Incorporating all of our upgrades into a new design has enabled us to product the finest sounding Quad 405 upgrade available.
Due to their complexity, it was becoming increasingly difficult & time-consuming to incorporate the upgrades onto the original pcb's so we developed an entirely new pcb to accommodate everything we wanted to include in a Quad 405 upgrade.
High quality PCB with 2oz copper traces
Low Impedence Power & Ground Planes
Low noise Metal Film 1% Low TCR Resistors
Low Distortion Audio Transistors
Panasonic PPS Bypass Capacitors
Elna Cerafine Decoupling Capacitors
National Semi LME4910NA Op Amps
On-Board Red Hill Audio Clarity HC Low Noise, Discrete Voltage Regulation
Custom L-Bracket Heatsink Mounting
Fully Tested and Assembled
1.5v input required for Maximum Output
Sold as a Pair
These Quad 405 Stage 3 Modules sound truly superb. Improvements are heard throughout the entire frequency spectrum.