QUOTE(david123 @ Feb 1 2009, 12:54 PM)

I know this may sound like a stupid question, but unless I ask I will never know.
Could somebody explain why all the different sizes and qualities of reeds there are out there.
The sites on the web I have looked up don’t really explain why you should use one rather than another. If that makes sense .
Without being the world's expert or anything the way I see it is this:
a) As with many things there are many manufacturers in the market and they will compete with each other, some produce better products than others. Also some individuals prefer one brand to another.
b) Different reed strengths are necessary - usually beginners need softer reeds and those who play up in the altissimo register frequently may require harder reeds to obtain the right sound quality.
c) Different reeds are cut in different ways and thus producing a different sound. For me I've now found my preferred reed - this being a Vandoren Rue lepic 56 reed. It produces a clear, defined sound that I like and is also projected enough for band.
d) Different mouthpieces require different reeds to give the best sound quality (to do with the the lay - gap between reed and mouthpiece and thus vibration produced) I think I'm right in saying that the larger the lay the softer the reed required.
In the end when choosing a reed it comes down to a little experimentation and personal preference. For me - I don't really like RICO and stick to Vandoren. Others disagree. There are other brands like Lurie Mitchell, Le Voz etc and I don't really know how they compare. The majority of music stores however seem to stock RICO and Vandoren traditional (Blue box) reeds. So in the past it's sometimes come down to what I can get. Now, after experimenting with a variety of brands, types and strengths I've found what works for me, what I can manage with and what I absolutely cannot work with.
I guess it's like anything else - buying clothes etc - there are so many types, styles and colours, the fits vary depending on make so you try them on and see what suits you. It's the same with reeds.