This is a list of our modules and the effects they "compare to"

Rack Effect Modules to Guitar Pedals

Module Type Pedal
12K68 Amp Sim Brown Sound In A Box II (Ed Guidry BSIAB II) - many variants
12K68 - Summit Amp Sim Wampler Pinnacle
18V Power Power GT original power module, compare to numerous power supplies
ABY Routing numerous ABY switch pedals
American Pi  Fuzz EHX Big Muff Pi v9
Amp Pass Thru Routing GT module
Amp Selector Routing various transformer-isolated amp selector switch pedals
Analog Delay AD-10 Delay Ibanez CD-10 Delay Champ
Analog Delay AD-80 Delay Ibanez AD-80 Analog Delay
Analog Delay AD-9A Delay Ibanez AD-9 Analog Delay
Analog Delay AD-9B Delay Ibanez AD-9 Analog Delay
Analog Delay AD-900 Delay Ibanez AD-900 Analog Delay
Analog Delay AD-99 Delay Ibanez AD-99 Analog Delay
Analog Delay AD-DMM Delay EHX Deluxe Memory Man
Analog Delay AD-XO Delay EHX Deluxe Memory Man XO
Analog Delay AD-4005 Delay Customized EHX Deluxe Memory Man
Analog Delay ADM-2 Delay Boss DM-2 Delay
Analog Delay ADM-2W Delay Boss DM-2W Delay
Analog Delay ADM-3 Delay Boss DM-3 Delay
Angus Boost Schaffer-Vega Diversity System, SoloDallas Storm
Army Pi  Fuzz Sovtek Red Army Overdrive, early Sovtek "Civil War" Big Muff Pi
Barrettone Overdrive Selmer Buzztone
Bass Boost Boost EHX Hog's Foot, EHX Mole
Beast Pi  Fuzz EHX Big Muff Pi v1 Triangle, KR 66#6
BeeAll Bee's Knees V1 Amp Sim BJFE Honey Bee Overdrive (3-knob)
BeeAll Bee's Knees AV1 Amp Sim Bearfoot Honey Bee Overdrive (3-knob)
BeeAll Bee's Knees V2 Amp Sim BJFE Honey Bee Overdrive (4-knob)
BeeAll Bee's Knees AV2 Amp Sim Bearfoot Honey Bee Overdrive (4-knob), numerous Honey Bair, Sunshine Girl, other versions
BeeAll Bee's Knees Deluxe Amp Sim Bearfoot Honey Bee Plus
BeeAll Bumble Bee AV1 Amp Sim Bearfoot Model H v1
BeeAll Bumble Bee AV2 Amp Sim Bearfoot Model H v2
BeeAll Bumble Bee AV3 Amp Sim Bearfoot Model HS
BeeAll Cloudberry Amp Sim BJFE Blueberry Bass Overdrive
BeeAll Elderberry Amp Sim Mad Professor Blueberry Bass Overdrive
BeeAll Hornet V1 Amp Sim BJFE Model G
BeeAll Hornet AV1 Amp Sim Bearfoot Model G
BeeAll Huckleberry Amp Sim Bearfoot Blueberry Bass Overdrive
BeeAll Killer Bee Amp Sim Bearfoot Honey Beest
BeeAll Killer Bee Deluxe Amp Sim Bearfoot Honey Beest Plus
BeeAll Queen Bee Amp Sim Bearfoot Uber Bee
BeeAll Queen Bee Deluxe Amp Sim Bearfoot Uber Bee Plus
BeeAll Red Wasp Amp Sim Bearfoot Dyna Red Hot Distortion
BeeAll Wasp V1 Amp Sim BJFE Dyna Red Distortion (3-knob)
BeeAll Wasp AV1 Amp Sim Bearfoot Dyna Red Distortion (3-knob)
BeeAll Wasp AV2 Amp Sim Bearfoot Dyna Red Distortion (4-knob)
BeeAll Worker Bee Amp Sim Bearfoot Silver Bee
BeeAll Worker Bee Deluxe Amp Sim Bearfoot Silver Bee Plus
BeeAll Yellow Jacket V1 Amp Sim BJFE Sparkling Yellow Overdrive OD1
BeeAll Yellow Jacket AV1 Amp Sim Bearfoot Sparkling Yellow Overdrive OD1
