Schematics, Service manual, or circuit diagram
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22 Electro Harmonix models listed


Model
Click to Order!
Year Book/
Source
File Type/
Volume
Page/
Ext
Preview/Status
Electro B201947SM14Radio9Electro B20 schematic circuit diagram
Electro Harmonix attack delay-FileElectro Harmonix
-attack delay
FilepdfElectro Harmonix attack delay schematic circuit diagram
Electro Harmonix big muff1978FileElectro Harmonix
-eh3053_big muff
-1978
FilepdfElectro Harmonix big muff schematic circuit diagram
Electro Harmonix big muff21975FileElectro Harmonix
-big muff2-1975
FilepdfElectro Harmonix big muff2 schematic circuit diagram
Electro Harmonix deleuxe memory man-FileElectro Harmonix
-deleuxe memory
man
FilegifElectro Harmonix deleuxe memory man schematic circuit diagram
Electro Harmonix double tracking effect1978FileElectro Harmonix
-eh4780_double tracking
effect-1978
FilepdfElectro Harmonix double tracking effect schematic circuit diagram
Electro Harmonix EC 00602004FileElectro Harmonix
-EC 0060_EC 0060
Holy Grail_Holy
_Grail-2004.Amp
AmplifierpdfElectro Harmonix EC 0060 schematic circuit diagram
Electro Harmonix EC 0060 Holy Grail2004FileElectro Harmonix
-EC 0060_EC 0060
Holy Grail_Holy
_Grail-2004.Amp
AmplifierpdfElectro Harmonix EC 0060 Holy Grail schematic circuit diagram
Electro Harmonix eh30531978FileElectro Harmonix
-eh3053_big muff
-1978
FilepdfElectro Harmonix eh3053 schematic circuit diagram
Electro Harmonix eh32001977FileElectro Harmonix
-eh3200_talking
pedal-1977
FilepdfElectro Harmonix eh3200 schematic circuit diagram
Electro Harmonix eh4605-FileElectro Harmonix
-eh4605_small clone
FilepdfElectro Harmonix eh4605 schematic circuit diagram
Electro Harmonix eh47801978FileElectro Harmonix
-eh4780_double tracking
effect-1978
FilepdfElectro Harmonix eh4780 schematic circuit diagram
Electro Harmonix EH Badstone phase1977FileElectro Harmonix
-EH Badstone phase
-1977.Amp
AmplifierpdfElectro Harmonix EH Badstone phase schematic circuit diagram
Electro Harmonix electric mistress flanger-FileElectro Harmonix
-electric mistress
flanger
FilegifElectro Harmonix electric mistress flanger schematic circuit diagram
Electro Harmonix frequency analyzer-FileElectro Harmonix
-frequency analyzer
FilegifElectro Harmonix frequency analyzer schematic circuit diagram
Electro Harmonix Grail2004FileElectro Harmonix
-EC 0060_EC 0060
Holy Grail_Holy
_Grail-2004.Amp
AmplifierpdfElectro Harmonix Grail schematic circuit diagram
Electro Harmonix Holy2004FileElectro Harmonix
-EC 0060_EC 0060
Holy Grail_Holy
_Grail-2004.Amp
AmplifierpdfElectro Harmonix Holy schematic circuit diagram
Electro Harmonix hot tubes-FileElectro Harmonix
-hot tubes
FilegifElectro Harmonix hot tubes schematic circuit diagram
Electro Harmonix little big muff-FileElectro Harmonix
-little big muff
FilepdfElectro Harmonix little big muff schematic circuit diagram
Electro Harmonix small clone-FileElectro Harmonix
-eh4605_small clone
FilepdfElectro Harmonix small clone schematic circuit diagram
Electro Harmonix small stone phaser-FileElectro Harmonix
-small stone phaser
FilepdfElectro Harmonix small stone phaser schematic circuit diagram
Electro Harmonix talking pedal1977FileElectro Harmonix
-eh3200_talking
pedal-1977
FilepdfElectro Harmonix talking pedal schematic circuit diagram

These radio, TV, record player, amplifier, amp and tape or cassette recorder schematics, circuit diagrams and service manuals are mostly high quality, very readable scans and will usually be Emailed within an hour or two, if I need to scan an item, or it's the middle of the night, here in the UK it is 01:34 it may take a little longer! If more than one schematic is listed for a model I will generally send them all, unless too big to attach!
Specialising in British schematics Roberts, Hacker, Bush, Pye etc. also American and German manuals feature strongly, search for what you need. Multi page manuals are Emailed as pdfs. Please Email or phone 0788 4425213 Thanks for looking, Mike.
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Fill in the "Make" and "Model" boxes, if you are unsure of the model, leave it blank and I will list ALL models for that manufacturer, similarly if you only have the model number leave "Make" blank and I will list similar model names from ALL manufacturers.
More explanation here. Some sources searched :-
Book Set KEY Years
J.F. Rider's Perpetual Rider 1920-54
Trader Service sheets Trader 1933-81
Beitman's Radio Diags Beitman 1926-69
Beitman's TV Diagrams Beitman 1947-70
Gernsback Radio Diags. Gernsback 1922-34
Empfanger Schaltungen ES 1928-57
RCA Service Notes RCASN 1923-52
Broadcaster Supplements Broadcaster 1934-42
Radio and TV 36 vol set RTV 1945-86
Radio and TV 5 vol set RTV5 1945-54
Crosley Service Suppls. Crosley 1929-42
My Pre-scanned Files File =>2021
The search logic is slightly "fuzzy" in that it's case insensitive and ignores punctuation so, model TR-510 is the same as tr510, and G.E.C is the same as "gec".

(292147 schematics* by 2107 different manufacturers indexed!)
Updated 26th. Oct 2021

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