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Problem with New Yamaha Baritone Sax

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Bujiwuji

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Jun 7, 2006, 2:05:30 PM6/7/06
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I bought a new Yamaha baritone sax (YBS 62). The lower register plays well,
but when I play a note on the staff (for example, E, F or G) followed by
high B above the staff, the horn sounds the B on the staff rather than high
B. However, if I play up the scale to high B, the high B will sound
properly.

And if I rest two or three counts and try to play a high B, the horn sounds
the B on the staff instead of high B. I've asked different people, playing
different mouthpieces, to try the horn, and all get the same result. What
could the problem be?


Bujiwuji

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Jun 7, 2006, 4:34:38 PM6/7/06
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I forgot to mention that the notes controlled by the palm keys (D, Eb, E, F)
won't play from a rest either. To make them sound, I have to play up the
scale to them.

"Bujiwuji" <buji...@bogrush.pointbob.net> wrote in message
news:QoydncYLIqzkiBrZ...@whidbeytel.com...

arnon.ron

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Jun 7, 2006, 4:40:10 PM6/7/06
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Check if the octave key mechanism is working well. When advancing from G to
B the octave key on the crook should open up on the B.

"Bujiwuji" <buji...@bogrush.pointbob.net> wrote in message
news:QoydncYLIqzkiBrZ...@whidbeytel.com...

Stephen Howard

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Jun 7, 2006, 5:43:39 PM6/7/06
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On Wed, 7 Jun 2006 22:40:10 +0200, "arnon.ron" <arno...@xelion.nl>
wrote:

>Check if the octave key mechanism is working well. When advancing from G to
>B the octave key on the crook should open up on the B.

That would be my first port of call - sounds like one or both of the
octave keys pads is stuck. Might be worth giving them a clean with
some lighter fluid.
There are three pads in all, the 'body' key is a dual pad affair.


Regards,


--
Stephen Howard - Woodwind repairs & period restorations
http://www.shwoodwind.co.uk
Emails to: showard{who is at}shwoodwind{dot}co{dot}uk

Bujiwuji

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Jun 8, 2006, 3:08:29 PM6/8/06
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This may be the key to the problem. The octave pad located just below the
vent tube (where the neck fits in to the horn) DOES open when I push the
register key down. However, the two octave keys located close to the top of
the crook never open. Are these two keys supposed to open when the pad near
the vent tube opens? What controls the opening of the two upper pads near
the top of the crook?

One other piece of information may help the diagnosis. Of the the notes
controlled by the palm keys, high D will sometimes sound without scaling up
to it. But never high Eb or E.

Stephen: In the review of the YBS 62 on your site, you mention that
"There's a dual octave key system too, or rather the upper octave key vents
at two places. This is presumably to improve tone and tuning of the upper
register. I did have to re-balance this mechanism...." What symtoms were
you addressing?

Thanks to you both for your response and ideas.

"Stephen Howard" <sees...@email.uk> wrote in message
news:0vhe821mpo4oiuhmc...@4ax.com...

Stephen Howard

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Jun 8, 2006, 4:25:59 PM6/8/06
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On Thu, 8 Jun 2006 12:08:29 -0700, "Bujiwuji"
<buji...@bogrush.pointbob.net> wrote:

>This may be the key to the problem. The octave pad located just below the
>vent tube (where the neck fits in to the horn) DOES open when I push the
>register key down. However, the two octave keys located close to the top of
>the crook never open. Are these two keys supposed to open when the pad near
>the vent tube opens? What controls the opening of the two upper pads near
>the top of the crook?
>
>One other piece of information may help the diagnosis. Of the the notes
>controlled by the palm keys, high D will sometimes sound without scaling up
>to it. But never high Eb or E.
>
>Stephen: In the review of the YBS 62 on your site, you mention that
>"There's a dual octave key system too, or rather the upper octave key vents
>at two places. This is presumably to improve tone and tuning of the upper
>register. I did have to re-balance this mechanism...." What symtoms were
>you addressing?
>
>Thanks to you both for your response and ideas.
>

There's your problem then.
The twin keys should open from octave middle D to G - from A and above
the other octave key opens ( and the twin keys should close )
Depress the G key and try lifting the twin octave key cups with your
finger. If they lift freely ( i.e, the pads aren't stuck ) then it
appears your octave key mech is out of balance - and I'd advise having
it looked at by a repairer ( it's not the sort of job I'd recommend
for home tweaking )..though see below..
If lifting them appears to solve the problem, use lighter fluid to
clean the pads and all should be well.

As regards the twin key cups, they're balanced to each other by a
small spring and a bit of felt - which is supposed to be a
self-regulating mechanism. It doesn't always work out like that in
practice though, and the mech may need an initial setup.
The symptoms were a loss of clarity and tone between mid D - G.

One problem that this mech suffers from is that underneath the lower (
I think ) of the two key cups there's a flat spring that rests on the
sax body. It can pop out of its little channel on the body..and if
that happens there's no power to open the key cups.
This could well be what's up with your bari ( assuming it's not just
sticking pads ), in which case you need to gently poke the spring back
over into its channel.
At some point it will be worth having your repairer check the
tightness of the spring screw...because if the spring has come out
once, it'll come out again until it's better secured.
It's a design fault - easily rectified with an appropriate tweak...but
nonetheless one that shouldn't be there on a pro-spec horn.

Bujiwuji

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Jun 10, 2006, 10:25:26 PM6/10/06
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This will be my last post on the issue of the Yamaha 62. Thanks for your
last response. I learned quite a bit from it.

