The LHZ preamp does exactly what the original 80’s HazLabs did: the EQ was specifically tuned for US Spector® basses. The circuit design is unique in that the initial stage greatly boosts the treble before the EQ stage, and then that boost is removed. This causes the preamp to generate high frequency harmonic content that acts somewhat like an exciter to bring out more detail, particularly when the EQ is boosted. The end result depends on your playing dynamics. If…
View and Download the LHZ-02 Installation Manual right here! This is a living document that is constantly being updated as we create new installation diagrams for clients that have unique wiring challenges. Don’t see the diagram you need? Let us know! UPDATE 2/10/2024: We’ve updated the installation manual to reorganize the drawings. A significant change in this version is the removal of the “Legacy” diagrams. All clients are using their existing volume (or blend & volume) pots and wiring the…
View and download a PDF copy of the Installation Manual for the LHZ-02 HazLabs Clone preamp. The LHZ-02 features solderless DuPoint style pin headers that compatible with EMG connectors. This manual is specific for users with the GREEN preamp marked as Rev 1.6. UPDATE NOTES The output jack wiring was revised to address a potential battery drain issue noted on certain configurations in control cavities using copper foil lining. In rare cases, the foil lining would conduct the battery ground…
View and download a PDF copy of the Installation Manual for the LHZ-02 HazLabs Clone preamp. The LHZ-02 features solderless DuPoint style pin headers that compatible with EMG connectors. This manual is specific for users with the BLUE preamp marked as Rev 1.7g.
We had the opportunity to compare the circuitry, components, EQ response, and audio artifacts between our LHZ-01 and LHZ-02 preamps and a vintage HazLabs preamp (serial number 2029). We also had a KHaz clone and ran the same comparisons as well.
