TromboneChat

tbonesullivan

If this is the Yamaha YBL-611, it's very similar to the YBL-612, which they still have a lot of parts for, if you need them.

tbonesullivan

Looks almost like something that was never finished, as there is almost no transition to the throat, just a hole in the bottom of the cup.

tbonesullivan

Looking at the pictures, that has the wonderful Conn gold tinted lacquer, which can make it hard to identify the materials used. The bell is definitely Rose brass, and it looks like the handslide end bow is nickel. If the outer slide tubes are the same color as the valve wrap, it's yellow brass. If ...

tbonesullivan

One of the biggest reasons is that it does take a bit of time before you get used to remembering the slide lock. When I first started playing, outer slides falling off was a regular occurrence.

tbonesullivan

When we toured the Bach factory in Elkhart a couple years ago - they explained the Artisan trombones were manufactured with a steel wire, apparently specified by MLR, but all of the other trombones they made were manufactured with brass wire. I wonder how long until my curiosity causes me to grab o...

tbonesullivan

WOW, the TOP outer slide on the new tube sounds the worst out of all. Hopefully something can be done, as that definitely shouldn't have happened. Also, the tech should definitely be able to tell what got screwed up. If they can't, they shouldn't be advertising slide work as something they do.

tbonesullivan

The bead is not steel. The bead is the portion of the bell that is "rolled over". Inside this is a rim wire, which is usually steel. The bead can be soldered or unsoldered

Some trumpets have a "french bead", which is just the brass folded over, with no rim wire.

tbonesullivan

Looks like a possible bit of acid bleed, or something similar. I believe red rot is not really something that occurs on bells very often, if at all. It's really something that happens in the areas of the trombone that stay wet, like slides, crooks, and such.

tbonesullivan

The cut is just so the short tube is able to fit and make it to G. Now only the end of the long tube will be able to go in, but it will work. Therefore you can just revert it back, with only a section of the outer tuning slide leg missing. Only concern there would be if the stock configuration was ...

tbonesullivan

Unless you REALLY pull it, I doubt you would get enough pressure to hurt anything. Thayer valves are not the tightest sealing valves, so getting a pop from them can be hard.

However, I would still try to avoid doing it, as you can possibly end up sucking "crud" , "gunk" into valve areas.

tbonesullivan

Quite flat. Please see the screenshot of the tuner below. The slide also cannot be pushed all in except if you have it cut, after which I believe it can do in-tune G no problem. Well, that's a no go then. Probably easier to cut down the receiver end. I still don't know why they did away with that f...

tbonesullivan

Bach5G wrote: ↑
Thu Jan 28, 2021 12:41 pm
I assumed Yam just put a second valve on its 421 single bass.

looking at the parts diagrams, they all use the 421 leadpipe.

tbonesullivan

Thanks for the history David. I have this version, which also has the split triggers from the factory. I bought it used , but always wondered when this final iteration was first sold and how long it was produced for? Detailed Yamaha history can be hard to come by. Per the Yamaha parts catalog: http...

tbonesullivan

The salesman at Dillon Music said the 620G was Yamaha's version of a vintage Conn 62H. Whether this is true or the playing characteristics equate I am not sure as I have never played a vintage Conn 62H. A more correct statement would be that the YBL-611/YBL-612 was based on the 62H / 73h. The 62H h...

tbonesullivan

The YBL-620 G is a great horn, and was on my short list for a while, before I found a great deal on a great condition YBL-612 R II. The current YBL-830 can be made into (flat)G-Eb by ordering another F slide and put it into Gb/D branch. The slides of both branches are of the same width. I haven’t tr...

tbonesullivan

I remember that Custom OE Thayer Bass Trombone at Dillon Music. It was independent, and the thumb was F, and the paddle went right to D. It curved around the back of the trombone.

tbonesullivan

Reminds me of the "Walzenvalve" German tubas which have the rotors directly below the paddles, instead of on the other side of the horn. I mean there's no real rule regarding which direction the rotor has to face.

tbonesullivan

I think of there being "warmup mutes" and "practice mutes", and they fall into those two categories. Those like the best brass really are "warmup mutes", and are for keeping you really quiet so you can warm up without annoying the strings. Practice mutes like the Silent Brass system and the Bremner ...

tbonesullivan

Definitely looks like some solder ran down into the pipe when it was originally assembled.

tbonesullivan

I think it was strange/different that a guy like Peter was working with Thein to get them to build an instrument that was such a departure from what they normally make. It's great, now they have that horn, but Peter has such an influence from his teacher Alessi that it's surprising that he wasn't o...

tbonesullivan

JCBone wrote: ↑
Thu Dec 31, 2020 12:53 pm
I think it's inspired by the valve design of some older german trombones.

