pi-multifx-pedal/docs/nam-ir-inventory.md

NAM Model & Cabinet IR Inventory

Generated: 2026-06-13 Source: pelennor2170/NAM_models community collection on GitHub (GPL v3) Format: All models are WaveNet architecture (NAM A1), verified JSON, feather class (< 1 MB each)

NAM Amp Models

Bank 0 — Clean & Edge (Factory Presets 0-3)

Preset	File	Size	Source Model	Notes
Clean Jazz	Fender_TwinVerb_Clean.nam	399 KB	Fender Twin Reverb Normal Bright (sdatkinson)	Sparkling clean, slightly scooped mids
Edge of Breakup	Magnatone_Super59_Pushed.nam	398 KB	Magnatone Super 59 Mkii Pushed (Tim R)	Bluesy breakup, dynamic touch response
Clean with Chorus	Fender_TwinVerb_Vibrato.nam	399 KB	Fender Twin Vibrato Bright (Tim R)	Warmer clean, slight chorus character
Dynamic Fingerstyle	Vox_AC15_TopBoost.nam	411 KB	Vox AC15 Top Boost (Phillipe P)	Chimey, complex mids, fingerstyle clarity
Alternate: Clean	JCM2000_Clean.nam	398 KB	Marshall JCM2000 Clean (Tim R)	Crisp, tight clean — good for funk

Bank 1 — Drive & Lead (Factory Presets 4-7)

Preset	File	Size	Source Model	Notes
Classic Rock	Orange_Rockerverb.nam	398 KB	Orange Rockerverb (Tom C / Axe FX)	Thick midrange, classic rock crunch
Classic Rock	JCM2000_Crunch.nam	398 KB	Marshall JCM2000 Crunch (Tim R)	Tight crunch, very responsive
Lead Solo	5150_BlockLetter_Boosted.nam	397 KB	EVH 5150 Block Letter boosted (Helga B)	Searing leads, tight low end
Lead Solo	Engl_Savage.nam	398 KB	ENGL Savage 120 (Tom C / Axe FX)	Modern high-gain, saturated sustain
Metal Rhythm	6505_Red_NoBoost.nam	397 KB	Peavey 6505+ Red ch (Helga B)	Classic metal rhythm, aggressive mids
Metal Rhythm	Splawn_ProMod_3rd.nam	397 KB	Splawn Pro Mod 3rd Gear (Tim R)	Tight percussive chug, modern metal
Ambient Wash	Fender_TwinVerb_Clean.nam	399 KB	(reuse Clean Jazz)	Clean canvas for ambient FX chain
Alternate: Lead	JCM900_Lead.nam	398 KB	JCM900 Dual Verb ch.A g6 (Tim R)	Smooth lead, 90s rock/metal

Pedal Captures (FX Bench & Boost/OD Blocks)

File	Size	Source Model	Best For
Klon_Centaur_High.nam	397 KB	Klon Centaur-style (Keith B)	Clean boost, mid-hump overdrive
TubeScreamer_Maxed.nam	195 KB	Ibanez TS808 Mini maxed (Tudor N)	Tubescreamer-style clean boost
Mesa_MarkIV_Lead.nam	398 KB	Mesa Boogie Mark IV lead (Roman A)	Singing lead, thick harmonics
Bogner_Ecstasy.nam	397 KB	Ceriatone Molecular 50 (Tudor N)	Bogner-style versatile overdrive

Feather Models (Ultra-low CPU — RPi 4B Optimized)

These are ~90 KB models with minimal CPU footprint, ideal for RPi 4B.

File	Size	Source	Inference Cost (est.)
BOSS_SD1_Feather.nam	90 KB	BOSS SD-1 overdrive (Phillipe P)	~0.5 ms per 256-block
MXR_M77_Feather.nam	91 KB	MXR M77 Badass OD (Phillipe P)	~0.5 ms
TS808_Feather.nam	90 KB	Maxon OD808 (Phillipe P)	~0.5 ms
Precision_Drive_Feather.nam	90 KB	Precision Drive (Phillipe P)	~0.5 ms
Friedman_PowerAmp_Feather.nam	90 KB	Friedman DSM EL84 (Sascha S)	~0.5 ms

Bank 2 — Blues Captures (from Tone3000/ToneHunt)

