Page 1 of 1
Bach Omega 0.547” with F attachment
Posted: Fri Jun 09, 2023 5:20 pm
by Trhtrbn
I just purchased a Bach Omega Trombone from eBay, with 139112 on the crossbar behind the f trigger. It also has B3131 on both slide crossbars. There are no more numbers I can find. I measured the mouthpiece receiver and it is 35/64” or 0.547”. It is for sure NOT0.525”. Conn/Selmers sight is vague after 1994, but it is definitely before 2004. Can some one help me with determining a model other than Omega?
Re: Bach Omega 0.547” with F attachment
Posted: Fri Jun 09, 2023 6:39 pm
by Mamaposaune
Can you post a picture? There was a Bach Liberty that I believe would have been made around that time, maybe late 90's - early 2000's. I think they were sold through Music and Arts stores, and were .547 large bore. They looked like 42BO's, minus most of the nickle trim.
I came across a slightly used one for one of my students who was outgrowing his beginner horn, but the family was on a tight budget. It played well, imo, and seemed well made.
Re: Bach Omega 0.547” with F attachment
Posted: Sat Jun 10, 2023 10:20 am
by Trhtrbn
Here is a photo of the bell engraving and bone.
Re: Bach Omega 0.547” with F attachment
Posted: Sat Jun 10, 2023 10:35 am
by Posaunus
So you can use a large-shank mouthpiece in this trombone?
Re: Bach Omega 0.547” with F attachment
Posted: Sat Jun 10, 2023 10:42 am
by Trhtrbn
That is correct, I am getting a YAC-52L for tenor playing in concert band and a YAC-59L for bass bone playing in jazz band.
Re: Bach Omega 0.547” with F attachment
Posted: Sat Jun 10, 2023 10:47 am
by Posaunus
Trhtrbn wrote: ↑Sat Jun 10, 2023 10:42 am
That is correct, I am getting a YAC-52L for tenor playing in concert band and a YAC-59L for bass bone playing in jazz band.
So if you're happy with these setups, stop obsessing and just play and enjoy your trombone!
Re: Bach Omega 0.547” with F attachment
Posted: Sat Jun 10, 2023 11:04 am
by Trhtrbn
Yeah, you’re right! I was just bummed after getting the tenor bone and it was not coming naturally like it did when I was younger. I could not get below the Eb fV/3-1/4 position below the staff and was very disappointed with myself. I have to realize I am 62, haven’t played a bass bone since about 2012, and I also now understand that I coasted on natural talent back in the day. No excuse, but I haven’t played in so long because when I got full upper dentures at that time and I actually thought it was all over. I plug along everyday, now.

Re: Bach Omega 0.547” with F attachment
Posted: Sat Jun 10, 2023 11:24 am
by Trhtrbn
Posaunus wrote: ↑Sat Jun 10, 2023 10:47 am
Trhtrbn wrote: ↑Sat Jun 10, 2023 10:42 am
That is correct, I am getting a YAC-52L for tenor playing in concert band and a YAC-59L for bass bone playing in jazz band.
So if you're happy with these setups, stop obsessing and just play and enjoy your trombone!
Yeah, you’re right! I was just bummed after getting the tenor bone and it was not coming naturally like it did when I was younger. I could not get below the Eb fV/3-1/4 position below the staff and was very disappointed with myself. I have to realize I am 62, haven’t played a bass bone since about 2012, or any instrument for that matter, and I also now understand that I coasted on natural talent back in the day. I am actually going to have to start over and put in real work. No excuse, but I haven’t played in so long because when I got full upper dentures, at that time, I actually thought it was all over. I plug along everyday, now.

