post #1 of 1
Thread Starter 
This sticky will be for links to DIY parts , plans and general DIY project aids , both foreign and domestic.

Unfortunately only I or another mod can add to the "database" or it may become too disorganized for use by those needing such information .

Feel free to PM me with any recomendations or to report broken links


************************************************** *******

__________________________________________________ _______________



Antique Electronic Supply

Angela Instruments


Audio Grade-presently down will leave this link until I know the details !

Triode Electronics

Audio Express - printed circut boards for Audio Amatuer/Glass Audio articles

Mouser Electronics

Digi-Key Electronics

Michael Percy Audio


Allied Electronics

Handmade Electronics

Wellborne Labs - Audiophile Parts, Nice Selection

Cardas Audio OEM/DIY page

DAC Parts

Small Bear LLC , many unique parts at very good prices.Geared towards "stompbox" guitar effects but definately of interest to any DIYer. Thanks Erix

BD Enterprises

The Parts connection

Parts Express

AES-Audio Electronic Supply

JAMECO Electronics

Newark Electronics

The Tube Store

Moon Audio-really nice connectors at a fair price

Westlake Electronics-another nice source for connectors and wire

Madisound-mainly speaker oriented but other parts available such as coils , capacitors , damping , hardware


Cricklewood : UK Parts Supplier-thanks pinkfloyyd

Maplin : UK parts


WASP-Wilder's Amp Special Parts : Italian parts supplier mainly geared to the guitarist/guitar amp builder but also fills a need for more European suppliers.Many useful parts available.

AudioKit : Another Italian page with a large selection of audio grade parts


Hammond Enclosures: Very large selection

Design,build,Listen-off the shelf and custom work

Active Plastics

On-Line Metals

Front Panels Made to Order

PacTec Enclosures

Beautiful Wood! Perfect for that Tube Amp.

Yeager Audio-A really nice chassis at a fair price that is perfectly sized for a stereo tube amplifier.Is finished in s oft gloss black,c\Comes with the IEC jack,Fuse holder and rubber feet so all that is left is the actual tube socket hole cutouts.


BUD Industries

SESCOM - good selection , custom chassis punching available

Lansing Enclosures

PAR metal

AudioKits-small but nice selection of audio specific chassis/enclosures at a fair price

IAG (International Audio Group) : These are very nice aluminum chassis with hardwood caps.Not cheap but very nice just the same.

Enclosures And Cases Dot com :Nice selection of quality chassis-cast tube,rack style,desktop,flanged

AmpboxAudio : So far only two offering but those two are really nice.One is a drop in for the Tripath amp,the other is a "Eurobox" and accepts standard Euro-cards-


Fischer Elektronik

Zero Cases : Unusual but very nice deep drawn metal enclosures (custom work available)-


BrownDog Adapters: IC adapter boards

Just a really nice knob
The knob is no longer listed on the website !.Will update link if it re-appears.

Wood Knobs

DIY Wood Knobs


Lundahl - High Quality Tube Oriented Audio Transformers

Hammond Transformers - transformers for power supplies and tube audio

Jensen Transformers - High quality audio matching step up and isolation transformers

SESCOM - audio matching step up and splitting transformers

Avel-Lindberg Toroid Transformers - custom design also

Plitron toroid transformers

Toroid.Com - toroid transformers

Victoria Magnetics

Heyboer Audio Transformers :Vintage guitar/Amp transformers

Edcor U.S.A. - dirt cheap but good quality and custom work available for a very easy price :

James Transformers


Cinemag-High Quality audio Transformers :

Antrim Transformers U.K.-Toroid Mains Power And Tube Output Transformers.custom work available :

Sowter U.K.-High quality Audio transformers including Headphone Cupling,DAC Coupling and Vintage Pro Gear direct replacements (API,RCA,Fairchild,Etc.) :

Stevens & Billington,U.K.-

Hashimoto Electric-Japan : Former maker of the "Sansui" brand audio output transformers.Not only are the products very high in high quality but there is a wealth of information on vintage Sansui Tube Amps plus a nice selection of modern amp schematics.If your interests run to the Pentode or Tetrode amp this is a must visit web site :

__________________________________________________ _______________

PCB Resources

Express PCB

CadSoft Eagle Lite


Texas Instruments/Burr-Brown

Analog Devices

Linear Technology


National Semiconductor

International Rectifier: MOFETS, HEXFREDS, Class D Amps


Crystal Semiconductr



Zetex Semiconductor

Japan Radio Corp (JRC)


Data Sheet Archive : Punch in the number and get the datasheet,even obsolete devices-

Jensen Transformer schematics archive

Tube Data sheet index

Tube manuals RCA , Telefunken , Western Electric - even if the manuals are not your interest visit this site . It is just too cool for humans

Rane, data, app notes mainly relating to pro sound but usable, if you look hard enough there are pdf files of some headphone amps but I didn't say it .