File	Size	Source	Type	Best For
Fender_Princeton_Clone_Clean.nam	289 KB	Hand-Wired Princeton Clone Clean (A1)	Clean	Clean jazz, fingerstyle blues
Fender_Princeton_Clone_EOB.nam	288 KB	Hand-Wired Princeton Clone EOB (A2)	Edge-of-Breakup	Dynamic blues, touch response
Fender_Tweed_Dlx_Edge.nam	288 KB	Fender Tweed Deluxe The Edge w/ Celestion Blue (A2)	Edge-of-Breakup	Tweed-style pushed blues
Fender_Twin_Reverb_Clean_A2.nam	290 KB	Fender Twin Reverb Clean (A2)	Clean	Sparkling blues clean
TwoRock_JTM_Signature.nam	276 KB	Two-Rock John Mayer Signature Prototype (A1)	Clean/Edge	Blooming clean, Mayer-style
Dumble_ODS_102_Rock_A1.nam	87 KB	Dumble ODS #102 Clone Rock setting (A1, feather)	Pushed OD	Smooth overdrive, SRV-style
Dumble_ODS_102_Rock_A2.nam	289 KB	Dumble ODS #102 Clone Rock setting (A2)	Pushed OD	Smooth overdrive, SRV-style
Marshall_Bluesbreaker_1962_A2.nam	289 KB	Marshall Bluesbreaker 1962 (A2)	Pushed Blues	Classic blues rock, Clapton-style
Marshall_Bluesbreaker_Pedal.nam	290 KB	Marshall Bluesbreaker Pedal (Original) Setting 1 (A1)	Pedal OD	Pedal-based blues overdrive

Bank 3 — New Clean & Blues Captures (Tone3000 A2)

Downloaded from Tone3000 Supabase storage (public bucket). All are SlimmableContainer (A2) v0.7.0.

File	Size	Source Model	Creator	Best For
Fender_Deluxe_Reverb_A2.nam	650 KB	Fender Deluxe Reverb (A2)	sdatkinson	Sparkling clean, iconic Fender clean tone
Roland_JC-120_A2.nam	289 KB	Roland JC-120 Jazz Chorus (A2)	tone3000	Pristine clean, jazz chorus chorus effect
Marshall_JMP50_Plexi_A2.nam	287 KB	Marshall JMP-50 Lead 1969 Plexi (A2)	amalgamaudio	Classic blues-rock breakup, Plexi crunch
Park75_1968_Plexi_A2.nam	287 KB	PARK 75 (1968 Plexi Marshall KT88) (A2)	newgearmag	Presence full — pushed Plexi blues
Park75_1968_Plexi_Noon_A2.nam	287 KB	PARK 75 (1968 Plexi Marshall KT88) (A2)	newgearmag	All noon — cleaner Plexi edge

Legacy Models (Linear Architecture — synthetic, ~35-85 KB)

These remain in ~/.pedal/nam/ for backward compatibility:

Fender_Twin_Clean.nam, Vox_AC15_TopBoost.nam, Marshall_JCM800.nam, Mesa_Boogie_MarkV.nam, Roland_Jazz_Chorus.nam, Orange_AD30.nam, Fender_Bassman_59.nam, 5150_EVH.nam, Engl_Powerball.nam, Diezel_VH4.nam

Cabinet IRs

Built-in Synthetic IRs (generated by scripts/generate_seed_irs.py)

Located in ~/.pedal/irs/. All are 48 kHz, 16-bit mono WAV.

File	Length	Type	Best Genres
vintage-1x12.wav	2048 / 43ms	Fender-style 1x12 open back	Clean Jazz, Blues, Fingerstyle
british-4x12.wav	4096 / 85ms	Marshall 1960A 4x12 closed back	Classic Rock, Crunch
american-2x12.wav	2048 / 43ms	Vox AC30 2x12 open back	Clean, Chimey, Edge-of-Breakup
modern-4x12.wav	4096 / 85ms	Mesa Rectifier 4x12 closed back	Metal, High Gain
jazz-1x15.wav	2048 / 43ms	15" open back	Jazz, Bass Cleans
boutique-1x12.wav	2048 / 43ms	Dumble-style 1x12	Smooth Cleans, Blues
mini-1x8.wav	1024 / 21ms	Small practice amp	Lo-fi, Vintage Radio

Real IRs (downloaded from GitHub: fnpngn/IR)

Downloaded 2026-06-13 from https://github.com/fnpngn/IR (git-lfs). Source packs: DYNAX, 1960a, Allure, ML Sound Lab, Dauntless, Master Of Puppets, Modern Metal Songwriter, FREE BASS IR. All converted to 48 kHz, 16-bit mono WAV.

