Akashic Guitar effects circuit lookup

Parts · Diodes

9V1

Zener 9.1 V.260 circuits use this part. Listed as: Zener diode 1/2W, 9.1V; 1N4739A 1N4739 Zener Diode 9.1V 1W; Zener diode, 9V, DO-41; Semiconductors; Standard Diode.

Zeners for 9.1 V

The parts list gives only the voltage, so any zener of that voltage fits. A 500 mW part in DO-35 suits clipping and most pedal uses; the 1 W and 1.3 W parts are larger (DO-41) and only needed where the zener carries real current, such as clamping a supply rail. Check the spacing on the board before ordering the bigger body.

PartSeriesPowerPackageBoardsDatasheet
1N5239B1N52xxB500 mWDO-3510vishay.com
BZX55C9V1BZX55500 mWDO-351vishay.com
BZX79C9V1BZX79500 mWDO-35nexperia.com
1N757A1N7xxA500 mWDO-352centralsemi.com
1N46961N4678-4717500 mWDO-35centralsemi.com
1N4739A1N47xxA1 WDO-4140vishay.com
BZX85C9V1BZX851.3 WDO-41vishay.com
FaceplateCircuitBased onCategoryVendorBoxKnobsPriceBOM
Apollo Mk. I Preamp Drive BS170 Catalinbread WIIO · 125B Catalinbread WIIOOverdriveAion FX125B4$12.50 58
Apollo Mk. II Preamp Drive 2N7000 Catalinbread RAH · 125B Catalinbread RAHOverdriveAion FX125B3$12.50 61
Azure Analog Chorus 2N5088 · 4558 · JRC4558D · MN3102 Boss CE-2 · 125B Boss CE-2Vibrato / ChorusAion FX125B3$12.50 95
Cadmus Dual Boost BS170 Z.Vex Super Duper 2-in-1 · 125B Z.Vex Super Duper 2-in-1BoostAion FX125B3$12.50 34
Calypso CMOS Drive BS170 · CD4007UB · CD4007UBE Catalinbread SCOD · 125B Catalinbread SCODOverdriveAion FX125B3$12.50 54
Eclipse (Legacy) 4558 · JRC4558D · TC1044 · TC1044SCPA Korg SDD-3000 Preamp · 1590B Korg SDD-3000 PreampBoostAion FX1590B3— 35
Megalith Dual Drive BS170 Z.Vex Box of Rock · 125B Z.Vex Box of RockOverdriveAion FX125B4$12.50 64
Petty Tears 2N7000 · 4069N · CD4069UB · LM13700 smallsounds_bigsounds Pretty Years · 1590X smallsounds_bigsounds Pretty YearsFuzzDead End FX1590X8$20.00 160
Shard 2N5087 · 2N5088 · 2N5089 · 2N7000 1590J—FuzzDead End FX1590J3$15.00 115
Wally II 2N3904 · BS170 · BS250 · TLC2274 Spaceman Effects Apollo VIIb · 125B Spaceman Effects Apollo VIIbOverdriveDead End FX125B3$12.00 46
Super4-A BS170 1590A—Boostdelyk PCBs1590A—— 13
Super4-LB BS170 1590LB—Boostdelyk PCBs1590LB—— 13
Aion Fx Eclipse Preamp 9v/-9v Vero19×17 Unverified 4558 · JRC4558 · TC1044 · TC1044SCPA Aion Eclipse Preamp 9v/-9v Aion Eclipse Preamp 9v/-9vBoostDirtbox Layouts—3— 30
Aleph Null Cremulator Vero15×14 Verified BS170 Aleph Null Cremulator Aleph Null CremulatorFuzzDirtbox Layouts—4— 24
Ampeg vh140c Channel A Pre Amp Vero Verified 4558 · MAX1044 · TC1044 Ampeg vh140c Channel A Pre Amp Ampeg vh140c Channel A Pre AmpDistortionDirtbox Layouts—5— 47
Aria AUM-1 Ultra Metal Vero25×26 Unverified 2N5087 · 2N5088 · 4558 Aria AUM-1 Ultra Metal Aria AUM-1 Ultra MetalDistortionDirtbox Layouts—4— 52
Blackout Effectors Crystal Dagger Vero21×20 Verified 2N5089 · 2N7000 · 4558 · MPS2222 Blackout Effectors Crystal Dagger Blackout Effectors Crystal DaggerFuzzDirtbox Layouts—2— 36