BeeAll Yellow Jacket V2 Amp Sim BJFE Sparkling Yellow Overdrive OD2
BeeAll Yellow Jacket AV2 Amp Sim Bearfoot Sparkling Yellow Overdrive OD2
BeeAll Yellow Jacket AV3 Amp Sim Bearfoot Sparkling Yellow Overdrive OD3
Ben Distortion ProCo Rat (original)
Ben 2 Distortion ProCo Rat 2
Big Black Pi  Fuzz Sovtek "black, big box" Big Muff Pi
Black Pearl Chorus Pearl CH-02 Chorus
Black Pi  Fuzz EHX Big Muff Pi v3, KR 79#2
Blue Grit Overdrive J. Nagy Blue Magic
Blues Booster Overdrive Boss BD-2 Blues Driver
Bluesbuster - AA, AT Amp Sim JHS @ Andy Timmons
Bluesbuster - AC Amp Sim JHS Angry Charlie
Bluesbuster - CB Amp Sim MI Audio Crunch Box, Super Crunch Box
Bluesbuster - DM Amp Sim Marshall Drive Master
Bluesbuster - MG Amp Sim JHS Morning Glory
Bluesbuster - POT Amp Sim Analogman Prince of Tone ("half" of King of Tone)
Bluesbuster - SR Amp Sim Suhr Riot
Bluesbuster - V1, V2 Amp Sim vintage Marshall Bluesbreaker, many others
Boa Constrictor Compressor Ross Compressor, Keeley Compressor, MXR Dyna Comp, Analogman Comprossor, Way Huge Saffron Squeeze, several others
Bodhi Drive Amp Sim Love Pedal Zendrive
Boogeyman Amp Sim Dr Boogie
Boosted Pi  Fuzz Blackout Effectors Musket
Box Pi  Fuzz EHX Big Muff Pi v2, KR Box Cap
BritBuffer Buffer Pete Cornish Buffer
British Pi  Fuzz Pete Cornish G-2
Bubble Pi  Fuzz Sovtek "Bubble Font" Big Muff Pi
ByeBye Pi  Fuzz EHX Big Muff Pi v6 Tone Bypass, KR Tone Bypass
Bypass Looper Routing numerous looper pedals
Chainsaw Distortion Boss Heavy Metal HM-2, DOD FX56 American Metal
Clone Pi  Fuzz EHX Big Muff Pi v1 Triangle, KR 72#2
Color Bomb Boost Sola/Colorsound Power Boost
Color Drive Overdrive Sola/Colorsound Overdriver
ColorTrem Tremolo Sola/Colorsound Tremolo
Colossal Pi  Fuzz MojoHandFX Colossus
Cow Pi  Fuzz EarthQuakerDevices Hoof
Creator Pi  Fuzz Jordan Creator
Crema Boost Boost Dallas Rangemaster, Keeley Java Boost, Analogman Beano Boost, many others
D-II Distortion MXR Distortion II
Delta Pi  Fuzz EHX Big Muff Pi v1 Triangle, KR 66#5b
Digital Delay - Ocean Blue Delay Mad Professor Deep Blue Delay
Digital Delay - DD Delay various PT2399-based digital delays
Digital Delay - DD Plus Delay various PT2399-based digital delays
Digital Delay - DD Deluxe Delay various PT2399-based digital delays
Digital Delay - DD Super Deluxe Delay various PT2399-based digital delays
Digital Reverb Reverb GT original digital reverb, compare to others using Belton Reverb ICs
Dirt Pi  Fuzz Hohner Tri-Dirty Booster
Dirty Ben Distortion ProCo You Dirty Rat
Diver Pi  Fuzz DiceWorks Muff Diver Finale
Dream Pi  Fuzz Sustain Punch Creamy Dreamer
Edge Boost Boost Boss FA-1 FET Amplifier
Egyptian Pi  Fuzz Black Arts Toneworks Pharaoh
Elk Pi  Fuzz Elk Big Muff Sustainar
FBomb Boost Catalinbread Epoch Pre, Chase Tone Secret Preamp, ClinchFX EP-Pre, Dunlop Echoplex Preamp, MXR Echoplex Preamp, Xotic EP Boost, others
FET Drive Amp Sim Wampler Plexi Drive
