Bass Player Readers' Choice Award for Best Preamp: Audere JZ3              Bass Player Editors' Award
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Zmode switch in 3ZB

Bare circuit board with solder paste applied

JZ Documentation

The JZ preamps have been replaced by the Pro JZ preamps

Cavity Dimensions required:
1.1" wide, 1.2" deep and 4.8" long

JZ Installation Instructions