Blackout Effectors Mantra Overdrive Vero20×20 Unverified 2N7000 · J201 Blackout Effectors Mantra Blackout Effectors MantraDistortionDirtbox Layouts—4— 30
Boss CE-2 / CE-2B Chorus Vero31×27 Verified 2N5088 · 4558 · MN3102 · MN3207 Boss CE-2 / CE-2B Chorus Boss CE-2 / CE-2B ChorusVibrato / ChorusDirtbox Layouts—3— 50
Catalinbread RAH Vero18×17 Verified BS170 Catalinbread RAH Catalinbread RAHDistortionDirtbox Layouts—5— 33
Catalinbread SCOD Vero20×21 Verified BS170 · CD4007UB · CD4007UBE Catalinbread SCOD Catalinbread SCODFuzzDirtbox Layouts—3— 26
Catalinbread Sagrado Poblano Picoso Vero14×9 Verified BS170 Catalinbread Sagrado Poblano Picoso Catalinbread Sagrado Poblano PicosoBoostDirtbox Layouts—1— 15
Catalinbread WIIO Vero18×17 Verified BS170 Catalinbread WIIO Catalinbread WIIODistortionDirtbox Layouts—4— 29
Colorsound Supa Sustain Vero17×18 Unverified ? · BC549B · MAX1044 · TC1044 Colorsound Supa Sustain Colorsound Supa SustainCompressorDirtbox Layouts—2— 31
Crazy Tube Ziggy OD V1 Vero18×17 Verified BS170 Crazy Tube Ziggy OD V1 Crazy Tube Ziggy OD V1OverdriveDirtbox Layouts—3— 32
DOD Looking Glass OD Vero19×19 Verified BS170 DOD Looking Glass OD DOD Looking Glass ODOverdriveDirtbox Layouts—5— 37
Daredevil Pedals Atomic Cock Vero16×15 Verified 2N5088 · BS170 Daredevil Pedals Atomic Cock Daredevil Pedals Atomic CockBoostDirtbox Layouts—3— 25
Dunwich Amplification Fuzz Throne Deluxe - Tall box version Vero23×22 Verified 2N2222A · 2N3904 · 2N5088 · BS170 Dunwich Amplification Fuzz Throne Deluxe - Tall box version Dunwich Amplification Fuzz Throne Deluxe - Tall box versionFuzzDirtbox Layouts—5— 45
Dunwich DA-120 Overdrive - MOSFET version Vero22×29 Verified BS170 · LTC1144 · TL074 Dunwich Amplification DA-120 Overdrive - MOSFET version Dunwich Amplification DA-120 Overdrive - MOSFET versionPreamp / Amp-in-a-boxDirtbox Layouts—6— 45
Electro Harmonix Small Stone V3 Vero28×28 Verified 2N5088 · LM13600 · LM324 Electro-Harmonix Small Stone Electro-Harmonix Small StoneVibrato / ChorusDirtbox Layouts—1— 38
Fulltone Catalyst Vero15×14 Verified 2N5457 · BS170 Fulltone Catalyst Fulltone CatalystBoostDirtbox Layouts—4— 29
Fuzzhead Fx MOSFET Pie V2 Vero19×17 Verified 2N7000 Fuzzhead Fx MOSFET Pie V2 Fuzzhead Fx MOSFET Pie V2DistortionDirtbox Layouts—4— 34
God City Instruments Not Okay Vero11×8 Verified BS170 God City Instruments Not Okay God City Instruments Not OkayBoostDirtbox Layouts—1— 13
J Rockett Hightop Boost Vero18×16 Verified 2N708 · BS170 J Rockett Hightop Boost J Rockett Hightop BoostBoostDirtbox Layouts—3— 33
J. Rockett Tim Pierce Overdrive Vero19×17 Unverified 4558 · BS170 · JRC4558D J. Rockett Tim Pierce Overdrive J. Rockett Tim Pierce OverdriveBoostDirtbox Layouts—5— 38
JHS Charlie Brown V4 Vero21×20 Verified BS170 · TL072 JHS Charlie Brown V4 JHS Charlie Brown V4DistortionDirtbox Layouts—5— 37
JPTR FX Jive Vero12×10 Verified BS170 JPTR FX Jive JPTR FX JiveBoostDirtbox Layouts—2— 17