Filler Module Filler GT original, empty module space filler
Fire Pi Fuzz Mad Professor Fire Red Fuzz
First Pi  Fuzz EHX Big Muff Pi v1 Triangle, KR 66#5
FL-117 Flanger MXR-117 Flanger
FlatTop Distortion Wampler Triple Wreck
Fox Pi  Fuzz EHX Big Muff Pi v1 Triangle, KR 67#1
Funkbox Envelope / Filter Musitronics Mu-Tron III, Univox Funky Filter, Monacor Effectmatic, EHX Q-Tron, HAZ Mu-Tron III+, MuFX Mu-Tron III and Tru-Tron 3X
Fuzzball Fuzz Skreddy Lunar Module
Fuzzbender 1.5 Fuzz Sola/Colorsound Tonebender Mk 1.5 (2 transistors)
Fuzzbender 1.5-V Fuzz Vox V828 Tonebender (2 transistors), Vox V829 Tonebender (2 transistors)
Fuzzbender I Fuzz Sola/Colorsound Tonebender Mk I
Fuzzbender I-H Fuzz Tonebender Mk I (Gary Hurst)
Fuzzbender I-Z Fuzz Hornby-Skewes Zonk Machine
Fuzzbender II Fuzz Sola/Colorsound Tonebender Mk II Pro (germanium)
Fuzzbender II Si Fuzz Sola/Colorsound Tonebender Mk II Pro (silicon)
Fuzzbender II Supa Fuzz Marshall SupaFuzz
Fuzzbender III Fuzz Sola/Colorsound Tonebender Mk III (germanium)
Fuzzbender III Si Fuzz Sola/Colorsound Tonebender Mk III (silicon)
Fuzzbender III - BBB Fuzz Baldwin-Burns Buzzaround
Fuzzbender III - PFS Fuzz Park Fuzz Sound
Fuzzbender III - SB Fuzz Fulltone Soul-Bender (original)
Fuzzbender III - TB Fuzz Tone Burner
Fuzzbender III - V Fuzz Vox Tonebender Mk III
Fuzzbender III - YB Fuzz Prescription Electronics Yard Box
Fuzzifaction 1 Fuzz Maestro FZ-1
Fuzzifaction 1A Fuzz Maestro FZ-1A
FuzzMixer Fuzz Fender Blender (original)
Fuzztavia Fuzz Tychobrahe Octavia, Roger Mayer Octavia
Green Light Overdrive Mad Professor Little Green Wonder, other Ibanez Tube Screamer variants
Green Pi  Fuzz EHX Big Muff Pi v1 Triangle, KR 66#11
GT-820 Overdrive Maxon OD-820 Overdrive Pro, Maxon VOP-9 Vintage Overdrive
GT-830 Overdrive Maxon DS-830 Distortion Master
GT-855 Overdrive Ibanez OD 855 v2 and v3, Maxon D&S II OD-802
GT-90 Phaser MXR Phase 90 (script and block)
GTM-45 BOR Amp Sim ZVEX Box of Rock
GTM-45 CB Amp Sim JHS Charlie Brown
Guitar Pass Thru Routing GT module
Highball Fuzz Skreddy Screwdriver
Honcho Fuzz Jordan Boss Tone, Voodoo Lab SuperFuzz
IC Pi Fuzz EHX Big Muff Pi, op amp versions
In/Out Pass Thru Routing GT module
Inversion Drive Overdrive GT original, similar to Emma Electronic ReezaFRATzitz, Craig Anderton Tube Sound Fuzz, Moosapotamus Tube Steak Fuzz, Way Huge Red Llama, and other inverter chip drive/fuzz circuits
Inversion Fuzz Fuzz GT original, similar to Emma Electronic ReezaFRATzitz, Craig Anderton Tube Sound Fuzz, Moosapotamus Tube Steak Fuzz, Way Huge Red Llama, and other inverter chip drive/fuzz circuits
Janhi Drive Amp Sim Vemuram Jan Ray
JP4 Pi Fuzz Skreddy Top Fuel (early)
Jumbo Pi  Fuzz Sola/Colorsound Jumbo Tonebender, other Jumbo Tonebender variants
KGB Pi  Fuzz Skullytone Russian Spy
LeoTrem Tremolo EA Tremolo
Little Rock Phaser EHX Small Stone
