Thanks, Klaus, I recall that discussion, too.  Another piece of info I 
didn't mention - this horn also has a lyre holder, suggesting that it 
may have been aimed at the school market.  The "valve loop node" 
explanation seems like a rather esoteric feature for a [possibly] 
student horn.  But then maybe Mirafone didn't want to use different 
valve sections on their different lines.

BTW, the high Bb seems OK on this horn.  I can't blame it on the hardware.

Jake

On 10/1/2010 2:00 PM, Klaus Smedegaard Bjerre wrote:
> One reason may be the problems some Geyer type horn have had with high Bb on 
> the Bb side. Some posters a long time ago ascribed that problem to the bore 
> variances within the 1st valve loop, when the 1st slide is pulled. Miraphone 
> and Hoyer single Bb horns are very similar to the Bb side of Geyer horns.
>
> By reversing the slide, the bore variances are moved to slightly different 
> places, which may bring them out of harms way for sore nodes.
>
> Klaus
>
>    
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