and Kemper, as well as various DAW plugins. Tonal Profile Low End: Warm, thick, and resonant without being "whoopy".
Midrange: Features the classic, vocal character of Greenback speakers with a woody "thump" on pick attack.
High End: Highly detailed and articulate, offering string-to-string clarity without excessive harshness or sizzle. KW 412 M25-SH - York Audio
Subject: York Audio KW 412 M25SH
Type: 4x12 Guitar Cab Impulse Response Pack
Core Components: 1970s Marshall basketweave cab, Celestion G12M-25 (pre-rola) speakers, Shure SM57, Royer R-121.
(Note: model names vary by region and vendor; assume compact, budget-friendly home audio gear.)
The York Audio KW 412 M25SH IRs exhibit a distinct three-dimensional EQ curve that differentiates them
Overview
The York Audio KW 412 M25SH IRS is a 4-way, bi-amped loudspeaker system that boasts an impressive combination of power, precision, and versatility. This system is designed to deliver exceptional sound quality, making it suitable for a wide range of applications, including live concerts, festivals, theatrical productions, and installations.
Design and Construction
The KW 412 M25SH IRS features a rugged, tour-grade enclosure constructed from 3/4-inch plywood, with a durable, textured finish. The speaker system is comprised of four custom-designed drivers:
The drivers are carefully mounted in a proprietary, computer-optimized waveguide system, which helps to control dispersion and minimize unwanted resonances.
Acoustic Performance
The York Audio KW 412 M25SH IRS is designed to deliver exceptional acoustic performance, with a frequency response of 38 Hz to 18 kHz (-3 dB). The system's bi-amped configuration, featuring two dedicated amplifiers for the low- and high-frequency sections, ensures optimal power distribution and minimizes the risk of amplifier overload.
The M25SH woofers provide deep, articulate bass, while the mid-range driver offers clear, detailed reproduction of the critical midrange frequencies. The high-frequency driver delivers crisp, accurate treble, with a smooth, even dispersion pattern.
Key Features
Some notable features of the York Audio KW 412 M25SH IRS include:
Technical Specifications
Here are some key technical specifications for the York Audio KW 412 M25SH IRS:
Conclusion
The York Audio KW 412 M25SH IRS is an exceptional loudspeaker system, designed to deliver high-quality sound and reliable performance in a wide range of applications. With its bi-amped design, 4-way configuration, and computer-optimized waveguide, this system offers an unbeatable combination of power, precision, and versatility. Whether you're a live sound engineer, installer, or audio enthusiast, the KW 412 M25SH IRS is definitely worth considering.
The primary paper or documentation related to the York Audio KW 412 M25-SH
is the official York Audio KW 412 M25-SH Manual. This cab pack is based on a custom Kerry Wright (KW) 4x12 cabinet owned by fusion guitarist Scott Henderson (SH), loaded with UK-made Celestion G12M 25w Greenback speakers. Key Technical Specifications Cabinet: Custom Kerry Wright 4x12. Speakers: UK Celestion G12M 25w Greenbacks.
Format: .WAV files in 24-bit 96k, 48k, and 44.1k sample rates. Resolution: 500ms IR length for maximum resolution.
Phase Options: Both Natural Phase and Minimum Phase versions are provided.
Impedance Curve: The manual suggests a low resonance frequency of 115 Hz for accurate modeling in units like Fractal Audio. Unique Features
Scott Henderson Folder: Contains IRs based on Scott's personal mic placements using a Shure SM57, ranging from "57-9" (brightest) to "57-1" (darkest).
Artist Mixes: Includes custom multi-mic mixes created for Jim Adkins of Jimmy Eat World.
Stereo Room Captures: Introduces Stereo Room (RMS/RML) captures and Stereo Mixes (STM) using an AEA R88 for "amp in the room" realism.
Microphone Selection: Utilizes a wide variety of mics, including vintage Shure SM57 (Unidyne III), Royer R-121, Telefunken U47, and Sennheiser MD421. KW 412 M25-SH - York Audio
KW 412 M25-SH Cab Pack York Audio is a high-fidelity impulse response (IR) library based on a custom Kerry Wright 4x12 cabinet owned by fusion legend Scott Henderson
. This pack is widely considered a gold standard for "Greenback" tones, offering a blend of vintage warmth and modern clarity. Core Specifications & Features Custom-built Kerry Wright 4x12. Celestion G12M 25W Greenbacks Sonic Profile:
Characterized by a thick, warm low end, vocal-like midrange, and highly articulate top end. Included Files: 24-bit .WAV files at 44.1k, 48k, and 96k sample rates. Unique Content: "Scott Henderson" Folder:
Custom captures of Henderson’s personal preferred mic placements. Artist Mixes:
Three signature mixes created for Jim Adkins of Jimmy Eat World. Stereo Room Captures:
New stereo room IRs designed to provide an "amp-in-the-room" feel, especially effective for headphone monitoring. Compatibility York Audio KW 412 M25-SH is a high-fidelity
The pack is designed to work seamlessly with all major hardware and software modelers: Optimized for Fractal Audio (Axe-Fx, FM3/9), Line 6 Helix Neural DSP Kemper Profiler Required for Strymon Iridium Performance & User Experience
Reviewers and professional musicians have praised this pack for its "mix-ready" quality, noting that the multi-mic mixes often require minimal EQ to sit perfectly in a track. Scott Henderson himself stated that the IRs are an indistinguishable replica of his physical cabinet, calling the accuracy "life-changing".
