Tuning to an organ

Mark Johnston markj@acsinc.net
Sat, 22 Feb 1997 02:24:50 -0500


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Howdy list....
    Thought I would put in my .02 from an organ tuning perspective...
On an Allen "radio", your guess is as good as mine, I too would have gone
with the majority of manuals. If they are all different--go with the Great,
that is the division that will contain the largest stops used in
congregational singing--usually.
    However, when _attempting_ to get a piano's pitch to match an organ
(the real kind with pipes and NO speakers) whose pitch will always be in an
elusive state, use the 4' Principal--may also be called 4' Octave or 4'
Prestant on the Great division. This will be the most stable rank for pitch
and is also the rank the the organ tuner uses to match the entire rest of
the instrument to. Of course the other important consideration to remember
is that the pitch of pipes will always be floating up and down (the flue
pipes--reeds generally stay put) and when Sunday morning comes around-- or
whenever the organ is to be used-- the AC/heat will have been put on _well_
ahead of time to give the flue pipes a chance to return in size, and so the
air in the chambers and around the blower intake can return to standard
humidity so they can all be back in pitch next to their friends, the reed
ranks. Therefore, if you go flip the blower on, if the Stage Crew Union
lets you do it yourself--Oh, thats the other list, sorry-- and the
temperature/humidity is different, even by only a few degrees, there really
is no way to match it. Yes, I realize that temp. and humid. affect the
piano as well, but probably not in the same way and never in the same
amount. So let the Sexton/Maintainance crew/Secretary know that if they
want a piano pitch remotely "close" to the organ's, AC/Heat must be on well
enough in advance, so you can get a good "standard" pitch from the organ.
If they don't know or if someone asks, a good rule of thumb is an hour for
each degree it needs to go up/down. Now, if you think your being lied to--I
should charge for this one-
pull a Hymnal from a pew rack and open to the center. If its hotter/colder
than room temp. that means they turned on the system 20 minutes ago!  :)


> others) would "tune" this "detuning" to "fit" the installation.  Who
> knows?  I can report that the ones I've heard have been pretty
> impressive.

Ummm, yea, and you know my roomate's electronic keyboard has a 9' Concert
Grand button and I can hardly tell the difference....

HeHeHeHeHe....
       __
 {O      \
      @   )
 {O   __/          (big smiley)


Steven Moore
Greenville SC
markj@acsinc.net




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<html><head></head><BODY bgcolor=3D"#FFFFFF"><p><font size=3D2 =
color=3D"#000000" face=3D"Arial">Howdy list....<br> =
&nbsp;&nbsp;&nbsp;Thought I would put in my .02 from an organ tuning =
perspective...<br>On an Allen &quot;radio&quot;, your guess is as good =
as mine, I too would have gone with the majority of manuals. If they are =
all different--go with the Great, that is the division that will contain =
the largest stops used in congregational singing--usually.<br> =
&nbsp;&nbsp;&nbsp;However, when _attempting_ to get a piano's pitch to =
match an organ (the real kind with pipes and NO speakers) whose pitch =
will always be in an elusive state, use the 4' Principal--may also be =
called 4' Octave or 4' Prestant on the Great division. This will be the =
most stable rank for pitch and is also the rank the the organ tuner uses =
to match the entire rest of the instrument to. Of course the other =
important consideration to remember is that the pitch of pipes will =
always be floating up and down (the flue pipes--reeds generally stay =
put) and when Sunday morning comes around-- or whenever the organ is to =
be used-- the AC/heat will have been put on _well_ ahead of time to give =
the flue pipes a chance to return in size, and so the air in the =
chambers and around the blower intake can return to standard humidity so =
they can all be back in pitch next to their friends, the reed ranks. =
Therefore, if you go flip the blower on, if the Stage Crew Union lets =
you do it yourself--Oh, thats the other list, sorry-- and the =
temperature/humidity is different, even by only a few degrees, there =
really is no way to match it. Yes, I realize that temp. and humid. =
affect the piano as well, but probably not in the same way and never in =
the same amount. So let the Sexton/Maintainance crew/Secretary know that =
if they want a piano pitch remotely &quot;close&quot; to the organ's, =
AC/Heat must be on well enough in advance, so you can get a good =
&quot;standard&quot; pitch from the organ. If they don't know or if =
someone asks, a good rule of thumb is an hour for each degree it needs =
to go up/down. Now, if you think your being lied to--I should charge for =
this one-<br>pull a Hymnal from a pew rack and open to the center. If =
its hotter/colder than room temp. that means they turned on the system =
20 minutes ago! &nbsp;:)<br><br><br>&gt; others) would &quot;tune&quot; =
this &quot;detuning&quot; to &quot;fit&quot; the installation. =
&nbsp;Who<br>&gt; knows? &nbsp;I can report that the ones I've heard =
have been pretty<br>&gt; impressive. &nbsp;<br><br>Ummm, yea, and you =
know my roomate's electronic keyboard has a 9' Concert Grand button and =
I can hardly tell the difference....<br><br>HeHeHeHeHe....<br> =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;__<br> {O =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\ <br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;@ =
&nbsp;&nbsp;)<br> {O &nbsp;&nbsp;__/ =
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(big =
smiley)<br><br><br>Steven Moore<br>Greenville =
SC<br>markj@acsinc.net<br><br><br><br><br></p>
</font></body></html>
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