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| UBass http://mowrystrings.luthiersforum.com/forum/viewtopic.php?f=10128&t=47486 |
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| Author: | UKSteve [ Sun Mar 20, 2016 1:59 pm ] |
| Post subject: | UBass |
My first time in this section of the forum, I usually make acoustic guitars, so hello everyone here.  I came across a uBass with fat strings in a shop in London yesterday. The shop chap played it a bit for us and I was immediately in love. Has anyone here built a uBass and can give any advice - plans, parts, tips and hints? Hopefully it will be my next build. Thanks in anticipation Steve. |
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| Author: | UKSteve [ Tue Mar 22, 2016 1:50 am ] |
| Post subject: | Re: UBass |
*tumbleweed* Not a popular instrument then... 
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| Author: | profchris [ Tue Mar 22, 2016 4:59 am ] |
| Post subject: | Re: UBass |
Becoming surprisingly popular among ukulele players. I've tried them, and they're pretty useless unplugged. So the important parts are really the strings and the pickup. If I were going to make one I wouldn't bother trying to make it work as an acoustic. Bolt everything to a plank, shaped to taste, and go from there. |
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| Author: | Hesh [ Tue Mar 22, 2016 5:08 am ] |
| Post subject: | Re: UBass |
Before we took over our shop a music store had been in the building for three decades and they sold the ubass. After they folded, the music store, we had a plethora of ubasses come back to us even though we are a separate business and never sold them with the owners complaining of balance issues. Some strings had strong volume, some didn't have virtually any volume. This was a problem that we saw often back about three years ago and at the end of the day the electronics on the things were so lousy that there was very little to be done to get an acceptable balance out of them. With this said if you want to build something similar perhaps it's time to completely rethink the electronics since what came on the ubasses did not serve the clients well. |
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| Author: | UKSteve [ Tue Mar 22, 2016 7:16 am ] |
| Post subject: | Re: UBass |
Thanks Chris and Hesh. Food for thought there... I thought the one demonstrated to me was loud enough for home playing acoustically but it sounded emmense plugged in to a small amp - just like a double bass. I guess the pickups are simple under saddle piezoelectric, are these the ones you refer to as unbalanced, Hesh? Maybe a mic pickup could work if you can defeat the feedback? Cheers Steve. |
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| Author: | Hesh [ Tue Mar 22, 2016 10:31 am ] |
| Post subject: | Re: UBass |
UKSteve wrote: Thanks Chris and Hesh. Food for thought there... I thought the one demonstrated to me was loud enough for home playing acoustically but it sounded emmense plugged in to a small amp - just like a double bass. I guess the pickups are simple under saddle piezoelectric, are these the ones you refer to as unbalanced, Hesh? Maybe a mic pickup could work if you can defeat the feedback? Cheers Steve. Yeah we think that the trouble with the UST in this application is the uneven application of downward pressure on the saddle stemming from the plastic strings and the maker not understanding break angles and pup response. It's likely that the way forward would be different bridge design countering these factors. |
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| Author: | UKSteve [ Tue Mar 22, 2016 11:09 am ] |
| Post subject: | Re: UBass |
OK, great. Thanks Hesh, that gives me a bit of scope for experimentation. |
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| Author: | unkabob [ Fri Mar 25, 2016 8:52 pm ] |
| Post subject: | Re: UBass |
Everything above seems correct. I am just completing one at present so can't be certain but use a pre-amp electronics for enough signal. Friends say the sound is more like a full bass than a fender bass. In Honolulu I heard that German metal strings were used on some but sounds like a Fender bass. Tuning machines are a PITA to get, I picked up some used Kala tuners from a store that had replaced the originals with Rimshots or Hipshots .The strings are too fat for the normal bass tuners that installed. I may be strung up in a week or two. My electronics are Fortone bass-guitar from ebay. My soundboard is cedar. Bob 
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| Author: | UKSteve [ Sat Mar 26, 2016 12:34 pm ] |
| Post subject: | Re: UBass |
Thanks for the reply, Bob, good to know I'm not the only fool making one. I've been casually keeping an eye out for tuning machines, but no luck in the UK so far. I'm sure I saw someone somewhere has drilled out standard bass machines to accommodate the fat strings. Let us know how you like it when it's complete please. All the best Steve. |
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| Author: | unkabob [ Sat Mar 26, 2016 2:36 pm ] |
| Post subject: | Re: UBass |
Tuners are sometimes available on ebay and look at largesound.com. Both seem to be the same guy but the price was better at largesound if you can get signed in. Learning to play bass will be a project by itself. I am starting to learn how to build the amplifier for this unit. My intention is to build a battery powered amp into the case so that I can go to a jam without the cables and switches. My present amps give fifteen watts max but a bluegrass jam doesn't need a powerful bass. There is an acoustic bass plan free on the internet and somebody on the guitar board, from Calgary, has built one. I can't find the name of the designer but I will keep looking. Good luck Bob
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| Author: | SKBarbour [ Sat Mar 26, 2016 5:18 pm ] |
| Post subject: | Re: UBass |
I made one a couple of years ago. The shape based on the baritone ukulele plans from Scott Antes. Tuners were bought from Raod Toad music. They were a bit pricey. I used the K&K acoustic bass pick up. Those who have played it have enjoyed the sound. It is currently strung up with a set of silk core silver wound strings which change the sound a lot. I can give more details and pics later if there is interest. |
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| Author: | unkabob [ Sat Mar 26, 2016 7:56 pm ] |
| Post subject: | Re: UBass |
Kyle: I think that Road Toad was bought by Kala or at least his designs for the U-bass. Steve: There is an acoustic design free on the internet by Mottola. His website has directions to the printout. I would suggest adding electronics. The fat strings have a reputation for poor intonation. A friend of mine used fan-frets on his second build and seems happy now. He used scales of 21" and 21 1/4" with the straight fret at the seventh. Another friend had the frets removed on a Short Bass One because of intonation problems. Bob
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| Author: | Aaron O [ Sun Mar 27, 2016 1:01 pm ] |
| Post subject: | Re: UBass |
Hipshot makes the tuning machines, which you can get from Owen Holt at Road Toad. There are some cheap knockoffs that I've seen on Kala's. Owen also has Pahoehoe Strings. |
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| Author: | UKSteve [ Sun Mar 27, 2016 2:57 pm ] |
| Post subject: | Re: UBass |
Great, thanks for the information chaps. I'll get in touch with road toad and see what they can do. Thanks for the direction to plans also, much appreciated. Cheers Steve. |
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