>>> Depends which stops. The bass pipes in particular tend to be slow to
>>> speak, as do low diapasons. But reed pipes tend to speak very promptly.
>>>
>> Never thought about that, interesting! So does that mean you have to 
>> take into account when to press the lower keys, that it takes longer 
>> and therefore you have to play them earlier than the higher notes and 
>> have to play quite "irregular" to get a "regular" sound"? That sounds 
>> very difficult to get right! And in fact, that could be a reason, why 
>> it sounds so awful in church sometimes ;).
> 
> In a well-maintained organ, all but the huge pedal pipes speak quite 
> promptly. I'm told you have to play the pedal notes fractionally early 
> (but only fractionally). Most of the other pipes have a delay short 
> enough for it not to matter too much. (It just means that, e.g., if you 
> play *really* fast notes, they don't come out very loud.)

Now, if you want a *real* problem... Try playing an organ where one of 
the ranks of pipes is 200 feet above your head, so there's a split 
second delay between hitting the key and hearing the note. ;-) Now try 
that in a cathedral with a 7 second reverb time...


-- 
http://blog.orphi.me.uk/
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