JPTR FX Silver Machine Vero18×16 Unverified 2N5087 · 2N5089 · BS170 JPTR FX Silver Machine JPTR FX Silver MachineFuzzDirtbox Layouts—3— 26
Jackson Audio Amp Mode Vero16×11 Unverified 2N2222A · 2N7000 Jackson Audio Amp Mode Jackson Audio Amp ModeBoostDirtbox Layouts—1— 18
Juansolo Fx Superjudge Vero17×11 Unverified 4558 · MAX1044 · TC1044 Juansolo Fx Superjudge Juansolo Fx SuperjudgeDistortionDirtbox Layouts—3— 21
Madbean Grease Gun Vero16×14 Verified BC549C · BS170 Madbean Grease Gun Madbean Grease GunOverdriveDirtbox Layouts—3— 28
Madbean Tilt Vero19×19 Unverified 2N7000 · BC549C · BS170 Madbean Tilt Madbean TiltDistortionDirtbox Layouts—4— 34
Mesa Boogie Throttle Box Vero32×24 Unverified 4558 · TL074 Mesa Boogie Throttle Box Mesa Boogie Throttle BoxDistortionDirtbox Layouts—4— 48
Moonn Electronics 200 Sunny Sunns Vero16×16 Unverified 2N5457 · BS170 Moonn Electronics 200 Sunny Sunns Moonn Electronics 200 Sunny SunnsPreamp / Amp-in-a-boxDirtbox Layouts—6— 28
Moonn Electronics Bullshit Distortion Vero19×17 Verified BS170 · PN2222 Moonn Electronics Bullshit Distortion Moonn Electronics Bullshit DistortionDistortionDirtbox Layouts—3— 33
Motley Crue Dr. Feelgood Distortion Vero22×21 Unverified BS170 · TL072 Motley Crue Dr. Feelgood Distortion Motley Crue Dr. Feelgood DistortionDistortionDirtbox Layouts—5— 47
PedalPCB / Chuck D. Bones Super 65 Vero18×15 Verified BS170 · J113 PedalPCB Chuck D. Bones Super 65 PedalPCB Chuck D. Bones Super 65BoostDirtbox Layouts—4— 27
PedalPCB MOSFET Driver Vero21×15 Verified BS170 · TL072 PedalPCB MOSFET Driver PedalPCB MOSFET DriverOverdriveDirtbox Layouts—4— 31
Pigtronix PolySaturator Vero27×23 Unverified 4558 · CD4049UB · CD4049UBE · J201 Pigtronix PolySaturator Pigtronix PolySaturatorDistortionDirtbox Layouts—5— 44
Skreddy Screwdriver Deluxe Vero19×12 Verified AC127 · BC109C · BS170 Skreddy Screwdriver Deluxe Skreddy Screwdriver DeluxeFuzzDirtbox Layouts—5— 29
Skreddy Top Fuel Vero19×19 Unverified 2N5088 · 2N7000 · BC239 Skreddy Top Fuel Skreddy Top FuelDistortionDirtbox Layouts—3— 44
Spaceman Effects Apollo VIIB Vero18×17 Unverified TLC2264 · TLE2426 Spaceman Effects Apollo VIIb Spaceman Effects Apollo VIIbOverdriveDirtbox Layouts—3— 26
Steel Panther "Face Melter" Vero21×17 Verified BS170 · CA3240EZ Steel Panther "Face Melter Steel Panther "Face MelterDistortionDirtbox Layouts—4— 32
Subdecay Blackstar Distortion Vero18×16 Unverified 2N5458 · BS170 · J201 Subdecay Blackstar Distortion Subdecay Blackstar DistortionDistortionDirtbox Layouts—4— 24
Thorpy Fx Gunshot Overdrive Vero20×15 Verified 2N3904 · BS170 · OPA2134 Thorpy Fx Gunshot Thorpy Fx GunshotOverdriveDirtbox Layouts—4— 29
Thorpy Fx The Warthog. Vero17×16 Verified 2N5457 · BS170 · OPA604AP Thorpy Fx The Warthog Thorpy Fx The WarthogDistortionDirtbox Layouts—4— 31
Walrus Audio Julia Chorus Vero33×27 Verified 2N5088 · 4558 · MN3102 · MN3207 Walrus Audio Julia Chorus Walrus Audio Julia ChorusVibrato / ChorusDirtbox Layouts—4— 54
