I have questions concerning four topics, but first the set-up story... I 
recently got my hands on an older Knopf compensating double horn. I had some 
minor repairs done and, after adjusting the first valve, it felt a bit stuffy 
but otherwise played very well. I've played some pretty nice instruments that 
can be described as 'forgiving' or 'obedient,' but this Knopf actually seems 
'willing' to play what I want. Creepy, huh? I'm anxious to see how it plays 
once it's issues are resolved.

Corrosion - I had the horn professionally cleaned. The inside was filthy. The 
slides fit well and there was/is no evidence of corrosion on the outside of the 
horn. Is corrosion on the inside of the instrument a valid concern? If so, how 
can this be checked and, if necessary, remedied?

Valve work - During the cleaning it was discovered that the first valve had 
been replaced with one that doesn't fit correctly. I contacted Christian Knopf 
about getting a valve for it. He has been very patient with me and my poor 
German generated by a web-based translation of iffy English. He understandably 
wants me to send him the horn so he can correctly install the right valve. My 
gut feeling is to ship the horn to him for this work. Does it make sense to 
send the instrument to Germany to have the work done by Herr Knopf? Can I have 
the horn properly repaired stateside, if so by whom?

Overseas Shipping - If I send the horn to Herr Knopf, obviously I have to ship 
it to Germany. From what I've gathered, shipping the horn overseas is quite 
costly in time, money or both. The people at one shipping office raised 
concerns about being taxed on the value of the horn getting it through customs. 
Could someone with transatlantic shipping experience offer some tips, please?

Also, if all else works out, I'm considering having the bell cut. I prefer a 
cut bell for ease of travel. The bell of this horn is so light and resonant 
that I fear a ring might dampen it. I asked Herr Knopf and he said the bronze 
ring he uses would not change the character of the horn. I've had screw bells 
on my Paxman 20L and Yamaha 667V. The Yamaha ring seems to be by far the 
lighter of the two. What are the differences in the rings available? Would one 
be more appropriate than another for this horn? 

 

Doug

Life is a terminal disease - live with it.

 
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