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Using Control-X mixing magnetic and "normal" piezo Pickup? [Archive] - LR Baggs forum


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08-20-2012, 06:04 AM
Hi there
I have to electrify a resonator dobro for a customer. He wants a Gretsch-style Filtertron close to the fingerboard and a piezo on the cone or the bridge (It's likely gonna be a Fishman Nashville or Classic Pickup)
Is it possible to use the Ctrl-X for the purpose of mixing the two signals?
I know that the Ctrl-X is made for a piezobridge in a strat e.g. but i'm curious to hear, whether i could use it for this certain application.
It's a rather cheap instrument and the customer doesn't care for a battery compartment etc.

Thanks for your input
Greetings from Switzerland

Bryan McManus
08-20-2012, 03:14 PM
Hi Riffhai,

The CTRL-X is designed with a nominal amount of gain(+3dB) applied to the piezo signal by the transistor at its input. That minimal amount of gain means the piezo signal should be considered "high output."

Ceramic crystal-type piezo sensors usually provide the higher output signals which will be easier to balance with the signal from the magnetic pickup.

I do not have specs on the output from either of the piezo options you mentioned for the resonator.

Steve Works
01-16-2014, 06:16 AM
Did you manage to make it work? Any sound samples?
Steve Works
piezoelectric sensors (