1x12 Open Back (Fender-style — Clean, Ambient, Blues)

File	Length	Source	Best Genres
1x12-fender-deluxerev-dynax.wav	500ms	DY Fend DeluxeRev (Fender Deluxe Reverb 1x12, A mic pos)	Clean Jazz, Blues, Fingerstyle
1x12-fender-deluxerev-b-dynax.wav	500ms	DY Fend DeluxeRev (B mic pos)	Clean Jazz, Blues
1x12-fender-deluxerev-c-dynax.wav	500ms	DY Fend DeluxeRev (C mic pos)	Clean Jazz, Blues
1x12-fender-hotrod-dynax.wav	500ms	DY Fend HotRod DX (Fender Hot Rod Deluxe 1x12, A pos)	Clean, Edge-of-Breakup
1x12-fender-hotrod-b-dynax.wav	500ms	DY Fend HotRod DX (B pos)	Clean, Blues
1x12-egnater-dynax.wav	500ms	DY Egnater 1x12 combo	Clean, Ambient
1x12-bogner-cb-dynax.wav	500ms	DY Bognar 112CB (Bogner 1x12 closed back)	Rock, Edge
1x10-fender-tweed-59-allure.wav	40ms	Allure_59_Tweed_P10N (Vintage 1x10)	Lo-fi, Vintage Clean
1x12-fender-deluxe-64-allure.wav	40ms	Allure_64_USDeluxe_P12N (Fender Deluxe 1x12)	Clean, Blues

2x12 Open Back (Vox AC30-style — Clean, Ambient, Blues)

File	Length	Source	Best Genres
2x12-vox-ac30-dynax.wav	500ms	DY VX AC30C (Vox AC30 2x12, A pos)	Chimey Clean, Edge-of-Breakup
2x12-vox-ac30-blue-dynax.wav	500ms	DY VX AC306 (Vox AC30 2x12 Blue Alnico, A pos)	Chimey, Ambient
2x12-vox-ac30-g12-allure.wav	40ms	Allure_64_A30_G12 (Vox AC30, G12 speaker)	Clean, Edge-of-Breakup
2x12-matchless-dc30-dynax.wav	500ms	DY MATCHL DC30BK (Matchless DC30 2x12, A pos)	Chimey, Complex mids
2x12-fender-twin-dynax.wav	500ms	DY Fend Twin Rev (Fender Twin Reverb 2x12, A pos)	Sparkling Clean
2x12-fender-tonemaster-dynax.wav	500ms	DY Fend Tone Maister (Fender Tonemaster 2x12)	Clean, Country
2x12-bogner212-dynax.wav	500ms	DY Bognar212 (Bogner 212, A pos)	Rock, Edge

4x12 Closed Back (Marshall 1960-style — Rock, Classic Rock, Crunch)

File	Length	Source	Best Genres
4x12-marshall-1960a-sm57-0in-0c.wav	500ms	1960A SM57, 0in-0c (cap edge, on-axis)	Classic Rock, Crunch
4x12-marshall-1960a-sm57-0in-1c.wav	500ms	1960A SM57, 0in-1c (between cap and cone)	Classic Rock
4x12-marshall-1960a-sm57-0in-2c.wav	500ms	1960A SM57, 0in-2c (cone edge)	Classic Rock, Blues
4x12-marshall-1960a-sm57-0in-3c.wav	500ms	1960A SM57, 0in-3c (cone middle)	Rock, Lead
4x12-marshall-1960a-sm57-0in-4c.wav	500ms	1960A SM57, 0in-4c (center)	Rock, High Gain
4x12-marshall-1960a-sm57-capedge.wav	500ms	1960A SM57, 0.5in-0c (cap edge)	Classic Rock
4x12-marshall-1960a-i5-0in.wav	500ms	1960A Audix i5, 0in-0c	Rock, Lead
4x12-marshall-1960a-i5-1c.wav	500ms	1960A Audix i5, 0in-1c	Rock
4x12-marshall-1960ahw-dynax.wav	500ms	DY Mars 412 1960AHW (Marshall 1960AHW)	Rock, Classic Rock
4x12-marshall-jcm800-1960a-dynax.wav	500ms	DY Mars412 JC800 1960A (Marshall JCM800)	Rock, Hard Rock
4x12-marshall-jcm800-1960b-dynax.wav	500ms	DY Mars412 JC800 1960B (Marshall JCM800 alt)	Rock
4x12-marshall-mop-sm57.wav	500ms	Master Of Puppets, SM57 mic	Metal, Thrash
4x12-marshall-mop-c414.wav	500ms	Master Of Puppets, AKG C414 mic	Metal, Lead
4x12-marshall-mop-blended.wav	500ms	Master Of Puppets, blended mix	Rock, Metal