Well it definitely seems to allow the valves to sit a bit closer, and gives more options for the valve wraps.

tbonesullivan

I would say that it's definitely a "Step Up" horn. They often look just like the pro horns, but use lesser components. Quinn is usually spot on with his listings, so I would say he's right with this as well. It also could be a special run of the 88HO. So I'd ask if he knows what specifically separat...

tbonesullivan

That does look like a variant of the A47BO, as far as I can tell, but the lighting in the video makes it nearly impossible to see the valve wrap. it almost looks like it crosses over in some strange way. I've also been somewhat amazed that Bach uses it's own valve on the A47BO, but now uses the Open...

tbonesullivan

I look for a horn that I have to work the least with to produce the sound that is in my head. A horn that helps me, and doesn't fight me. Yes I know there is no such thing as a "perfect" trombone, but some definitely just didn't work with me. It's the same with any instrument. Also the valve feel an...

tbonesullivan

Interesting valve mounting, though I can see the benefit of it.

tbonesullivan

That... looks like crap, sorry. All they did was take off the lacquer and use brass black, or something similar. They probably didn't properly soak it in water for 24 hours to remove the oxidizing agent either.

tbonesullivan

There are some 4147 in orchestras. But otherwise, not much point when you can have an Edwards tailored to fit your needs. I've actually been fairly surprised to see that a lot of listed Edwards artists are using the T-396 now. I had thought it wouldn't have affected the pro world much, but it defin...

tbonesullivan

Definitely email your questions to Hammond. They are very responsive. Karl Hammond worked at Schilke and developed the "Symphony" series there, so he would know exactly what you're asking.

tbonesullivan

NICE!!!!! What a great looking horn, classic Single Valve bass. Love the E-pull as well.

tbonesullivan

For me, I hold the slide more parallel to the ground, and increase the angle between the slide and bell section. I only really need to do this on my 3B and Alto.

tbonesullivan

The spindle screw just holds the linkage to the rotor stem. if it's moving back and forth, it's either worn, or the backing plate could be not installed correctly.

tbonesullivan

I know some people who really like them. The main question is, will YOU like it.

tbonesullivan

They are nice valves! Just make sure they are in good shape. I don't know if anyone is making any type of parts for them anymore.

tbonesullivan

Here is an interesting point.... I don't necessarily agree, but I do agree. Go to an expert to get fitted if you go the modular route. They have seen enough different people to know what works generally for different types of players. For example, when I was doing this, it was pretty obvious to me ...

tbonesullivan

CLOSE THE CAN OF WORMS.

Stick to non-modular horns if you are like me. Constantly worrying whether it's the BEST POSSIBLE COMBINATION will make you lose so much sleep.

tbonesullivan

People mess with the spacing between mouthpiece throat and venturi enough that Adams Instruments makes an "Adjustable Gap Receiver" for their Euphonium models.

Two piece or one piece, there is still some interaction between the throat and the venturi.

tbonesullivan

They are nice horns. If it's in good shape and the price is right, why not go for it? Plenty of people love them. Well designed. It's a shame they don't make them anymore. The Benge line was well thought out, but once Conn-Selmer became a thing, they were doomed.

tbonesullivan

I have found that (at least some) leather mouthpiece pouches will cause silver-plated mouthpieces to rapidly tarnish. Now only used for gold-plated pieces. The tanning agents used to turn hides into leather are nasty, whether they are vegetable based or chemical based. They readily react with just ...

tbonesullivan

That’s interesting. I had the same thing happen to a mouthpiece that i left in my shops ultrasonic cleaning room for a week. I left it tuesday and came back monday and it was straight black and another was that orange color with my finger prints on it. I’m really not sure what caused it, or why the...

tbonesullivan

Classic tarnish. Some silver polishes have a "tarnish shield" in them, which is usually some type of silicone. It may be possible that some mouthpiece makers now use this to prevent tarnish. Bach and Yamaha used to have mouthpieces in plastic bags with a little black strip of paper, which was actual...

tbonesullivan

Not sure what you'll gain in "portability." :idk: My old Conn 88H case is only 1¼" shorter than an 88HCL case – it's the slide length that determines the case length. This was my thought as well. Just looking at that case, it's not getting any shorter unless the SLIDE gets shorter. It'll make the b...

tbonesullivan

After several days of Hetmans each morning, the valve is playable. A testimonial to Hetmans, I suppose. Perhaps the long term solution is to get used to cleaning the valve regularly and frequent (daily) applications of Hetmans. Where are you located? If you are anywhere near Washington State, I wou...

tbonesullivan

Im pretty sure it was aftermarket. The lacquer started discoloring when i put flux on it, no heat or anything just flux and it turned a pasty white. I think im just gonna order the parts and finish it You are aware that flux is pretty corrosive, right? If it was nitro lacquer it'll readily react wi...

tbonesullivan

Was it an original Shires part, or was it something that had been fabricated? Those connectors are pretty specific to Shires.

tbonesullivan

Dang, I wish I played more, or didn't already have a fleet of trombones. These look really great.

Thank you SO much for continuing to innovate and bring fresh ideas and designs into the market Noah!

tbonesullivan

Hmm, that is somewhat odd. I've got several Yamaha trombones, and haven't had any valve issues. Maybe something happened to it during shipping at some point?

Has it always been like this?

tbonesullivan

BGuttman wrote: ↑
Mon Nov 09, 2020 9:15 am
Many stainless steels have nickel in them, but not many people with nickel allergies react to it.

If I'm correct, Stainless steel is supposed to form an impermeable layer of Chromium Oxide, which is what prevents any further oxidation. Some acids can eat through this though.

tbonesullivan

Soap and water. Nothing else. You could maybe get some silicone furniture wax and rub a tiny bit alll over the outside. That will make it smell lemony fresh and can help prevent further oxidation.

I would not recommend doing that inside the bell however, unless you want mutes to fall out a lot.

tbonesullivan

I also had a SS G&W for a while. I think a Euros? I just didn't bond with it. The lip feel was "different" somehow. Almost like it "bounced back" more. Maybe due to the harder alloy? Anyway, I felt it "supercharged" my sound somehow, but I didn't like the results coming out the other end. Maybe if I...

tbonesullivan

What kind/brand of mute?

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