STP-SE Upgrades

For many years, the STP-SE has been our best selling preamp. Despite the extrodinary design of the stock unit, we have found yet another reason to fall in love again. We've always wondered how we would top this preamp and the answer is finally here with the Stage 1 and 2 upgrades. Introducing the factory direct upgrade path for the best preamp on the market! If you thought the STP was transparent and open sounding before, wait until you experience what the Stage 2 has to offer.  As the basis for the 'must haves', the Stage 1 upgrades will offer the most critical changes to be appreciated in any system. Like any audio product, it all begins with the power supply. To further improve the preamps triple ripple reduction circuit, Schottkey diodes, and we add premium decoupling inductors for an increased signal to noise ratio in addition to enhancing channel seperation.  So now we have the foundation for a great start to the power supply, but we can't stop there! Now we have a preamp with th