4x12 Modern (Mesa Rectifier-style — Metal, High Gain, Djent)

File	Length	Source	Best Genres
4x12-mesa-rectifier-dynax.wav	500ms	DY MasaBoo Recti412 (Mesa Rectifier 4x12, A pos)	Metal, High Gain
4x12-mesa-rectifier-armored-dynax.wav	500ms	DY MasaBoo Recti412 Armored	Modern Metal, Djent
4x12-peavey-5150-dynax.wav	500ms	DY PEV5150 412SL (Peavey 5150 4x12)	Metal, Nu-Metal
4x12-evh-5150-ic-v1.wav	500ms	5150 IC V1 (EVH 5150)	Metal, Lead
4x12-engl-e412-dynax.wav	500ms	DY ENG E412VHB (ENGL 4x12)	Modern Metal, Djent
4x12-engl-fireball-sm48-dauntless.wav	500ms	Dauntless: Engl Fireball SM48	Metal, Death
4x12-engl-fireball-b906-dauntless.wav	500ms	Dauntless: Engl Fireball B906	Metal
4x12-engl-fireball-sc140-dauntless.wav	500ms	Dauntless: Engl Fireball SC140	Metal
4x12-diezel-v412-dynax.wav	500ms	DY DIEZL V412 (Diezel 4x12)	Modern Metal
4x12-friedman-dynax.wav	500ms	DY Fried 412 (Friedman 4x12)	Rock, Metal
4x12-bogner412-dynax.wav	500ms	DY Bognar412 (Bogner 4x12)	Rock
4x12-orange-ppc412-dynax.wav	500ms	DY ORENG 412PPC (Orange PPC412)	Rock, Doom, Stoner
4x12-smith-v30-sm57-dc.wav	500ms	SMG UK V30 SM57 DC (V30, close mic)	Rock, High Gain
4x12-smith-v30-440-dc.wav	500ms	SMG UK V30 440 DC (V30, different mic)	Rock
4x12-mesa-modern-ic.wav	500ms	Mesa Modern IC (Mesa Boogie)	Modern Metal
4x12-mesa-c414-xl2.wav	500ms	Mesa c414 XL2 (AKG C414)	Metal
4x12-ml-soundlab-color-calibrated.wav	200ms	ML Sound Lab Color Calibrated IR	Modern Metal
4x12-ml-soundlab-tube-color.wav	200ms	ML Sound Lab Tube Color IR	Modern Metal
4x12-ml-soundlab-ss-color.wav	200ms	ML Sound Lab Solid State Color IR	Modern Metal
4x12-ml-soundlab-best-ir.wav	500ms	ML Sound Lab BEST IR IN THE WORLD	General Rock/Metal
4x12-ml-soundlab-djentle-keyan.wav	500ms	ML Sound Lab Djentle Keyan (48kHz)	Djent, Modern Metal
4x12-ml-soundlab-djentle-keyan-44k.wav	500ms	ML Sound Lab Djentle Keyan (converted 44→48k)	Djent

Bass Cab IRs

File	Length	Best Genres
bass-balanced.wav	500ms	General bass
bass-clanky.wav	500ms	Clanky/modern bass
bass-classic.wav	500ms	Classic bass
bass-half_and_half.wav	500ms	All-purpose bass
bass-more_mids.wav	500ms	Mid-heavy bass
bass-rumble_bass.wav	500ms	Sub-heavy bass
bass-rumble_jr.wav	500ms	Light bass
bass-thick_classic.wav	500ms	Thick classic bass
bass-use_fuzz.wav	500ms	Distorted bass
bass-use_on_sub_track.wav	500ms	Sub-track bass

Previous attempt — Archive.org (unavailable)

The following Archive.org sources returned 404 when last checked (2026-06-13):

Pack	URL	Contents
God's Cab	archive.org/download/godscab-ir-pack/	100+ IRs (412, 1960, V30, Greenback) — CC0
Seacow Cabs	archive.org/download/seacow-cabs-free-ir-2023/	Boutique IRs, 15+ cabs — Free for personal use

To retry when Archive.org is back: python3 scripts/download_nam_and_irs.py --irs

Genre-to-Model Mapping

Clean Jazz (Preset 0)

