Component-level clone of late 80s-early 90s HazLabs preamp circuit for authentic vintage sound
Concentric EQ potentiometer enables precise tone shaping and classic EQ curves
Subtle tubelike compression and high-frequency harmonic overtones for distinctive growl and articulation
Compact PCB design fits into tight control cavities for versatile installation
Prewired concentric center detent potentiometer for easy, plug-and-play setup
Summarized by Shop
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 n
Dimensions
25.4 mm x 41 mm (1 x 1 5/8 in)
Power
9V battery (included)
Connectors
Dupont compatible pin headers, flying leads, TRS001 output jack
Compatibility
EMG modular controls, quick disconnects
Installation
Single mounting hole, 3M foam tape included
Summarized by Shop
5.0
2 ratings
5
4
3
2
1
Everything is described and everything you need for a good sounding bass
S
Samuel · December 5, 2025
Fantastic preamp that has been a perfect drop in replacement for the old one