* 3 Ultima voltage regulators installed.
* Ultima clock with dedicated power supply.
* Burson discrete opamps and critical capacitors/diodes changed.
* Ultima clock with dedicated power supply.
* Burson discrete opamps and critical capacitors/diodes changed.
Nice work. How do these upgrades make the Pioneer PD-D9 Elite sound now? Was there a vast improvement over the stock PD-D9?
Advise when you can. JD