• Amp: Fender_TwinVerb_Clean.nam (or JCM2000_Clean.nam)
• Cab: vintage-1x12.wav (or jazz-1x15.wav)

Edge of Breakup (Preset 1)

• Amp: Magnatone_Super59_Pushed.nam (or Vox_AC15_TopBoost.nam)
• Cab: american-2x12.wav (or boutique-1x12.wav)

Clean with Chorus (Preset 2)

• Amp: Fender_TwinVerb_Vibrato.nam
• Cab: vintage-1x12.wav

Dynamic Fingerstyle (Preset 3)

• Amp: Vox_AC15_TopBoost.nam
• Cab: american-2x12.wav

Classic Rock (Preset 4)

• Amp: Orange_Rockerverb.nam (or JCM2000_Crunch.nam)
• Cab: british-4x12.wav

Lead Solo (Preset 5)

• Amp: 5150_BlockLetter_Boosted.nam (or Engl_Savage.nam)
• Cab: modern-4x12.wav
• Boost: BOSS_SD1_Feather.nam or TS808_Feather.nam

Metal Rhythm (Preset 6)

• Amp: 6505_Red_NoBoost.nam (or Splawn_ProMod_3rd.nam)
• Cab: modern-4x12.wav

Ambient Wash (Preset 7)

• Amp: Fender_TwinVerb_Clean.nam (highly modulated FX chain)
• Cab: vintage-1x12.wav

Blues Clean (Bank 2)

• Amp: Fender_Princeton_Clone_Clean.nam (or Fender_Twin_Reverb_Clean_A2.nam, or TwoRock_JTM_Signature.nam)
• Cab: 1x12-fender-deluxerev-dynax.wav (or vintage-1x12.wav, 1x12-fender-hotrod-dynax.wav)

Blues Edge-of-Breakup (Bank 2)

• Amp: Fender_Princeton_Clone_EOB.nam (or Fender_Tweed_Dlx_Edge.nam)
• Cab: 2x12-vox-ac30-dynax.wav (or american-2x12.wav, 2x12-matchless-dc30-dynax.wav)

Blues Pushed / Overdrive (Bank 2)

• Amp: Dumble_ODS_102_Rock_A2.nam (or Marshall_Bluesbreaker_1962_A2.nam)
• Cab: 4x12-marshall-1960a-sm57-0in-2c.wav (or british-4x12.wav, 4x12-marshall-1960ahw-dynax.wav)
• Boost: Marshall_Bluesbreaker_Pedal.nam (or TubeScreamer_Maxed.nam)

