Pedal Library
Classic guitar effects, broken down: topology, controls, signal chain, and complete BOMs. 37 presets include verified mod recipes with the Pro tier.
- OverdrivePro1979
Ibanez TS808 Tube Screamer
The mid-humped op-amp overdrive that defined modern blues-rock.
2N5088Preview →4 mods · 20 parts - DistortionPro1978
Pro Co RAT
Op-amp distortion with hard clipping to ground — gritty, percussive, iconic.
LM308/LM741Preview →4 mods · 22 parts - FuzzPro1966
Dallas Arbiter Fuzz Face
Two-transistor germanium fuzz — Hendrix in a smiley-face enclosure.
BC108Preview →4 mods · 13 parts - FuzzPro1969
Electro-Harmonix Big Muff Pi
Four-stage transistor fuzz with diode clipping in two stages — walls of sustain.
2N5088Preview →4 mods · 20 parts - Distortion1978
Boss DS-1 Distortion
Asymmetric op-amp distortion — bright, cutting, and on every pro pedalboard at some point.
JRC4558View details → - Boost1968
Electro-Harmonix LPB-1 Linear Power Booster
One transistor, one knob — the simplest clean(ish) boost in the world.
2N5088View details → - Compressor1976
MXR Dyna Comp
OTA-based optical-feel compressor — the Nashville chicken-pickin' standard.
TL072LM13700 (OTA)CA3080 (OTA)2N5089View details → - ModulationPro1974
MXR Phase 90
Four-stage JFET phaser — Eddie Van Halen's swirl.
TL072Preview →4 mods · 7 parts - Delay1999
PT2399 Analog-Voiced Digital Delay
The cheap, dirty, beloved 'bucket-brigade-ish' delay chip behind hundreds of DIY pedals.
TL072NE5532PT2399View details → - Reverb~2008
Belton Brick Spring-Voiced Reverb
Three-PT2399-in-a-block digital reverb — the cleanest 'analog-feeling' DIY verb.
TL072View details → - OverdrivePro1994
Klon Centaur
Mythical 'transparent' overdrive — clean blend, charge-pumped headroom, and a price tag to match.
TL072MAX1044Preview →3 mods · 11 parts - Distortion1973
MXR Distortion+
One op-amp, two germanium diodes, and a whole lot of Randy Rhoads.
View details → - OverdrivePro1995
Boss BD-2 Blues Driver
Discrete JFET/op-amp hybrid with a touch-sensitive, almost-tweed feel.
Preview →2 mods · 10 parts - Modulation1974
Electro-Harmonix Small Stone
OTA-based four-stage phaser with a wide, watery sweep and an iconic Color switch.
TL072LM13700 (OTA)View details → - Boost1978
MXR Micro Amp
Single-knob op-amp clean boost — up to +26 dB of see-through gain.
TL072View details → - FuzzPro1973
Tycobrahe Octavia
Full-wave rectified octave-up fuzz — Hendrix's 'Purple Haze' solo in a box.
2N3904Preview →2 mods · 8 parts - Delay2008
MXR Carbon Copy Analog Delay
All-analog bucket-brigade delay — dark, warm repeats up to 600 ms.
TL072NE5532View details → - Modulation1979
Boss CE-2 Chorus
BBD analog chorus — the watery shimmer behind countless '80s clean tones.
TL072View details → - OverdrivePro1981
Boss SD-1 Super Overdrive
Asymmetric-clipping cousin of the Tube Screamer — slightly more open and aggressive.
Preview →3 mods · 7 parts - OverdrivePro1991
Marshall Bluesbreaker
Soft-clipping op-amp overdrive that became the blueprint for the King of Tone, Morning Glory, and every modern 'transparent' OD.
TL0722N54572N5457 (JFET)Preview →3 mods · 7 parts - OverdrivePro2004
Fulltone OCD
MOSFET hard-clipping 'amp-like' overdrive — the modern boutique benchmark.
2N5457J201 (JFET)2N5457 (JFET)Preview →3 mods · 8 parts - DistortionPro1979
DOD 250 Overdrive Preamp
Single op-amp + hard-clipping diodes — the Yngwie Malmsteen / MXR Distortion+ cousin in a yellow box.
Preview →3 mods · 6 parts - FuzzPro1968
Univox Super-Fuzz
Octave-up two-transistor fuzz with the meanest 'ring' in rock — Pete Townshend's secret sauce.
BC549Preview →3 mods · 7 parts - FuzzPro1995
Z.Vex Fuzz Factory
Five-knob germanium madness — gated splat, oscillation, and Velcro fuzz on demand.
Preview →3 mods · 5 parts - EQ/FilterPro1982
Dunlop Cry Baby GCB-95 Wah
The world's most-used wah — inductor-based bandpass filter swept by your foot.
