two sectioned main tuning slide

crowmadic · 10-03-2006, 08:24 AM

I have a vintage C.G. Conn trumpet with two functional sections to the main tuning slide. Each section has its own brace. Can anyone explain the purpose for this arrangement?

aneel · 10-03-2006, 08:38 AM

Hello! if I`ve pictured this right, what you have is a B flat and C trumpet. take off both the tuning slide and the `middle`slide and then repace only the tuning slide back on to the instrument and you should have a C trumpet, albeit with slightly dodgy tuning probably!

regards A

Fudleysmith · 10-03-2006, 08:47 AM

Hi,

Does it have a waterkey? If not, then the intermediate slide is to retain your slide position while the outer slide is removed to dump the condensate. Some french horns have this arrangement (lots of nooks anf crannies to try to clear water from).

Vulgano Brother · 10-03-2006, 12:52 PM

Maybe an "A" slide?

crowmadic · 10-03-2006, 02:15 PM

Thanks, I'll try that as soon as I finish a soldering job on it.

crowmadic · 10-03-2006, 02:17 PM

It does have a waterkey. I'll be checking to see if it will play in C with the secondary slide removed. Thanks for your input.

crowmadic · 10-03-2006, 02:20 PM

I'm a bit confused by your reply. Are you saying that it might convert to a key other than B-flat or C. Thanks for your input.

Tootsall · 10-03-2006, 03:45 PM

Put the intermediate piece in place. Play a "3rd space C" and watch the tuner (or compare to a piano). Did it play a Bb? or an A? If it played a Bb, then removing the slide will make it play sharper, or concert C; and the horn is a "Bb/C". If it played an A, then removing the slide will make it play sharper, or concert Bb; and the horn is an "A/Bb".

crowmadic · 10-04-2006, 08:50 AM

Thank you for contributing this knowledge. I had no idea there was an "A/Bb" trumpet. I'll follow your directions as soon as I finish a soldering job on the horn.

connloyalist · 10-06-2006, 04:02 AM

My guess would be high pitch / low pitch. With the extra slide section in the instrument would be in (modern) low pitch (A=440 Hz), without in high pitch (which is about A = 456 Hz, if memory serves).

Regards, Christine

10-03-2006, 08:24 AM	#1 (permalink)
crowmadic Mezzo Piano User Join Date: Oct 2006 Posts: 523	two sectioned main tuning slide I have a vintage C.G. Conn trumpet with two functional sections to the main tuning slide. Each section has its own brace. Can anyone explain the purpose for this arrangement?

10-03-2006, 08:47 AM	#3 (permalink)
Fudleysmith Pianissimo User Join Date: Jan 2006 Location: Niantic, CT Posts: 100	Hi, Does it have a waterkey? If not, then the intermediate slide is to retain your slide position while the outer slide is removed to dump the condensate. Some french horns have this arrangement (lots of nooks anf crannies to try to clear water from).
	__________________ Fudleysmith Conn V1 Rose brass bell GR 65M #1bb Conn V1 Flugel (Satin Silver) GR 65FD Conn 8DRS Lawson S670/P10G 705

10-03-2006, 12:52 PM	#4 (permalink)
Vulgano Brother Moderator Fortissimo User Join Date: Mar 2006 Location: Home Posts: 2,967	Maybe an "A" slide?
	__________________ "A tool good enough to be so used and not too good" C.S. Lewis That Hideous Strength www.letsbuildhope.org

10-06-2006, 04:02 AM	#10 (permalink)
connloyalist Pianissimo User Join Date: May 2006 Location: Netherlands Brand: Conn Posts: 66	My guess would be high pitch / low pitch. With the extra slide section in the instrument would be in (modern) low pitch (A=440 Hz), without in high pitch (which is about A = 456 Hz, if memory serves). Regards, Christine
	__________________ Main instrument: 1948 22B New York Symphony Member of the Elkhart-Conn 22B Fan Club

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10-03-2006, 08:38 AM	#2 (permalink)
aneel New Friend Join Date: Sep 2006 Location: vienna Posts: 49	Hello! if I`ve pictured this right, what you have is a B flat and C trumpet. take off both the tuning slide and the `middle`slide and then repace only the tuning slide back on to the instrument and you should have a C trumpet, albeit with slightly dodgy tuning probably! regards A

10-03-2006, 02:15 PM	#5 (permalink)
crowmadic Mezzo Piano User Join Date: Oct 2006 Posts: 523	Thanks, I'll try that as soon as I finish a soldering job on it.

10-03-2006, 02:17 PM	#6 (permalink)
crowmadic Mezzo Piano User Join Date: Oct 2006 Posts: 523	It does have a waterkey. I'll be checking to see if it will play in C with the secondary slide removed. Thanks for your input.

10-03-2006, 02:20 PM	#7 (permalink)
crowmadic Mezzo Piano User Join Date: Oct 2006 Posts: 523	I'm a bit confused by your reply. Are you saying that it might convert to a key other than B-flat or C. Thanks for your input.

10-03-2006, 03:45 PM	#8 (permalink)
Tootsall Fortissimo User Join Date: Oct 2003 Location: Yee HAW! Posts: 4,641	Put the intermediate piece in place. Play a "3rd space C" and watch the tuner (or compare to a piano). Did it play a Bb? or an A? If it played a Bb, then removing the slide will make it play sharper, or concert C; and the horn is a "Bb/C". If it played an A, then removing the slide will make it play sharper, or concert Bb; and the horn is an "A/Bb".

10-04-2006, 08:50 AM	#9 (permalink)
crowmadic Mezzo Piano User Join Date: Oct 2006 Posts: 523	Thank you for contributing this knowledge. I had no idea there was an "A/Bb" trumpet. I'll follow your directions as soon as I finish a soldering job on the horn.

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