PJ – Jota Quest
PJ (Paulo Roberto Diniz Jr.) is the bassist and co-founder of the multi-platinum Brazilian band Jota Quest, one of Latin America’s most successful pop-rock acts.
June 2026
TonePump EQ Explained
There is a lot of misinformation regarding the TonePump preamp shipped with some Spector basses. Let’s get to the science behind this divisive preamp!
The Frankenbass Experiment
How does Frankenbass made from a Squier body, Harley Benton neck, and EMG + LHZ electronics sound?
It’s got no business sounding this good. We’re talking permanent bass stank face!
Talkbass user piitxu shares his thoughts on his latest bass upgrade experiments.