SYMPTOMS: You are experiencing unusual noise when a wireless transmitter is used. The noise can be anything from static, hiss, high-frequency whine, pops, clicks, dropouts, or audio fading in and out.
CAUSE: Wireless transmitters that use a 3-conductor TRS plug can cause noise issues.
The majority of these notes were written by Jim Eppard who is responsible for setting up USA Spector® basses in the NY workshop.
Jim’s notes were modified slightly to accommodate my own setup preferences and formatted to make it easier to read. I asked Jim if was OK to share this revised copy, and he said: “Share away! Spread the knowledge around!”
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…
Looking to swap out your barrel jack for a new unit? Here’s the part numbers you want!
Or, save yourself the soldering and order a prewired Switchcraft from the LHZ Shop.
The VOL-01 Volume Control and LBCA-02 Active Blend that we sell in the LHZ store are designed to be compatible with both EMG pickups and other manufacturers.
If you wish to EMG blend controls, it can get a little confusing because their website text and model naming imply the ABCX is only for the X series…
We’ve recently acquired a 2006 Spector ReBop 5 DLX in original condition, complete with EMG HZ pickups and TonePump, so thought we’d document the wiring and create a diagram to help others who are diagnosing issues or replacing preamps.
We are pleased to announce that we have contracted a manufacturer to produce custom potentiometers for our Bass and Treble controls to be paired with our LHZ Preamps. The new potentiometers match Spector OEM physical specs and will be available by the end of September.
