Effects Design Sites

There are many good engineers around who have helped with theory and ideas and have taken the time to share their experience.  I can heartily recommend these sites:

R.G.Keen’s site, Geofexhttp://www.geofex.com

Jack Orman’s site, AMZFX: http://www.muzique.com

John Hollis’ schematics page: http://www.hollis.co.uk/john/circuits.html


Component Suppliers

I’m based in the UK  so I tend to use British suppliers.  These are the ones I use the most:

Farnell Electronics: http://uk.farnell.com  (minimum order value of £20)

Rapid Electronicshttp://www.rapidonline.co.uk (now comparatively expensive on delivery)

Technobots: http://www.technobotsonline.com (they have low small-order charge)

Spiratronics: http://spiratronics.com/ (excellent service, low postage charge.  eBay or their website)


Buying Stuff From Ebay/China

I have quite a lot of experience with eBay and I generally take the view that you will win some and lose some  so I have been happy to risk buying direct from China/Hong Kong.  I have to say that (on the whole)  it’s been relatively painless.   Shipment time can be a month or more – so you need to be patient.

Generally speaking, it is wise to only buy semiconductors from a reputable supplier as there are an increasing number of fakes around.  Consequently (and regardless of any price disadvantage) I always buy semiconductors from reputable British suppliers if I can.

However, in the world of guitar effects there are a number of components which are obsolete and not generally available so you have to try potentially more risky suppliers.

At the time of writing (February 2012) I can recommend the following eBay sources:

Yoyo Components: http://stores.ebay.co.uk/Yoyo-Components-UK-Ltd (UK stock)

goodbuy7888: http://stores.ebay.co.uk/ledlightbulbworld (Hong Kong; successfully bought 1N34A and MN3007 and PT2399).