Frank's Electron Tube Page ; a HUGE resource for tube datasheets . HUGE !

Welcome to tube data ; the real deal ,check it out

InterFet Application Notes : JFET Applications


Tube Tech

Tube Basics / Theory

Tube For Newbies-pretty extensive yet understandable resource that describes basic tube operation and theory

Rane Professional Audio Reference - not just for the pros , good solid information on sound and hearing,audio terms explained , a HUGE resource

Understanding Headphone Power Requirements

John Conover Spatial Distortion page - discusses crossfeed and offers a new solution

Three Dimensional Sound links - enough to keep you busy for months !

Basic Electrical Theory explained - a good read

Introduction To Capacitors

Basics Of Vacuum Tubes

Navy Electrical Engineering Training Series

Scots Guide To Electronics

Technical information on recording via computer

DC Circuit Analysis

Anatomy of a Vacuum Tube

Anatomy Of A Vacuum Tube Amp

audioXpress Audio Classroom Series :Circuit Design Series For Tube Amp Design

Electrical Engineering Training Series :Well this Is Almost Too Much Information But If You Are Looking To Really Learn Electronics This Is The Joint ! Link provided by erix

This almost falls under The "Way Too Much Information" Category but if you want to know,and if you did not you would not have scrolled this far-look here ,thanks Erix

Amplifier design E-book : discusses in detail amplifier design by stage.A good read-thanks PPL

The Hawksford Papers : Wide ranging topics from amplifier design and theory ,acoustics,speaker design,soundspace manipulation and to digital from the very beginning until now .A must read for those into the more theoretical and technical end of audio.

Eric Barbour Tube Basics-Very easy to undersatand yet very informative.Highly recommended reading if you are new to tube DIY because it covers all the basics in an easy to understand style :


Mostly pro audio links but if anyone knows how to make things work it is those who's livelyhood depends on good results and not on the job training or "theory" :

Belden Cable-"Cable College" :

Jensen Transformer Application notes :

Whirlwind Tech :

RANE Notes Specific To System-Interconnection :

Grounding and Shielding Audio Devices-

Sound System Interconnection-

Why Not "Y" ?-

Interfacing AES3 and S/PDIF-

Unity Gain and Impedance Matching-

Practical Line Driving-

Grounding and Shielding Computer Audio Devices-

System Problems A.K.A Pin-1 Problems-

Douglas Self on Balanced Lines-

Ian Gregoey : Balanced vs Unbalanced Lines-


SOWTER : More on Grounding and connections-


Analog Devices : Philbrick Applications Manual for Computing Amplifiers - for Modeling, Measuring, Manipulating & Much Else
75 MB PDF File but downloadable by chapters or the full 75 MB
A very comprehensive book with a lot of valuable information
A MUST READ for the more technical minded DIYers.

Analog Devices "A Designer's Guide To Instrumentation Amplifiers (2nd edition)".Very detailed and a must read if you want to implement balanced inputs .,2...F43643,00.html

Texas instruments "Op Amps For Everyone Design Guide" rev B-Ray Mancini---2 meg pdf file

Full Tube Manuals-RCA Radiotron Tube Manual 1929-huge ! , Western Electric Tube Manual 1933, Telefunken Valve Manual 1930

Audio Handbook No. 1 - Norman H. Crowhurst : Tube Audio Fundamentals

Electro Voice P.A. Bible-if you contemplate live sound for any reason either for a band or to address a small gathering this is an essential read

Western Electric AMPLIFIERS : This is THE definitive WECO Amplifier Handbook and they are all there in pdf files for download until you have the entire book.
don't let the age ot the technology fool you,these are serious amps and way before their time in the design area-


Analog Devices Design Seminars-very inclusive and covers a lot of ground,00.html

Texas Instruments E-Lab Webcasts :

Texas Instruments Audio Classes-online classes


Texas Instruments Development Tools & Software :

Analog Devices Interactive Design tools :

National Semiconductor Power Supply Designer :

National Semiconductor Active Filter Designer "

National Semiconductor Amplifier design Tool :

National Semiconductor Chip Amp Selector :

Audio Scientific Calculators Links List-HUGE LISTING !

