Upright Question (triumph of course)

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Hey when I turn up the acoustic pick up I get a strange punch sound. And if you tap the pickup it blasts the sound. Like you were virtually hitting or punching the pickup. It worries me. Also, when playing through an amp, I can get barely any volume even with the electric pickup on.

Any thoughts? Suggestions? Flaming?

Edit: Title should be "pick up question" now that I think about it.
 
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Piezos react to vibrations; hitting/tapping a piezo will make one hell of a noise! Think of it as a microphone: don't tap it :D
 
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Correct me if i'm wrong but i though peizzos had this super high impedance and needed a pre-amp to get any usable output from them.....that or a huge boost on the input of an amp.

If your amp has a gain section for input you might need to boost that, a lot.

But i may be wrong, this is what i was lead to believe but i'm not too sure of it...
 
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Yeah actually I have a tube pre amp and it seems to be much better. Louder that is. Also I'm playing through a Warwick Sweet 15 if that makes a difference.

Thanks for all the advice guys, 'preciate it!
 

golem

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Callum said:
Correct me if i'm wrong but i though peizzos had this
super high impedance and needed a pre-amp to get
any usable output from them.....

...
`

That would be true of a typical add-on piezo such you
stick onto an URB. Most factory piezo instalations have
all the necessay electronics onboard, both for buffering
the impedance and for gain and EQ control. I wouldn't
expect Warwick to cut corners on that.

All my piezos make a dull but loud thump if tapped with
a fingertip, much louder than the volume of the music,
but not earsplitting or speaker blowing level. If the noise
you get does not follow that description, especially since
you mention a low output, I'd suspect something is loose.

If something is loose, it's not necessarily a wire or plug.
Piezos are notoriously fussy about physical stuff like how
the bridge bone sits on the transducer, tiny debris under
the transducer, how the string sits on the saddle, etc.

I don't have a Triumph, but I've got mucho piezos, both
wooden bridge [single sadddle] and metal [multi-saddle].

`
 
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