Help! Piezo/magnet and pick up-only input "problem"

[Roberta Rizzo]

hi everyone...i have a question to do to you musicman petrucci owners.....when i connect the jack to the piezo/pickups input with the pick ups selected the sound is powerful but when i connect it to the pickups-only jack the sound is weaker....how is it possible? is it normal? is me that is stupid? do i have to bring my "baby" to the "doctor"? i'm really worried :/

i don't know if a question like that was already asked...but i didn't find on the forum anything similar...so i asked...

thank you very much to everyone that will answer

 

[Spudmurphy]

Hi Roberta - sorry I can't help you at the moment as I'm working away - otherwise I'd do a check on my JP6.

Try good ol' CS and see what they say? - oh yeah and let us know how you get on?

Spud

 

[koogie2k]

It's one of those things that you can't diagnose over the Internet. Like Spud said call Customer Service and see what they say.

 

[Roberta Rizzo]

two other friends of mine that have a jp have the same problem :/

 

[beej]

The output with the mags/piezos is buffered, so electrically there's a difference. But yes- give the customer service guys a shout and they can help you sort this out.

 

[Mordimer]

I have the same thing with my BFR - nothing to worry about. "It's not a bug, it's a feature" Like beej said, the buffer makes the difference. It is not so noticable when the guitar is plugged directly to an amp, is more noticeable when I use G-System.

If you feel very uncomfortable with that - call CS, they're really nice guys

 

[Icedlatte]

Hello, I don't own a JP model but I watched this video on connecting one with Piezo and the video mentions that there is a difference in output depending on how you connect it so I don't think there is a problem with your guitar.

 

[Jimmyb]

The output with the mags/piezos is buffered, so electrically there's a difference. But yes- give the customer service guys a shout and they can help you sort this out.

What she said!

The buffered output from the mag/piezo tends to be 'stronger' for want of a better word. The output from the mags only has a higher impedance (the signal is squeezed a bit more).

You can see the effects of impedance when using long cables, where very long runs start to affect the sound of the guitar (like Hendrix's famous curly leads).

 

[Roberta Rizzo]

really a big thank you to everyone guys, i feel better now i was worried