FREE SOFTWARE Marchand frequency generator . A truly useful device for audio testing and setup.
BUT ! Be aware that pure tones at high levels can destroy a headphone or loudspeaker transducer ! Turn the volume DOWN totally and bring it up slowly. Mic pads and other small gadgets . While geared towards microphones has an application in any audio situation .
Tough to categorize this but since there is also a nifty free calculator to go with the designs I put it here . See page bottom . Only a 26 K download . Way cool .
Audio Test signals to download-really complete set , recommended advanced software , very complete ; thanks to John Cheadle

nice set of audio test files , includes 24 biut and 96 khz

Duncan Amps-essential software if you design with tubes-Power Supply Designer ll , Anode load Calculator , Speaker Impedance Calculator , Tone Stack Calculator and the Tube Data Sheet Locator-Highly recommended

Genelec (Mnitor Speaker Manufacturer)-more audio test tones including a sweep tone from 10 to 150 hz and pink noise


Capacitor Conversion

Four Band Resistor Color Coide

Five Band Resistor Color Code

stepped Attenuator

stepped attenuator 2

LM317 VR Resistor Calculator-AMZ

Convert Decibels To Gain-AMZ

Convert Voltage Gain To Decibels-AMZ

LED Resistor Value Calculator-AMZ

Simple RC Filter Cutoff-AMZ

Op-Amp Noise Calculator-AMZ

Calculators Online software -Engineering A-Z

Hagerman-Phono Cartridge Loading

Headphone Amplifier Power Calculator-Determines how much power you will need for your headphone amp to deliver to your headphones.Simple to use :

__________________________________________________ _________________

Non-profit links only

HeadWize - The Most Extensive DIY Headphone Amp Library On The Planet

Audiologica-Head-Fi Member Tangent's web page covering all aspects of headphone amp design and building-"A Must Visit" that picks up where HeadWize stops and fills in the blanks

Pete Millett's Website . He is/was Wheatfield Audio . Some really cool Tube And Hybrid Designs

TNT HODA ( high dynamics op-amp )

The Fi Primer , no headphone amps but a must read

Prof . W. Marshal Leach Jr. , Articles have apeared in Audio Magazine (defunct , a pity it broke me in along with Popular Electronics) loads of great info and DIY plans

MicDiyers home page , plans to make a micset for your MD or other recorder , binaural baby !

SoundStage Synergizing - archived DIY cheap tweeks , racks , interconnects , etc.

Shavano Music Online - mucho information for the audio DIT enthusiast , check it out

RJM Audio Cable - Richard Murdey's website with many cable designs , plus his version of the Szekeres Amp as published at HeadWise in the Project Library . Mucho good stuff

My First Tube Amp-Very informative,especially the section on biasing

Steve Bench's Tube Pages-many innovative designs including portable amps using DC converters

Extensive set of worldwide tube links

DIY Mania - A Korean Site (use babel fish )

Walt Jung's web page with the original audio op-amp serie of articles from EDN magazine , plus the original Audio Electronics Magazine article on the super regulator-these are a must read for any person interrested in DIY audio . Download them and enjoy

Bonavolta-large scheamatic library,mostly tube amps but a couple of headphone amps and some classic phono stages . Be sure to check out the section on tube design theory

The Class-A Amplifier Site : Mostly concerned with building the classic John Lindsey hood JLH Class-A Amplifier but includes a couple of JLH discrete transistor headphone amps plus other class A amplifier schematics

Stax ES Headphone Transformer interface : Using Lundahl Transformers-Andrea Ciuffoli 2001

Stax ES Headphone 4300B Tube Amp - Andrea Cuiffoli

Stax ES headphone 4300B Tube Amp 2 - Andrea Cuiffoli 2002

Svetlana Construction Articles and Technical notes Using Svetlana tubes-no true headphone amps but many nice amp designs and enough information to whip up your own designs :

DIY Tube Audio Resource Guide : This is a PDF file that has clickable links to other files directly from the resource guide.Pretty cool and damn convenient


GEO circuit layout tutorial - thanks budgie

Curcio Audio DIY resource -soldering tutorial , troubleshooting overview, DIY bible , recomended tools ,construction guidelines

Some nice projects for recording-

NASA Soldering video thanks to ofb

Replacing Capacitors In Old Radios-but applies to vintage electronics of all types

Connector Wiring Diagrams @ Van Den Hul : All there and if it isn't you don't need it

Switch Training Manual from Eaton Electrical-Very easy to understand manual on the how and why of switching :

Jung and Kester onaudio Op-amps :

Computer Audio article from "Positive Feedback" magazine.Great content on real world application of your computer as source :
http://Positive Feedback Magazine Ar...nugent.htm</a>


Tube CAD Journal

TNT Internet Magazine

Zero Distortion Internet Magazine

Valve Magazine , geared towards tube audio with many great construction articles , including a 6GM8 headphone amp. Read online or download the pdf


