If you’re seriously after deep/warmer sound, and are thinking of reaching for low keys, you can’t go wrong with some famous low-whistle makers like _________, _______ and ______.
I mean there’s no way to go deeper other than playing lower keyed whistles. I think if you love “deep” as in “low”, don’t hesitate to take up a low D. I hear Dixon is good for a starter.
Otherwise, as to high, or soprano, whistles, here are what I can think of at this moment:
a) Busman
Wood. You can pick what you like…Bocote (mine), Blackwood, Pink Ivory, etc, etc. If it’s not your daily prayer for all the recorders to be abolished from the surface of Earth, this is it. Mind you, I’m not a recorder hater and I do think some recorders do sound warm, only when played by very limited number of exceptional, divine-inspirated musicians.
Busman is one of the kind in the aspect of the tone it produces, although constructed as a 6-hole whistle. “Warm”. amen.
b) Elfsong
Copper etc. Warm/pure, but tend to clog on higher 2nd oct. notes. Still a soprano, so not really “deep” (nitpicking…?
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c) Generation Bb
If possible, get a Freeman-Tweaked version of it. Marvellous.
Perhaps a little luke-warm, being neither high or low, therefore to be cast out of some peoples’ lips. I personally think it’s “deep” to some extent.
d) Hoover
Quiet, warm and pure. Would match dulcimers perfectly.
Go for lower keys.
lixnaw
I thought Copelands are a bit too reedy, but then again the reedy-ness is the very thing one would consider “warm”. I think Cillians are much “warmer” in the opposite sense (i.e. not reedy). Still has the metalic tone to it, but purer, deeper (perhaps narrower, focused?) than Copelands.
E=Fb
C’mon, listen to Sean Ryan…his Susato doesn’t sound like a screechy screemer!
Surely there must be a way to produce a warmer tone out of the plastic bodies…I’m still having problem with the recently acruied Bnat, the tone I very much love.