I'll just add my own experience with the Discovery vs. much more expensive models as I've been playing the Discovery as my main axe for a while now (which I know some folks might find a bit surprising).
I was previously playing CX12s for my gigs and rehearsals but in recent years, perhaps because they tightened up the tolerances, I've found the windsaver action to be unreliable. Might be fine for a couple of weeks at most before I have to address one or more windsaver issues, so I was spending too much time fighting with that, cutting into my practice time.
But I prefered the CX12 sound and responsiveness when playing with my live rig compared to any of the other harmonicas I own (I own a lot, but all are under $1000). So one day I was trying to decide on a model to replace the CX12 for live use (without having to change the rest of my rig), trying all my harps with the rig, and I liked the Discovery the best (this is using it close-mic'd and cupped into a high end condenser mic). The tone is quite different from the CX12 and softer (not an issue when mic'd), but it sounded really good in this context.
Yes, it is not as airtight as other harps.
But...
- I like the mouthpiece just fine
- It's airtight enough to get nice vibrato and bends
- It's dynamic enough for my needs
- The windsavers seem to be much better behaved (perhaps because of the minor air leakage putting less stress on them???)
- They come in a very small semi-soft zipper case (which I prefer greatly over those big bulky plastic jobs)
- I've now purchased a total of eight of these harps (I'll explain why below) and every single one has played perfectly right out of the box.
- They come with that humorous chart showing which styles you can play on which model chromatics (OK, maybe not a plus)
- And then there's the price...
Unless you're ordering something like an EastTop direct from China, the Discovery is perhaps the best value on the market. But the price at various sites does fluctuate wildly. I've been buying them because I have no idea how long they'll be available as cheaply as I've been finding them. I think I have enough now to last me quite a few years, so I've told myself to stop :-). When the harmonica is cheaper than the reed plates, perhaps something odd is going on.
I just picked up my last one (at least for now) from Guitar Center, where with a coupon I ended up paying about $100 including tax and shipping. All I can say is if I didn't think these were professional grade harps (despite how they're being marketed), I wouldn't be using one on the gig or at rehearsals.
Don't get me wrong, I love playing the more airtight harmonicas, they are a bit easier to play. But the Discovery is working well for my live setup, is _reasonably_ airtight, and is saving me maintenance time and up front cost. So I've compromised :-).
- Slim