However, the source of the problem is not the register mechanisms. When I
said that "the two octave keys located close to the top of the crook never
opens," I had simply failed to notice that the spring had come out of its
place. Once the spring was re-sprung, the register mechanisms worked
properly.

The original two problems were (1) that when I played staff E followed by B
above the staff, the horn produced staff B rather than upper B, and (2) that
the notes controlled by the palm keys will not sound unless I scale up to
them (actually, they sound, but an octave lower than they should).

The first problem has, for the most part, responded to the repairer's care.
But the second remains unchanged. Could the vent tube be the source of the
problem?

"Stephen Howard" <sees...@email.uk> wrote in message

news:m11h829n5ilovm6kr...@4ax.com...

Stephen Howard

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Jun 11, 2006, 4:57:42 PM6/11/06
to
On Sat, 10 Jun 2006 19:25:26 -0700, "Bujiwuji"
<buji...@bogrush.pointbob.net> wrote:

>This will be my last post on the issue of the Yamaha 62. Thanks for your
>last response. I learned quite a bit from it.
>
>However, the source of the problem is not the register mechanisms. When I
>said that "the two octave keys located close to the top of the crook never
>opens," I had simply failed to notice that the spring had come out of its
>place. Once the spring was re-sprung, the register mechanisms worked
>properly.
>
>The original two problems were (1) that when I played staff E followed by B
>above the staff, the horn produced staff B rather than upper B, and (2) that
>the notes controlled by the palm keys will not sound unless I scale up to
>them (actually, they sound, but an octave lower than they should).
>
>The first problem has, for the most part, responded to the repairer's care.
>But the second remains unchanged. Could the vent tube be the source of the
>problem?
>

Now that you've established the octave mech works, I would guess that
the next thing to check is that the octave key vents themselves aren't
blocked ( use a pipe cleaner..you should just be able to work it in
the hole without having to remove the keys ).
Check the water key cork too...a slight leak here will cause problems.

Other than that I has to be down to a leak or a mechanical fault
somewhere...and the quickest fix for this is to have it looked at by a
repairer.
There's only one other reason why a YBS62 won't function...

Bujiwuji

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Jun 11, 2006, 5:59:52 PM6/11/06
to
We can eliminate the "one other reason." Others, including a repairer, have
played the horn and obtain the same result: the tones controlled by the palm
keys won't sound unless the player scales up to them. And I have no trouble
playing these notes from a standing stop on an old Conn bari or on my
ancient Getzen (despite its missing corks). Or on my tenor. Nor are the key
vents blocked. It seems that we're down to the water key cork, a leak
somewhere or a mechanical problem.

Stephen Howard

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Jun 11, 2006, 6:41:26 PM6/11/06
to
On Sun, 11 Jun 2006 14:59:52 -0700, "Bujiwuji"
<buji...@bogrush.pointbob.net> wrote:

>We can eliminate the "one other reason." Others, including a repairer, have
>played the horn and obtain the same result: the tones controlled by the palm
>keys won't sound unless the player scales up to them. And I have no trouble
>playing these notes from a standing stop on an old Conn bari or on my
>ancient Getzen (despite its missing corks). Or on my tenor. Nor are the key
>vents blocked. It seems that we're down to the water key cork, a leak
>somewhere or a mechanical problem.
>

Could be something really silly...like something stuck down the top
bow or the bore. I've been caught out with mouthpiece and end caps
wedged in the bore before now!

Bujiwuji

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Jun 11, 2006, 9:04:05 PM6/11/06
to
Thanks for your ideas and quick responses. I'll start looking for surprising
debris. By the way, I've really enjoyed the essays in your "Notes" section,
mostly recently SHBB (http://www.shwoodwind.co.uk/Notes/SHBB.htm). They're
idiosyncratic, wry, pleasantly detailed and companionable. Do you publish
anywhere besides your site?

"Stephen Howard" <sees...@email.uk> wrote in message

news:er6p82dkbjrfamus9...@4ax.com...

Stephen Howard

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Jun 11, 2006, 9:13:28 PM6/11/06
to
On Sun, 11 Jun 2006 18:04:05 -0700, "Bujiwuji"
<buji...@bogrush.pointbob.net> wrote:

>Thanks for your ideas and quick responses. I'll start looking for surprising
>debris. By the way, I've really enjoyed the essays in your "Notes" section,
>mostly recently SHBB (http://www.shwoodwind.co.uk/Notes/SHBB.htm). They're
>idiosyncratic, wry, pleasantly detailed and companionable. Do you publish
>anywhere besides your site?
>

Thanks for the compys!
Haven't published outside the site....might be an option when I'm too
knackered to play anymore...or when someone makes me an offer I can't
refuse!

Hope you liked the MP3....happy days!

Cheers,

Hello...@126.com

unread,
Jun 12, 2006, 3:03:23 AM6/12/06
to
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Nick Jones

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Jun 12, 2006, 4:32:22 AM6/12/06
to
Steve -

These are indeed nice pieces. And I like your sound clip.

Nick

Stephen Howard

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Jun 12, 2006, 9:25:37 AM6/12/06
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On Mon, 12 Jun 2006 08:32:22 GMT, Nick Jones
<nickan...@NOSPAMPLEASEWEREBRITISHtiscali.co.uk> wrote:

>Steve -
>
>These are indeed nice pieces. And I like your sound clip.
>
>Nick
>

Cheers!

I'd forgotten just how good the band could sound at times..and how
bad.
On the same tape is a disco version of "Singing in the rain" - and
it's bad...very, very, very bad. Get's a good round of applause
though...perhaps out of relief that it's stopped!


--
Stephen Howard - Woodwind repairs & period restorations

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