Mixer Routing various mixer pedals
MOAB Boost Univox UniDrive UD-50
Ms Pinky Flanger EHX Electric Mistress, multiple versions
Ms Pinky Deluxe Flanger EHX Electric Mistress Deluxe, multiple versions
Mudslinger Routing GT original
MultiBuffer - K Buffer "Klon" Buffer
MultiBuffer - M Buffer MOSFET Buffer
MultiBuffer - T Buffer "Tube Screamer" Buffer
Neurotic Drive Overdrive Fulltone OCD (multiple versions)
Nitro Pi Fuzz Skreddy Top Fuel (later)
Nuclear Pi  Fuzz Earthbound Audio Supercollider
Obsidian Drive Overdrive Blackstone Appliances Blackstone MOSFET Overdrive
OD-850 Pi  Fuzz Ibanez OD-850 v1 and v2, Maxon D&S OD 801
OD-9 Pi  Fuzz Ibanez OD-850 v3, Ibanez OD-9 (original)
OD-II Distortion Ibanez Overdrive II OD-855 v1 "Flying Fingers"
OptiPhase Phaser Mutron Phasor II
Pandora's Box Overdrive Bixonic Expandora
Petite Black Pi  Fuzz Sovtek "black, small box" Big Muff Pi
Pickled Pi  Fuzz Way Huge Swollen Pickle (original)
Piglet Pi  Fuzz MojoHandFX Iron Bell
Pink Pi  Fuzz Skreddy Mayo
PlexiSS Amp Sim Carl Martin Plexitone
Pork Pi  Fuzz Skreddy P19
Prime Minister Amp Sim Marshall Guv'nor
Purple Pi  Fuzz EHX Big Muff Pi v2, KR Violet v2
Queen Boost Boost Brian May Treble Boost
Rack Switch DIN Switching GT module
Rack Switch VGA Switching GT module
Ram Pi  Fuzz BYOC Large Beaver (Ram's Head)
Ratverb Reverb Realistic Electronic Reverb 32-1110
Red Pi  Fuzz  EHX Big Muff Pi v3, KR 76#3
Ripper Amp Sim Marshall Shred Master
RR+ Distortion MXR Distortion + (Block and Script), DOD Overdrive Preamp 250 (several versions), DOD Overdrive Preamp YJM308
Ruby Drive Amp Sim JHS Superbolt, JHS Ruby Red
Sabre Boost Keeley Katana
Shiney Fuzz Fuzz Univox SuperFuzz, Shin Ei SuperFuzz
Shrieking Gull Boost EHX Screaming Bird
Small Chorus Chorus EHX Small Clone
Sonic Boom Boost EHX LPB-1, EHX LPB-2
SS+ Distortion Pete Cornish SS-2, Top Tone Light Drive
Starship Fuzz Fuzz Roger Mayer Axis Fuzz
Stereo Chorus Chorus Boss DC-2 Dimension C Chorus, Roland SDD-320 Dimension D rack chorus
Sultan of Squeeze Compressor Musitronics Dan Armstrong Orange Squeezer
Supa Pi  Fuzz  Sola/Colorsound Supa Tonebender
Super Nova Delay t.c. electronic ND-1 Nova Delay
Swapper Routing various effects order switching pedals
Sweeper Flanger A/DA Flanger (various versions)
SwirlOVibe Phaser Univibe and several univibe derivatives such as FoxRox AquaVibe
Switch + Switching GT module
Switch X Switching GT module
Tall Pi  Fuzz Sovtek later "Civil War" Big Muff Pi, Sovtek "Tall Font" Big Muff Pi
Teledrive Overdrive Nobels ODR-1
The One Overdrive Boss OD-1 OverDrive
The Other One Distortion Boss DS-1 Distortion (original)
The Prince Flanger Boss BFF-2 Flanger
Timhi Amp Sim Paul Cochrane Timmy
Tone TwEQer7 Equalizer Boss GE-7 Equalizer
Tone TwEQer7 - Bass Equalizer Boss GE-7B Bass Equalizer
Top Pi  Fuzz Top Tone DG-2
