Elliott Constructions - If you happen to need a builder and are in Sydney, then it goes without saying that I highly recommend my son. He's a licensed builder (Lic. # 223057C), and specialises in building maintenance. He's skilled at general construction, and also does bathroom renovations, alterations and extensions.
	coldamp - Class-D audio power amplifiers, switchmode power supplies and other innovative audio products. coldamp is a company dedicated to design and manufacture high efficiency audio amplifiers and other complementary elements for audio systems.
	Soltronico can provide full turnkey manufacturing and support of electronic assembly of products for the Australian market. Complete electronic manufacture - from components procurement, PCB assembly, final assembly, software programming, product testing, packaging, goods warehousing, and shipping the finished products to your warehouse or end user.
	EE-Web is the place to go for the electrical and electronics engineering community. With a forum, as well as Analogue Design, RF Design, Power Management, Embedded Design, Test & Measure, Components and PCB Design sections, there is likely to be an answer to many of your questions.
	Discover the fastest way to learn the electric or acoustic guitar - online. Learn from the best - Chris shows you how to play the guitar in exactly 30 days, and you can bypass traditional guitar lessons and achieve real results! This is a very good course, and is genuinely recommended.
	Stones Sound Studio - Artisan audio art series speakers, speaker design, plans, drawings, pcb & crossover design, components, active filter design, speaker driver t/s measurements. Russell Storey, senior design engineer, acoustical consultant, high end audio products sales and service.
	An enormously useful collection of formulae, definitions and on-line calculators. The topics covered include mechanical engineering, noise & vibration, mathematics, physics, chemistry, computing and biology. Audio calculators are included (of course ).
	What can I say about this site? It is everything that the government "watchdogs" are not, and is probably one of the best consumer action sites around. NotGoodEnough is an Australian operation that does everything it can to get consumer problems sorted out with manufacturers, retailers, banks, airlines, etc. Highly Recommended (International membership is available!).
	The Lenard Audio site has an excellent educational section, and belongs to a friend of many years. You can see some of the commercial products I worked on in the past (and/or am working on at present) with John, and browse through the education sections to understand some of the fundamentals of audio and its application.
Class-A Amps	Geoff Moss (my defacto editor and contributor) now has re-instated his page, primarily devoted to Class-A amplifiers. Geoff has all the details on the John Linsley Hood classic (both versions) plus a lot more Class-A amps and a great deal more helpful information on various amp topics.
	Rane Corporation - probably one of the most open and informative pro audio manufacturer websites ever. There is a wealth of excellent design information, covering a wide range of topics. Not only for professionals, it is just as applicable to hi-fi. Check out the PDF library - I hope you have lots of disk space :-)
The Self Site	Douglas Self - well known designer of amplifiers and audio equipment generally, published many times in Wireless World (now Electronics World) - This is an excellent reference site for design information.
Steve Ekblad	Audio Related Internet WWW and FTP sites.  One of the all-time great links pages
	TrueAudio - Info on speakers and their design + loads of other stuff
ThieleSmall	ThieleSmall dot com has a driver database that is second to none. Jan has put a lot of work into this, and for the speaker builders it will become a very useful resource as it gets known
	555 Timer Circuits - All the electronics info you need to know about the 555 Timer. With over 80 circuits.
DIYaudio	The name says it all, really.  Also some more good links
Linkwitz Labs	Siegfried Linkwitz (of Linkwitz-Riley crossover fame) has some extremely useful information, especially on the design of bipolar loudspeakers and other speaker topics.  Some of this information will change the way you think about reproduction of audio.
AudioXpress	AudioXpress is the home of the renowned Speaker Builder and Audio Amateur magazines.  Subscription info and sample articles are available, plus a lot of other info.
eCoustics	Easily find the latest news, articles, and reviews on thousands of consumer electronics and hi-fi audio/video products from the most popular, informative, and reliable A/V web sites.
	Don Morrison Audio - Creator of the E.L.A.D. (Electronic Line Amplifying Device) which has had rave reviews, as well as some interesting articles and nice speakers.
GMArts	Another excellent Australian site, this one for guitar players. Lots of info about guitars, amps (etc).
Electronics Calculators	Online electronics calculators - work out resonance, capacitance, inductance, resistance and time constants on-line.
Audio Calculators	Audio calculators for all occasions.  There is a huge range here - something for everyone
SatCure	Satellite equipment, MacIntosh computers, and (of course) audio make up Martin Pickering's site. Well worth investigation.
Decibel Dungeon	Nick Whetstone has another audio site that is worth a look, especially if you are interested in turntables and other DIY activities.
SSC Electronics	DC converters for portable or car applications, SSM2017 mic preamp ICs (yes, they have them), plus many other useful items.
	Audio equipment, reviews and thoughtful articles and home theatre setup hints. Includes a forum, FAQs, and more.
	The official Phase Linear site - Owners' manuals, service information, photos, schematics, history and general information
GedLee	Loudspeakers, home theatre, acoustics & noise control and sound quality are the main areas of expertise, and GedLee is the home of SPEAK loudspeaker design and modelling software, and the book 'Audio Transducers'.
Bill Collison	Vented Subwoofer information, showing that it can be done, if you are willing to make the effort. There is quite a lot of useful information, allowing you to make a high performance vented system and avoid the pitfalls. (Site now has a new home).
	An absolutely top notch simulator. The free version has a limited number of nodes (connections), but is still sufficient for nearly all your simulation needs.
	Marchand Electronics - Electronic crossovers, amplifiers and custom designs.

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	Search engine for electronic component datasheets - over 100 million indexed data sheets
	From Italy, you can see Federico Paoletti's Unofficial Audio Pages
	This is a great site for just messing around in - not much audio, but lots of other stuff
	Hobbytron carries a wide range of electronics fun and toys. The site features secure ordering, and has kits and test equipment, MP3 players, and much, much more. Also has extensive DIY links.

	FreeDatasheets.com is a FREE data sheet search engine for electronic components. Thousands of data sheets, no login or membership required. Text based datasheet searches, download directly as a pdf file, and all files are saved with their part number as the filename.
	Acoustic Design is a company dedicated to offering turnkey audio, visual and acoustic solutions to the professional and educational sectors.
	DataSheetPro another FREE data sheet search engine for component and design engineers. Our database contains millions of specs on electronic and semiconductor components from all major manufacturers around the world.
	Vintage Audio .Com .Au, Australia's own Vintage Hi-Fi web site where you can see, read about & buy great pieces of vintage audio from the 70s and 80s. All the great brands of the period like Pioneer, Sansui, Marantz, Rotel, Luxman and more.
	Datasheet4U: is a free electronic engineering tool that enables you to locate product datasheets from hundreds of electronic component manufacturers worldwide.
	Canuck Audio Mart - Canada's largest online HiFi/Audio Classifieds Site!   Classifieds, Forum, Personal Ads, Links, Etc.

Please Note: If you request a reciprocal link it will be added here. Should the link to my site disappear from yours, I will delete the link on this page. There seems to be a little game that some people play ... request a reciprocal link from a well placed site (such as the ESP site), and delete the link back to ESP as soon as the search engines pick up on the new site. All future link requests will be viewed with suspicion because of this.

Several links have been deleted from the above reciprocal links section, and any site that does not maintain a link to ESP will suffer the same fate.