Audio Basics newsletter from Audio By Van Alstine - 1984 to 1984 - tips , techniques , plans , including a couple of headphone amps , Dyna mods , lotsa good stuf here boys and girls

Sound Practices - selected articles in pdf format for download : mostly tube amp related but good reading

Analog Devices "Analog Dialog" Magazine Archive


AudioTweaks : Entire site dedicated to audio tweaking

The Audio Analyst (Greg Weaver) Tweakfest-nicely done


Curcio Audio Troubleshooting Guide : This is a pdf file and is specific to the individual audio device rather than a "system" troubleshooting guide but is very useful for getting that project working when there is a problem.

Troubleshooting Flow Chart-By Frank Van Alstine : system flow chart for weeding out system interconnection troubles.Print it out and keep it near your sound system for reference :

Tweak Shop Troubleshooting Flow Chart: This one is online and links to individual "problem" pages unlike the above which you can download.Very intuitive and maybe a better way to go for some.

Troubleshooting And Repair Of Consumer Electronics -EVERYTHING you need to know and then some !


__________________________________________________ _______________


anything that does not quite fit above

Soldering Learning/Practice Kit : Inexpensive kit for learning how to solder that will save you $$$ in the long run.Learning to solder is 90% of what you need for DIY audio and better to learn right than to destroy expenive parts or ruin ciruit board if you are not adept-

Annoyances Dot Org - windows fixes and programs

Circuit Exchange International - lot of stuff here

Electrostatic Headphone circuit-serious database on past and present electrostat headphones , including repair info and specs
also check out the dynamic headphone circuit while there for info on just about every can ever made :
not sure what is going on with this site and will keep the link for now

this is just soooo cooool !

ANALOG X - Very useful Active X related software for Windows and Music,tiny,fast and best of all FREE !

History Of american Broadcasting-very cool,even has .wav files of historical radio and television moments

THE RECORDING FAQ-plenty of useful information even if you do not record

The American Widescreen Museum-a MUST visit ! Just too cool for humans . Extremely high recommendation


Cool desktop virtual theremin
No longer available at the BBC website-alternate source here-

Mousing Virtual Theremin :

Play A Piano - interactive java piano with oscilloscope display - see the waveform as you play !

Audio Related Humor - We could all use a good laugh once in a while-good for the heart ! (also some truly useful information here)


Western Electric AMPLIFIERS : This is THE definitive WECO Amplifier Handbook and they are all there in pdf files for download until you have the entire book.
don't let the age ot the technology fool you,these are serious amps and way before their time in the design area-

Vintage Electro-Voice : Vintage Tube amps ,Vintage Microphones,Speaker Driver Specs ,Enclosure Plans,Vintage 50s-60s-70s Catalogs

Lansing Heritage :JBL/Altec Lansing Info ,Brochures ,Driver Specs ,Enclosure Diagrams,Electronics Brochures and Amp Schematics

Hi-Fi Literature :Vintage Catalogs/Information From Many Companies with More Added All The Time

Vintage H.H.Scott Hi-Fi Stereo Archive : Schematics ,Buy/Sell,Forum

Nostalgic Kit Central : Heathkit ,Eico ,Allied Radio/Knight-listing of most model numbers with pictures for most plus some unique "in the box" kit photos

Heathkit Virtual Museum : Name Says It All

H.J. Leak :

The Eico Homepage :Eico Information And Schematics

McIntosh History Page-interesting reading ,great pictures and history

One electron-consumer Audio Schematics-vintage schematics

One Electron-pro audio equipment-vintage schematics

One Electron-Misc. Documents Page-Extremely unique resource of old mazine article and corporate papers dealing with tube gear.Old yet still valid content

Electro Voice P.A. bible : PDF files for download and a MUST read if you are into live sound no mater the venue-large or small.Also on the site are the plans for the classic EV Century iV Horns.all in all a pretty cool site

The "Unofficial" Altec Page-Vintage speaker plans and electronics schematics,Pro-Sound info and much more :

Voice Of The Theater-More vintage Altec content

Tannoy-Cabinet plans and specifications for vintage Tannoy loudspeakers :

AmpsLab-Not in the above sites ? Then look here.Many "unique" and less common schematics including some vintage receivers not seen elsewhere :

The Vinyl Playback System

This area will be for all things vinly disc related

Turntable Set-Up

Cartridge Set-Up

Record Care

A nice easy to understand tutorial :

Galen Carol : "Caring For Your Records"

Watts Record Care Booklet

LoriCraft Bi-Directional Record Cleaning Article

more to come..............