ZVex '59 Sound Vero19×13 Verified BS170 Z.Vex '59 Sound Z.Vex '59 SoundOverdriveDirtbox Layouts—3— 26
ZVex Basstortion Vero18×16 Verified BS170 Z.Vex Basstortion Z.Vex BasstortionDistortionDirtbox Layouts—3— 25
ZVex Machine Vero17×15 Verified 2N3904 · 2N3906 · BS170 Z.Vex Machine Z.Vex MachineDistortionDirtbox Layouts—2— 23
ZVex Super Duper 2-in-1 Vero15×12 Verified BS170 Z.Vex Super Duper 2-in-1 Z.Vex Super Duper 2-in-1BoostDirtbox Layouts—3— 15
Zoom TM-01 Tri Metal Vero30×38 Unverified 2N5088 · 4558 Zoom TM-01 Tri Metal Zoom TM-01 Tri MetalDistortionDirtbox Layouts—6— 68
Zvex Box of Metal sans gate circuit Vero19×18 Unverified BS170 Zvex Box of Metal sans gate circuitZvex Box of Metal sans gate circuitDistortionDirtbox Layouts—5— 30
Zvex Box of Rock Vero18×17 Verified BS170 Z.Vex Box of Rock Z.Vex Box of RockDistortionDirtbox Layouts—4— 26
Zvex Distortron Vero18×15 Unverified BS170 Z.Vex Distortron Z.Vex DistortronDistortionDirtbox Layouts—3— 26
Zvex Fuzzolo Vero15×12 Verified 2N3904 · BS170 Z.Vex Fuzzolo Z.Vex FuzzoloFuzzDirtbox Layouts—2— 24
Zvex Jonny Octave Vero24×28 Unverified 2N3904 · BS170 Z.Vex Jonny Octave Z.Vex Jonny OctaveOctave / PitchDirtbox Layouts—2— 25
Dunlop GCB-95 Cry Baby Turret board MPSA13 · MPSA18 Dunlop GCB-95 Cry Baby Dunlop GCB-95 Cry BabyFilterEfektPol—1— 29
Bear Hug Compressor 2N5457 · BS170 · MPSA18 Jon Patton Bearhug Compressor Jon Patton Bearhug CompressorCompressor1776 Effects—2$8.00 31
EF120 Overdrive BS170 · LTC1144 · TL074 Matamp GT120 · 1590BB Matamp GT120OverdriveEffects Layouts1590BB6$12.00 out75
Jetpack 2N7000 · 4558 · JRC4558 Maxon OD-880 · 1590B Maxon OD-880OverdriveEffects Layouts1590B2$5.00 38
Octomos 2N5087 · 2N5088 · BS170 JPTR FX Silver Machine · 1590B JPTR FX Silver MachineFuzzEffects Layouts1590B3$7.00 40
Second Sea 2N5088 · 4558 · JRC4558 · MN3102 Boss CE-2 · 125B Boss CE-2Vibrato / ChorusEffects Layouts125B—$10.00 80
Timbo Slice 4558 · BS170 J. Rockett Archer / Timmy · 125B J. Rockett Archer / TimmyOverdriveEffects Layouts125B5$8.00 45
Bearhug FET Compressor Perfboard Verified 2N5457 · BS170 · HIGH GAIN SI NPN Jon Patton Bearhug Compressor · 1590A Jon Patton Bearhug CompressorCompressorEffects Layouts (blog)1590A2— 24
Catalinbread RAH Perfboard Verified BS170 Catalinbread RAH Catalinbread RAHPreamp / Amp-in-a-boxEffects Layouts (blog)—5— 33
Catalinbread Sagrado Poblano Picoso/AMZ MOSFET Booster Perfboard Verified BS170 Catalinbread Sagrado Poblano Picoso/AMZ MOSFET Booster · 1590A Catalinbread Sagrado Poblano Picoso/AMZ MOSFET BoosterBoostEffects Layouts (blog)1590A1— 15
Catalinbread Supercharged Overdrive Perfboard Unverified BS170 · CD4007UB · CD4007UBE Catalinbread SuperCharged Overdrive · 1590B Catalinbread SuperCharged OverdriveOverdriveEffects Layouts (blog)1590B3— 23
Catalinbread WIIO Perfboard Verified BS170 Catalinbread WIIO · 1590B Catalinbread WIIOPreamp / Amp-in-a-boxEffects Layouts (blog)1590B4— 32
