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Hi,
I have a Steinberger XQ-25A 5-string bass with what appears to be active SD Basslines Soapbars and a version of the STC active eq. The electronics in the bass appear to match the STC wiring schematic (plus a Mid cut/boost as well as the stacked bass/treble cut/boost pot).
The circuit board is identified as 412095 REV 3. The battery ve is wired to both the board and the pickup red wires. The bass has master volume with pull out contour switch, pickup blend, stacked treble/bass and separate mid.
My question is - can I safely upgrade this bass to 18V operation?
Thanks,
Stu
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