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Deze vraag komt vrij regelmatig op TrumpetHerald terug.
Hier is mijn meest volledige reaktie uit 2006 (sorry voor het Engels, maar ik heb even geen tijd om het te vertalen):
These are the so called Vienna octave keys that help secure certain notes. Opening a key, gets rid of the notes around the one you want to play. For instance, when playing the high C with the C-key open, you can only play the high C, not the B-flat under it nor the high D-natural above it. It so reduces the risk of splitting notes dramatically.
The trick is to open a key in combination with standard fingering.
The water key (also called D-key) works for the F'', Bb'' and D'''.
The C-key works for the Eb'', Ab'', C''' and Eb'''.
The A-key helps the E'', A'' and C-sharp'''.
The rare B-natural key works with the Eb'', G'' and B-natural''.
Most German trumpets have, apart from the waterkey, one (C-key) or two (C and A-key) added keys. They are to be opened one at a time, with original fingering and should be used with the little finger from the right hand. The high B-natural-key (only custom order with some builders) normally has to be played with the index finger of the left hand, but Lechner puts that key under the trumpet, so you can open it with your left hand thumb.
Most trumpeters order more than one tuningslide, because
-1: the keys add quite a lot of extra weight to the tuningslide and change the overall sound (darker/duller).
-2: the key-holes can add a tiny bit of hiss to the sound, even when not used.
-3: the keys can molest, because of the "extra stuff" added onto the instrument.
The use of the keys should not be abused; they are not always a help. Quick playing with the keys is a real burden and pretty much useless.
However, they are very helpful when playing large intervals (Zarathustra), short high notes and delicate entrances of long notes.
When used in a proper way and if they are placed precisely on the right spot they are "magic". When not, they can actually molest a lot.....
I usually play classical programmes (Mozart, Haydn, Schubert...) with a tuningslide without keys, not even a water-key. Pieces from R.Strauss, Wagner, Mahler, Brucker, etc. are great with (some) keys.
Most brands charge around 100-150 Euro for each added key, when ordered with a new trumpet.
An extra/spare tuning-slide will cost around 200 Euro plus the price of the extra keys you'd want to have.
Ik hoop dat dit je vragen beantwoordt,
MvW.
Laatst bijgewerkt door Maarten van Weverwijk op 05 jan 2010 19:50, in totaal 2 keer bewerkt.
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