ePot.V4 LDR Preamp Controller & Stepped Attenuator With Optional Plug-in Solid State Buffer & Linear Power Supply
Tortuga Audio began work on LDR (light dependent resistor) based volume control in 2009 and went commercial with its first LDR based preamplifier in 2012. Over the past decade we’ve evolved our core preamp controller/attenuator design through four iterations. We are now developing our fifth iteration which we refer to the V4. Prior iterations included the V1, V2, V25, and more recently the V3. This article discusses the upcoming …
