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Double Bass Ibanez UB804 EUB.

Been studying and practicing DB plucking technique - Two gigs under my belt Friday and last night. What an absolute blast to play.

Pics from last night:

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I think it’s in the bolt connection with the bass. It moves from side to side, even when the joint appears to be tight.

Maybe the post connected to the bolt interface is slipping/turning in the stand. I need to do more experimenting. (I’ve used it for a two-hour show and a three hour jam session/practice.)

I didn’t notice it when playing alone at home, but I must play it with more force when playing with others.
 
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How can the bass be moving is the stand is stable?

the bottom of the stand is stable but because of the long rod and because you don't hold the bass with your body it's moving. Especially annoying when doing vibrato. I think it's the nature of a tripod stand in general.

Other downside is the lack of sustain in the upper register, from the high b or c (on the g string) and on. The tone dies very quickly in that register so it doesn't sing there at all (with pizzicato). The sustain of the rest of the bass is really good though. I have tried to adjust the neck but that doesn't help. Maybe it has to do with curve of the neck? Do other UB804 users have the same problem?
 
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Other downside is the lack of sustain in the upper register
I have that as well. I read somewhere it is because of the witness angle as the string leaves the fingerboard towards the bridge; it is a somewhat short distance and therefore a sharp angle so it is in contact with more of your finger than on a longer scale or father down the neck. I'm not crazy about sounds up there anyway, but it could be important to Jazz soloists I imagine.
 
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I have that as well. I read somewhere it is because of the witness angle as the string leaves the fingerboard towards the bridge; it is a somewhat short distance and therefore a sharp angle so it is in contact with more of your finger than on a longer scale or father down the neck. I'm not crazy about sounds up there anyway, but it could be important to Jazz soloists I imagine.

Thanks. Good to know I am not the only one with this problem. I like to play up there (if it had a good sound).
 
I think it’s in the bolt connection with the bass. It moves from side to side, even when the joint appears to be tight.

Maybe the post connected to the bolt interface is slipping/turning in the stand. I need to do more experimenting. (I’ve used it for a two-hour show and a three hour jam session/practice.)

I didn’t notice it when playing alone at home, but I must play it with more force when playing with others.

Shouldn't move from side to side at all when snug.

Did you use the rubber washer that came with it?
 
Shouldn't move from side to side at all when snug.

Did you use the rubber washer that came with it?
Hmm, I didn’t find a rubber washer.

Unfortunately, I bought it used, so maybe it didn’t come with it or I didn’t see it in the packaging.

I’ll check the packaging, but I suppose I should be able to find something like it at the hardware store. How big and thick is it? (Rough estimate is fine.)
 
Hmm, I didn’t find a rubber washer.

Unfortunately, I bought it used, so maybe it didn’t come with it or I didn’t see it in the packaging.

I’ll check the packaging, but I suppose I should be able to find something like it at the hardware store. How big and thick is it? (Rough estimate is fine.)

It's the full diameter of the stand's metal mounting surface, about 1/8" thick give or take. It's vital to the operation of the bass. Check the gig bag , stand compartment & bow pocket closely.
 
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