File Locations

~/.pedal/
├── models/                  # 37 models (22 core + 9 blues + 5 clean/plexi A2 + 1 bonus ML)
│   ├── Fender_TwinVerb_Clean.nam
│   ├── Fender_TwinVerb_Vibrato.nam
│   ├── Vox_AC15_TopBoost.nam
│   ├── Magnatone_Super59_Pushed.nam
│   ├── JCM2000_Clean.nam
│   ├── Orange_Rockerverb.nam
│   ├── JCM2000_Crunch.nam
│   ├── JCM900_Lead.nam
│   ├── 5150_BlockLetter_Boosted.nam
│   ├── 6505_Red_NoBoost.nam
│   ├── Engl_Savage.nam
│   ├── Splawn_ProMod_3rd.nam
│   ├── 5152_Lead_TS9.nam
│   ├── Klon_Centaur_High.nam
│   ├── TubeScreamer_Maxed.nam
│   ├── Mesa_MarkIV_Lead.nam
│   ├── Bogner_Ecstasy.nam
│   ├── BOSS_SD1_Feather.nam          # 90 KB
│   ├── MXR_M77_Feather.nam           # 90 KB
│   ├── TS808_Feather.nam             # 90 KB
│   ├── Precision_Drive_Feather.nam   # 90 KB
│   ├── Friedman_PowerAmp_Feather.nam # 90 KB
│   │
│   ├── Bank 2 — Blues captures:
│   ├── Fender_Princeton_Clone_Clean.nam     # 289 KB — Blues Clean
│   ├── Fender_Princeton_Clone_EOB.nam       # 288 KB — Blues Edge
│   ├── Fender_Tweed_Dlx_Edge.nam            # 288 KB — Tweed Pushed
│   ├── Fender_Twin_Reverb_Clean_A2.nam      # 290 KB — Blues Clean
│   ├── TwoRock_JTM_Signature.nam            # 276 KB — Clean/Edge
│   ├── Dumble_ODS_102_Rock_A1.nam           # 87 KB — Pushed OD feather
│   ├── Dumble_ODS_102_Rock_A2.nam           # 289 KB — Pushed OD
│   ├── Marshall_Bluesbreaker_1962_A2.nam    # 289 KB — Blues Rock
│   ├── Marshall_Bluesbreaker_Pedal.nam      # 290 KB — Pedal OD
│   │
│   ├── Bonus — ML Sound Lab (from GitHub: fnpngn/IR):
│   ├── ML NAM AI Cab.nam                    # 298 KB — Cab modeling NAM (WaveNet)
│   │
│   └── Bonus — A2 slimmable models (from prior runs):
│       ├── Fender_Deluxe_Reverb_A2.nam      # 301 KB — Deluxe Reverb (Slimmable v0.7.0)
│       ├── Marshall_JMP50_Plexi_A2.nam      # 302 KB — Plexi (Slimmable v0.7.0)
│       ├── Park75_1968_Plexi_A2.nam         # 301 KB — Park 75 Plexi (Slimmable v0.7.0)
│       ├── Park75_1968_Plexi_Noon_A2.nam    # 302 KB — Park 75 Plexi noon (Slimmable)
│       └── Roland_JC-120_A2.nam             # 304 KB — JC-120 Jazz Chorus (Slimmable)
│
├── nam/                     # Legacy location (symlinked from models/)
│   ├── Fender_TwinVerb_Clean.nam → ../models/Fender_TwinVerb_Clean.nam
│   ├── (10 legacy Linear models remain)
│   └── ...
│
└── irs/                     # 7 synthetic + 62 real IRs (48kHz, mono)
    ├── vintage-1x12.wav                    # synthetic
    ├── british-4x12.wav                    # synthetic
    ├── american-2x12.wav                   # synthetic
    ├── modern-4x12.wav                     # synthetic
    ├── jazz-1x15.wav                       # synthetic
    ├── boutique-1x12.wav                   # synthetic
    ├── mini-1x8.wav                        # synthetic
    ├── 1x12-*.wav                          # 9 real IRs (Fender Deluxe, Hot Rod, etc.)
    ├── 2x12-*.wav                          # 7 real IRs (Vox AC30, Matchless, etc.)
    ├── 4x12-*.wav                          # 36 real IRs (Marshall 1960A, Mesa Rectifier, etc.)
    ├── bass-*.wav                          # 10 real IRs (bass cab captures)
    ├── README.md
    └── default/
        └── default_ir.wav

Verification

All 37 models were:

• 22 models from https://raw.githubusercontent.com/pelennor2170/NAM_models/main/
• 9 blues models from Tone3000 / ToneHunt Supabase storage
• 5 clean/plexi A2 models from Tone3000 Supabase storage (new)
• 1 bonus ML Sound Lab model from GitHub: fnpngn/IR
• All verified as valid .nam JSON files (WaveNet, SlimmableContainer, or A2 architecture)
• All under 700 KB each (feather class — safe for RPi 4B real-time inference)

To verify models load correctly:

python3 -c "
from src.dsp.nam_host import NAMHost
h = NAMHost(models_dir='$HOME/.pedal/models')
for m in h.list_available_models():
    print(f'{m.name:30s} {m.architecture:10s} {m.size_mb:.2f} MB')
"

Scripts

Script	Purpose
scripts/download_nam_and_irs.py	Download models + IRs from GitHub/Archive.org
scripts/download_nam_and_irs.sh	Shell alternative (legacy)
scripts/download_models.sh	Old generator (synthetic models)
scripts/download_irs.sh	Old IR downloader

Upgrade Path

1. More real IRs: When Archive.org is back, run python3 scripts/download_nam_and_irs.py --irs to get God's Cab and Seacow Cabs packs.
2. NAM A2 models: These are community WaveNet captures (v0.5.0 A1 format). For true A2 slimmable models, capture your own gear with neural-amp-modeler v0.7+ or download from Tone3000 (requires account).
3. More models: Browse https://www.tone3000.com/search with "Amp Head" filter for additional captures.
4. Additional IR sources (may require sign-up):
   • Lancaster Audio free pack: https://lancasteraudio.com/ (search "free impulse responses")
   • ML Sound Lab: https://mlsoundlab.com/pages/free-impulse-responses
   • Celestion Plus: https://celestionplus.com/ (requires account)