LDR.V25

The LDR V25 preamp controller (the “V25”) is a software driven audio volume controller and source input switcher for high performance passive and active audio preamps. The V25 is Tortuga Audio’s 4th generation attenuator using light dependent resistors (LDRs) for a level of sound quality that once you experience it you won’t want to go back to conventional potentiometers, stepped attenuators or even transformer based volume controls. The V25 preamp controller board enables the audio hobbyist, professional designer or OEM to build an exceptional passive audio preamp that rivals the performance of some of the best high end preamp equipment available today regardless of price. When mated with a downstream preamp gain stage and/or buffer, the V25 becomes the heart of a very high performance active preamp. The graphic OLED Display Module (sold separately) integrates with the V25 to provides an easy and intuitive user control experience through an interactive menu driven control interface designed around  the 7-button Apple remote.