Ceriatone Klein-ulator Perfboard Unverified J201 · MAX1044 · TC1044 Ceriatone Klein-ulator Ceriatone Klein-ulatorUtilityEffects Layouts (blog)—3— 34
Crazy Tube Circuits Ziggy Overdrive Perfboard Verified BS170 Crazy Tube Circuits Ziggy Overdrive Crazy Tube Circuits Ziggy OverdriveOverdriveEffects Layouts (blog)—3— 33
Dunlop GCB-95 Cry Baby Perfboard Verified MPSA18 Dunlop GCB-95 Cry Baby Dunlop GCB-95 Cry BabyWah / EnvelopeEffects Layouts (blog)—1— 23
EWS Tri-Logic Bass Preamp II Perfboard Verified BS170 · NE5532 EWS Tri-Logic Bass Preamp II · 125B EWS Tri-Logic Bass Preamp IIPreamp / Amp-in-a-boxEffects Layouts (blog)125B5— 33
Escobedo MOSFET Duende Perfboard Verified 2N7000 Escobedo MOSFET Duende · 1590A Escobedo MOSFET DuendeBoostEffects Layouts (blog)1590A1— 11
Frantone Cream Puff Perfboard Verified 4558 Frantone Cream Puff Frantone Cream PuffDistortionEffects Layouts (blog)—3— 26
Fulltone OCB Perfboard Unverified 2N5457 Fulltone OCB Fulltone OCBUtilityEffects Layouts (blog)—1— 12
Fulltone OCD V2 Perfboard Verified 2N5457 · 2N7000 · 2SC1815 · TL082 Fulltone OCD V2 · 1590B Fulltone OCD V2OverdriveEffects Layouts (blog)1590B3— 35
J. Rockett Tim Pierce Overdrive Perfboard Verified 4558 · BS170 J. Rockett Tim Pierce Overdrive · 125B J. Rockett Tim Pierce OverdriveBoostEffects Layouts (blog)125B5— 35
JHS Charlie Brown V3 Perfboard Verified BS170 JHS Charlie Brown V3 JHS Charlie Brown V3Preamp / Amp-in-a-boxEffects Layouts (blog)—4— 32
JPTR FX Silver Machine Perfboard Verified 2N5087 · 2N5088 · BS170 JPTR FX Silver Machine · 1590B JPTR FX Silver MachineFuzzEffects Layouts (blog)1590B3— 27
Jackson Audio Amp Mode Perfboard Unverified 2N2222A · 2N7000 Jackson Audio Amp Mode · 1590B Jackson Audio Amp ModeBoostEffects Layouts (blog)1590B1— 17
Jon Patton Cruz Drive Perfboard Verified 2N5457 · BS170 Jon Patton Cruz Drive Jon Patton Cruz DriveOverdriveEffects Layouts (blog)—4— 34
Jon Patton's Blue Warbler Perfboard Verified BC549C · BS170 · SILONEX 7532 Jon Patton Blue Warbler · 1590B Jon Patton Blue WarblerTremoloEffects Layouts (blog)1590B4— 34
Lovepedal Super 6 Perfboard Verified BS170 Lovepedal Super 6 · 1590B Lovepedal Super 6OverdriveEffects Layouts (blog)1590B3— 16
MOSFET Pie Perfboard Verified 2N7000 Fuzzhead Fx MOSFET Pie V2 Fuzzhead Fx MOSFET Pie V2DistortionEffects Layouts (blog)—4— 31
Pink Jimi Photon 'Weetie Pi Perfboard Verified 2N5089 Pink Jimi Photon 'Weetie Pi Pink Jimi Photon 'Weetie PiBoostEffects Layouts (blog)—2— 22
Skreddy Top Fuel Perfboard Verified 2N5088 · 2N7000 · BC239 Skreddy Top Fuel Skreddy Top FuelDistortionEffects Layouts (blog)—3— 41
Steel Panther Pu55y M3lt3r Perfboard Verified BS170 · CA3240EZ Steel Panther Pu55y M3lt3r · 1590B Steel Panther Pu55y M3lt3rDistortionEffects Layouts (blog)1590B4— 32
Zvex Box of Rock Perfboard Verified BS170 Z.Vex Box of Rock · 1590B Z.Vex Box of RockDistortionEffects Layouts (blog)1590B3— 24
Zvex Fuzzolo Perfboard Verified 2N3904 · BS170 Z.Vex Fuzzolo · 1590A Z.Vex FuzzoloFuzzEffects Layouts (blog)1590A2— 22