LHZ Preamps

Vintage Bass Preamps

January 2025

LHZ-04 HazLabs Preamp Clone

BUY NOW IN THE LHZ SHOP: LHZ-04 Preamp (Standard Pots)BUY NOW IN THE LHZ SHOP: LHZ-04 Preamp (Concentric Pots) The LHZ-04 Bass Guitar Preamp is a faithful re-creation of the circuit used in late 80’s and early 90’s HazLabs bass preamps to create that classic and elusive Spector® tone. If you have a 20-year-old Spector® NS2A, Euro, or ReBop and are ready to upgrade the stock EMG pickups and TonePump preamp to get that signature NS2 sound, all you need…

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New for 2025: The LHZ-04 Preamp

The LHZ-04 preamp is a physical re-design of our current LHZ-03 model. It is the same circuit, same components, and same sound. Improvements for 2025 were driven by a significant number of clients using the LHZ in non-Spector basses with very confined control cavities. With smaller board dimensions and extremely low vertical clearance requirements, the LHZ-04 is THE choice for challenging installations.

This video walks you though the differences between the LHZ versions.

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LBCA-02 Active Blend Control

BUY NOW IN THE LHZ SHOP: LBCA-02 Active Blend Control The LBCA-02 is an Active Balance Control designed to be used with Active pickups (25K version) or Passive pickups (100k version) and features modular DuPont-compatible cable connectors for easy installation. The LBCA-02 works well with both the classic and X-series pickups from EMG™ as well as active or passive pickups from most other manufacturers. The benefit of using an Active Balance Control over a traditional passive balance potentiometer is the…

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