Bach Bass too flat
Posted: Tue Jan 02, 2018 12:31 pm
Quote from: elmsandr on Jan 02, 2018, 10:19AMDang it, Brad, just look at the picture! The tuning slide on the small side is actually too close to the tuning slide if you look, not too close to the handslide receiver that would be required by what you state. Recall that this ferrule from Bach is countersunk for the tuning slide receiver, so it sits flush into a shoulder on the ferrule. That is, you can assemble the ferrule and receiver sitting on the bench without the horn. FWIW, I put the handslide receiver joint in the exact place it was on the original because I didn't want to screw up the bell rim placement relative to my face.
On this initial mount, I cheated the the small one towards the tuning slide bow because it was shorter. The straight sections of nickel tubing are different length. A picture isn't a good way to exactly measure this, but it is off by about 1/2". It would still be off if the valves were sitting in the box unopened just looking at the brace locations relative to the ferrules and main tuning slide bow. The small and large tuning slide tubes are supposed to be the same length. They were the same length on the factory parts, they were not when I mixed parts of different vintages (the entire point of the picture). For fun, I also had to trim the main tuning slide tube on the NY45 when I made that tuning slide and bell flare fit the same valve section later (and planning for a NY50 that is sitting next to it). Having had to make the same cut several times, you tend to remember it. Especially if you lose one of those little beauty rings on the end of the tuning slide.
I'll take some pictures and measurements of my 42 parts later to show this if I have a chance when I get home.
Cheers,
Andy
None of that has anything to do with what I asked you. I did look at the picture, obviously, which is why I asked you those questions. But you seem to be getting upset about this for no reason, so let's just forget it, o.k.?
On this initial mount, I cheated the the small one towards the tuning slide bow because it was shorter. The straight sections of nickel tubing are different length. A picture isn't a good way to exactly measure this, but it is off by about 1/2". It would still be off if the valves were sitting in the box unopened just looking at the brace locations relative to the ferrules and main tuning slide bow. The small and large tuning slide tubes are supposed to be the same length. They were the same length on the factory parts, they were not when I mixed parts of different vintages (the entire point of the picture). For fun, I also had to trim the main tuning slide tube on the NY45 when I made that tuning slide and bell flare fit the same valve section later (and planning for a NY50 that is sitting next to it). Having had to make the same cut several times, you tend to remember it. Especially if you lose one of those little beauty rings on the end of the tuning slide.
I'll take some pictures and measurements of my 42 parts later to show this if I have a chance when I get home.
Cheers,
Andy
None of that has anything to do with what I asked you. I did look at the picture, obviously, which is why I asked you those questions. But you seem to be getting upset about this for no reason, so let's just forget it, o.k.?