Trail Boss Boost Dallas Rangemaster, Keeley Java Boost, Analogman Beano Boost, many others
Treble Boost Boost  Vox Treble Booster
Tube Reverb Reverb GT design, compares roughly to old tube spring reverbs, not derived directly from any particular vintage reverb
Turbo Ben Distortion ProCo TurboRat
Unicorn Overdrive Klon Centaur
V1 3uF Pi  Fuzz EHX Big Muff Pi v1 Triangle, KR 66#8
V1 72 Pi  Fuzz EHX Big Muff Pi v1 Triangle, KR 72#1
V2 47 Pi  Fuzz EHX Big Muff Pi v2, KR 47
V2 73 Pi  Fuzz EHX Big Muff Pi v2, KR 73
V2 75 Pi  Fuzz EHX Big Muff Pi v2, KR handrawn 1975
V2 751 Pi  Fuzz EHX Big Muff Pi v2, KR 75#1
V2 76 Pi  Fuzz EHX Big Muff Pi v2, KR 76#1
VibraChorus Chorus Boss CE-2 Chorus Ensemble, Way Huge Blue Hippo, several others
VibraChorus Bass Chorus Boss CE-2B Bass Chorus
VibraChorus CS-505 Chorus Ibanez CS-505 Chorus, Maxon Insta-Chorus CS-505
Violet Pi  Fuzz EHX Big Muff Pi v2, KR Violet v1
Vintage Ben Distortion ProCo Vintage Rat
Virago Bass Overdrive Ibanez Tube Screamer for Bass
Virago Black Overdrive Lovepedal Eternity (black)
Virago Burst Overdrive Lovepedal Eternity (burst)
Virago CJOD Overdrive Clay Jones Overdrive, Landgraff Dynamic Overdrive
Virago FD1 Overdrive Fulltone Fulldrive 1
Virago FD2 Overdrive Fulltone Fulldrive 2
Virago FD2M Overdrive Fulltone Fulldrive 2 MOSFET
Virago Forever Overdrive Lovepedal Eternity (original)
Virago GS Overdrive BBE Green Screamer
Virago Kanji Overdrive Lovepedal Eternity (Kanji)
Virago MOSFET Overdrive Ibanez Tube Screamer with MOSFET technology
Virago PD Overdrive Wampler Paisley Drive
Virago RTO Overdrive Fulltone Robin Trower Overdrive
Virago SD1 Overdrive Boss SD-1 Super Over Drive
Virago SOS Overdrive Jack Orman Son of Screamer
Virago TS-808 Overdrive Ibanez TS-808 Tube Screamer
Virago TS-9 Overdrive Ibanez TS-9 Tube Screamer
Virago Zoo Overdrive Lovepedal Kalamazoo
Virtuoso Phaser Phaser Maestro MP-1 Phaser
Vixen Pi  Fuzz Guild Foxey Lady
Warthog Power GT original power module, similar to various power supplies and bricks or a boxful of transformers
White Pi  Fuzz EHX Big Muff Pi v2, KR White Can
Woodchuck Pi  Fuzz BYOC Large Beaver (Triangle)
Woodstock 108 Fuzz Analogman Sunface BC108
Woodstock Ge Fuzz Fuzz Face (original, germanium) multiple brands, many variants
Woodstock Ge 69 Fuzz Fulltone '69
Woodstock GT Ge Fuzz GT custom germanium Fuzz Face
Woodstock GT Si Fuzz GT custom silicon Fuzz Face
Woodstock JH-F1 Fuzz Dunlop JH-F1 Fuzz Face
Woodstock Jimi Fuzz germanium Fuzz Face with Jimi Hendrix mods
Woodstock MJM Fuzz MJM London Fuzz (germanium)
Woodstock Si Fuzz Fuzz Face (original, silicon) multiple brands, many variants
Woodstock Si/Ge Fuzz Easy Face
Woodstock Si 70 Fuzz Fulltone '70
Woodstock TSF Ge Fuzz Cesar Diaz Square Face (germanium)
Woodstock TSF Si Fuzz Cesar Diaz Square Face (silicon)
Woody Boost ZVEX Super Hard On (SHO), ZVEX Channel 2
ZonkBox Marc II Fuzz Hornby-Skewes Shatterbox