The York Audio KW 412 M25-SH Go to product viewer dialog for this item.
is widely regarded as a benchmark for Greenback impulse responses, particularly for players seeking a balance between classic warmth and modern clarity. Product Overview
This pack is a faithful recreation of fusion legend Scott Henderson’s personal Kerry Wright 4x12 cabinet, loaded with UK-made Celestion G12M 25W Greenbacks. York Audio spent months capturing the specific nuances of this "legendary" cabinet, even upgrading their studio hardware (converters and preamps) to ensure an authentic match. Key Tonal Characteristics
Detailed Top End: Unlike some older Greenback IRs that can sound "woolly," this pack is noted for its articulation and string-to-string definition.
Warm Low-Mids: Users report a "meaty" and "punchy" low end that fills out the spectrum without being overly bassy or requiring heavy EQ to sit in a mix.
"Amp in the Room" Feel: A standout feature is the inclusion of Stereo Room captures and Stereo Mixes designed to provide a more natural experience when playing through headphones.
Edge-of-Breakup Performance: The cabinet is highly recommended for "EOB" tones, offering a resonant depth that feels alive under the fingers. Included Features & Variety
Standard Feature Set: 79 single mic captures using 10 different microphones, plus 15 multi-mic mixes.
"Scott Henderson" Folder: Includes the specific mic placements Scott uses on this cabinet in his own studio.
Stereo Options: New Stereo Room and Stereo Mixes that use real room ambience to create a realistic 3D soundstage. Comparison & Verdict
Reviewers frequently compare this to other York Audio M25 packs, noting it is a "big step up" in terms of balance and pleasing frequency response. It is often cited as a "Swiss Army knife" for guitarists because it handles everything from clean Vox-style chime to high-gain Marshall crunch with ease.
For more technical details or to purchase, you can visit the Official Product Page at York Audio.
Tone for Days: Why the York Audio KW 412 M25-SH is a Game-Changer
If you’ve spent any time in the world of digital modeling, you know that your Impulse Response (IR) is arguably the most critical part of your signal chain. It’s the "final frontier" that transforms a fizzy direct signal into a breathing, authentic guitar tone.
One pack that has been making serious waves lately is the York Audio KW 412 M25-SH. Whether you're a blues-fusion head or a modern rocker, this pack might just be the "holy grail" of Greenback IRs. What Makes This Pack Special?
The "KW" in the name stands for Kerry Wright, a legendary custom cabinet builder whose work is revered by tone purists. This specific pack is based on the personal Kerry Wright 4x12 cabinet of fusion icon Scott Henderson.
Loaded with UK-made Celestion G12M 25W Greenbacks, this cab is known for a very specific tonal profile:
Warm, Thick Low End: It feels substantial without getting "muddy" or "wooly".
Vocal Midrange: That classic Greenback "honk" that helps guitars sit perfectly in a mix.
Articulate Top End: Detailed enough for complex chords, but smooth enough to avoid harsh "sizzle". What’s Inside the Pack?
York Audio doesn't just throw a mic at a speaker and call it a day. This pack is the result of months of testing and extensive studio upgrades.
94 High-Quality IRs: Includes 79 single mic captures and 15 multi-mic mixes.
The "Scott Henderson" Folder: This is a standout feature—it contains the exact mic placements Scott Henderson uses on this cabinet for his legendary live and studio tones.
Stereo Room Captures: New for this pack, these IRs provide a natural stereo image that mimics an "amp-in-the-room" feel, perfect for headphone practice.
Diverse Mic Selection: Captures from the ubiquitous Shure SM57 to the Royer R-121 ribbon and even more boutique options. Why You Should Care
Most IR packs suffer from "option paralysis." You spend more time scrolling through 500 files than actually playing. York Audio's "ear-tuned" philosophy means the hard work is done for you. Their multi-mic mixes (like Mix 01) are widely considered "plug-and-play" ready. York Audio KW-412 — A small powered bookshelf/desktop