Re: Bach Omega 0.547” with F attachment
Posted: Sat Jun 10, 2023 12:15 pm
by MrHCinDE
Trhtrbn wrote: ↑Sat Jun 10, 2023 11:04 am
I have to realize I am 62, haven’t played a bass bone since about 2012, and I also now understand that I coasted on natural talent back in the day.
Don’t sweat it, I picked up my bass bone today after only playing tenor for a few months and it felt like I’d never played the thing before. Take your time and enjoy the process!
Re: Bach Omega 0.547” with F attachment
Posted: Sat Jun 10, 2023 12:32 pm
by Trhtrbn
MrHCinDE wrote: ↑Sat Jun 10, 2023 12:15 pm
Trhtrbn wrote: ↑Sat Jun 10, 2023 11:04 am
I have to realize I am 62, haven’t played a bass bone since about 2012, and I also now understand that I coasted on natural talent back in the day.
Don’t sweat it, I picked up my bass bone today after only playing tenor for a few months and it felt like I’d never played the thing before. Take your time and enjoy the process!
I will,

thx
Re: Bach Omega 0.547” with F attachment
Posted: Sat Jun 10, 2023 12:56 pm
by greenbean
Those mouthpieces are pretty big. You might find yourself playing flat. If so, more middle-of-the-road mouthpieces would help.
Re: Bach Omega 0.547” with F attachment
Posted: Sat Jun 10, 2023 7:41 pm
by hornbuilder
That is a design that was sold under the Benge brand.
Check the pull on your valve slide. You have it pulled out too far to be in tune.
Re: Bach Omega 0.547” with F attachment
Posted: Sat Jun 10, 2023 8:32 pm
by Mamaposaune
Looks like a Benge190/f, at least the f-attachment wrap.
I can't keep up with the Bach intermediate horns. It seems they change them constantly, even while keeping the name the same. There must be dozens of variations since the Mercury model.
Re: Bach Omega 0.547” with F attachment
Posted: Sat Jun 10, 2023 9:19 pm
by BGuttman
Actually, the wrap looks like the Benge 165 or Conn 52H. The Benge 190 had a single loop wrap.
Re: Bach Omega 0.547” with F attachment
Posted: Sat Jun 10, 2023 9:32 pm
by Trhtrbn
BGuttman wrote: ↑Sat Jun 10, 2023 9:19 pm
Actually, the wrap looks like the Benge 165 or Conn 52H. The Benge 190 had a single loop wrap.
Then why is Bach Omega engraved on the bell? And why is it 0.547 not 0.525 like most intermediate Bachs?
Re: Bach Omega 0.547” with F attachment
Posted: Sat Jun 10, 2023 10:49 pm
by Posaunus
Trhtrbn wrote: ↑Sat Jun 10, 2023 9:32 pm
BGuttman wrote: ↑Sat Jun 10, 2023 9:19 pm
Actually, the wrap looks like the Benge 165 or Conn 52H. The Benge 190 had a single loop wrap.
Then why is Bach Omega engraved on the bell? And why is it 0.547 not 0.525 like most intermediate Bachs?
Ask the marketing geniuses at Conn-Selmer.
You have a decent 0.547" bore F-attachment trombone, made in the good old U.S.A. it really doesn't matter what they engraved on the bell.
Tune it properly (especially the F-attachment slide), use a proper mouthpiece (probably a little smaller than a Yamaha 52), take good care of it, join an ensemble or two, and enjoy being a trombonist and making music.
Re: Bach Omega 0.547” with F attachment
Posted: Sun Jun 11, 2023 12:29 am
by greenbean
It was based on the Benge 165 which was a .547 horn. Good horn.
Re: Bach Omega 0.547” with F attachment
Posted: Sun Jun 11, 2023 5:53 am
by Trhtrbn
Thank you , I will enjoy it

Re: Bach Omega 0.547” with F attachment
Posted: Sun Jun 11, 2023 6:26 am
by Trhtrbn
Posaunus wrote: ↑Sat Jun 10, 2023 10:49 pm
Trhtrbn wrote: ↑Sat Jun 10, 2023 9:32 pm
Then why is Bach Omega engraved on the bell? And why is it 0.547 not 0.525 like most intermediate Bachs?
Ask the marketing geniuses at Conn-Selmer.
You have a decent 0.547" bore F-attachment trombone, made in the good old U.S.A. it really doesn't matter what they engraved on the bell.
Tune it properly (especially the F-attachment slide), use a proper mouthpiece (probably a little smaller than a Yamaha 52), take good care of it, join an ensemble or two, and enjoy being a trombonist and making music.
Sorry about the tuning slide. I was trying to play the BB natural with the fV. I take intonation very seriously. When I was a tuba player the directors often used me to tune the band.