Preview →4 mods · 7 parts - ModulationPro1968
Shin-ei Uni-Vibe
Four-stage photocell phaser pretending to be a Leslie — Hendrix's 'Machine Gun' shimmer.
Preview →3 mods · 6 parts - DelayPro1976
Electro-Harmonix Deluxe Memory Man
BBD analog delay with chorus/vibrato — the dreamy edge of The Edge.
JRC4558TL072MN3005/3007 (BBD)Preview →3 mods · 9 parts - FuzzPro1962
Maestro Fuzz-Tone FZ-1
The first commercial fuzz pedal — three RCA 2N270 germaniums that defined 'Satisfaction'.
Preview →3 mods · 5 parts - FuzzPro1966
Sola Sound Tone Bender MkII Professional
Three-germanium British fuzz — Jimmy Page's 'Whole Lotta Love' tone.
OC-series (Ge)Preview →3 mods · 6 parts - BoostPro1965
Dallas Rangemaster Treble Booster
Single-transistor germanium treble boost — Brian May, Tony Iommi, Clapton's 'Beano' tone.
OC-series (Ge)Preview →3 mods · 6 parts - BoostPro1970
Colorsound Power Boost
Two-stage silicon boost with treble/bass tone — David Gilmour's 'Animals' lead voice.
BC184Preview →3 mods · 5 parts - ModulationPro1976
Electro-Harmonix Electric Mistress
BBD analog flanger with filter-matrix sweep — Andy Summers' chime and Gilmour's swirl.
JRC4558TL072SAD1024 (BBD)Preview →3 mods · 8 parts - ModulationPro1975
MXR Phase 45
Two-stage JFET phaser — subtler, sweeter cousin of the Phase 90.
JRC4558J201 (JFET)Preview →3 mods · 6 parts - CompressorPro1986
Boss CS-3 Compressor Sustainer
OTA compressor with tone control — the workhorse on pedalboards for 35+ years.
TL072Preview →3 mods · 7 parts - ModulationPro1980
Boss BF-2 Flanger
MN3207 BBD flanger — the silver Boss box behind countless '80s jet swooshes.
TL072TL074Preview →3 mods · 8 parts - DelayPro1986
Boss DD-3 Digital Delay
Sample-rate-converted digital delay with a hold function — the pedalboard standard for clean repeats.
TL072Preview →3 mods · 9 parts - ReverbPro2000
Electro-Harmonix Holy Grail Reverb
First widely-affordable Spin-FV1-style digital reverb — Spring, Hall, and Flerb in a small box.
TL072NE5532Preview →3 mods · 8 parts - ModulationPro2005
Electro-Harmonix POG (Polyphonic Octave Generator)
DSP-based polyphonic octaves — pretend to be a Hammond organ on demand.
TL072NE5532Preview →3 mods · 7 parts - ModulationPro1982
Boss OC-2 Octave
Analog frequency-divider octave-down — Jack White, Tom Morello, every modern doom-rock riff.
TL072CD40xx (CMOS)Preview →3 mods · 8 parts - EQ/FilterPro1972
Musitronics Mu-Tron III
OTA-based envelope filter — Stevie Wonder's clavinet, Bootsy Collins's bass, Jerry Garcia's voice.
TL072CA3080 (OTA)Preview →3 mods · 7 parts - EQ/FilterPro1979
Electro-Harmonix Bassballs
Twin envelope filter with distortion — squelchy, vocal, slightly absurd.
JRC4558TL072LM13700 (OTA)Preview →3 mods · 8 parts - ModulationPro1972
Electro-Harmonix Frequency Analyzer
Analog ring modulator — atonal bell tones, broken-radio textures, Vader's voice.
JRC4558TL072CA3080 (OTA)Preview →3 mods · 6 parts - ModulationPro1997
Boss TR-2 Tremolo
Compact OTA tremolo — simple, reliable, the pedalboard default.
TL072Preview →3 mods · 7 parts - DistortionPro1991
Boss MT-2 Metal Zone
Dual-stage hard-clipping distortion with active 3-band EQ — the sound of nu-metal.
TL072Preview →3 mods · 7 parts - DelayPro1982
Maxon AD-9 Analog Delay
MN3205 BBD analog delay with NJM4558 mix — the warm, dark cousin of the DD-3.
TL072Preview →3 mods · 9 parts - FuzzPro1978
Electro-Harmonix Op-Amp Big Muff (V4)
Op-amp variant of the Big Muff — the Smashing Pumpkins 'Siamese Dream' wall of fuzz.
Preview →3 mods · 6 parts - EQ/FilterPro1981
Boss GE-7 Graphic Equalizer
Seven-band ±15 dB graphic EQ — the surgical mid-cut every metal player owns.
Preview →3 mods · 6 parts