Decay. Filth. Pure sonic rot.
Necrotic Monstrosity delivers the unmistakable brutality of classic American old-school death metal — captured, refined, and resurrected for Neural Amp Modeler (NAM).
Built around the foundational sounds of early ’90s OSDM, this pack prioritizes aggression, midrange authority, and organic low-end weight over modern polish. These profiles are designed to feel hostile, physical, and alive — the way death metal was meant to sound.
The guitar section features three complete OSDM tone families, inspired by the Morbid Angel, Deicide, and Obituary schools of death metal. Each family is captured across multiple gain stages with a dedicated lead tone, covering everything from tremolo-picked riffs to cavernous chugs and blistering solos.
Necrotic Monstrosity also includes dedicated bass NAM profiles, designed to anchor death metal guitars with crushing low-end presence and aggressive midrange grind — without modern scooping or excessive sub-bass. The bass tones are voiced to sit naturally beneath dense guitar arrangements while maintaining clarity and attack.
Whether you’re writing old-school riffs, tracking a full EP, or re-amping guitars and bass for maximum corpse-level heaviness, Necrotic Monstrosity delivers authentic, mix-ready OSDM tone in seconds.
38 Guitar Profiles
4 Bass Profiles
Guitar Profile Formats
12 × AMP Only
12 × Boost + AMP
12 × Boost + AMP + CAB
2 × Clean (1 × AMP + CAB, 1 × AMP)
Bass Profile Formats
2 × FULL STACK (AMP + CAB)
2 × RAW AMP
Guitar
Covenant – Clear, aggressive, demonic tightness
Blasphemy – Scooped mids, razor attack, high-gain slaughter
SwampRot – Filthy, murky, dripping low-end decay
Bass
Mutilated – Cannibal Corpse–inspired bass tone with brutal midrange grind and controlled low-end weight
Madness – Morbid Angel–inspired bass tone focused on clarity, punch, and sinister low-end authority
Each guitar family includes Low Gain, Medium Gain, High Gain, and Lead profiles to support full songwriting and recording workflows.
Works instantly for writing, tracking, and re-amping.
No fluff. No filler. Just true metal. No compromise.
These profiles were created through a meticulous capture process using real amp chains, boosts, cabinet selections, and high-end monitoring — engineered to preserve the raw, organic character of early ’90s death metal tone.
If you want glossy modern metal, look elsewhere.
If you want rotting, punishing OSDM tone — welcome to Necro Tones.
Old-School Death Metal (OSDM)
Death Doom
Thrash-Influenced Death Metal
Blackened Death
Re-amping raw death metal stems
Writing riffs that smell like a Florida swamp
Compatible with the Neural Amp Modeler plugin and NAM-compatible players. Designed for use in digital audio workstations for guitar recording, writing, re-amping, and production.
This product contains Neural Amp Modeler profile data files for audio tone modeling. Not audio recordings, not WAV files, not impulse response libraries, and not ebooks.
Decay. Filth. Pure sonic rot.
Necrotic Monstrosity delivers the unmistakable brutality of classic American old-school death metal — captured, refined, and resurrected for Neural Amp Modeler (NAM).
Built around the foundational sounds of early ’90s OSDM, this pack prioritizes aggression, midrange authority, and organic low-end weight over modern polish. These profiles are designed to feel hostile, physical, and alive — the way death metal was meant to sound.
The guitar section features three complete OSDM tone families, inspired by the Morbid Angel, Deicide, and Obituary schools of death metal. Each family is captured across multiple gain stages with a dedicated lead tone, covering everything from tremolo-picked riffs to cavernous chugs and blistering solos.
Necrotic Monstrosity also includes dedicated bass NAM profiles, designed to anchor death metal guitars with crushing low-end presence and aggressive midrange grind — without modern scooping or excessive sub-bass. The bass tones are voiced to sit naturally beneath dense guitar arrangements while maintaining clarity and attack.
Whether you’re writing old-school riffs, tracking a full EP, or re-amping guitars and bass for maximum corpse-level heaviness, Necrotic Monstrosity delivers authentic, mix-ready OSDM tone in seconds.
38 Guitar Profiles
4 Bass Profiles
Guitar Profile Formats
12 × AMP Only
12 × Boost + AMP
12 × Boost + AMP + CAB
2 × Clean (1 × AMP + CAB, 1 × AMP)
Bass Profile Formats
2 × FULL STACK (AMP + CAB)
2 × RAW AMP
Guitar
Covenant – Clear, aggressive, demonic tightness
Blasphemy – Scooped mids, razor attack, high-gain slaughter
SwampRot – Filthy, murky, dripping low-end decay
Bass
Mutilated – Cannibal Corpse–inspired bass tone with brutal midrange grind and controlled low-end weight
Madness – Morbid Angel–inspired bass tone focused on clarity, punch, and sinister low-end authority
Each guitar family includes Low Gain, Medium Gain, High Gain, and Lead profiles to support full songwriting and recording workflows.
Works instantly for writing, tracking, and re-amping.
No fluff. No filler. Just true metal. No compromise.
These profiles were created through a meticulous capture process using real amp chains, boosts, cabinet selections, and high-end monitoring — engineered to preserve the raw, organic character of early ’90s death metal tone.
If you want glossy modern metal, look elsewhere.
If you want rotting, punishing OSDM tone — welcome to Necro Tones.
Old-School Death Metal (OSDM)
Death Doom
Thrash-Influenced Death Metal
Blackened Death
Re-amping raw death metal stems
Writing riffs that smell like a Florida swamp
Compatible with the Neural Amp Modeler plugin and NAM-compatible players. Designed for use in digital audio workstations for guitar recording, writing, re-amping, and production.
This product contains Neural Amp Modeler profile data files for audio tone modeling. Not audio recordings, not WAV files, not impulse response libraries, and not ebooks.
Guitar demo performed by @ChuggernautXannieClaus
Independent creator and extreme metal guitarist
Instagram: @dsp.txdm | YouTube: @ChuggernautXannieClaus
