ePot.V4 prototype board layout

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 […]

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ePot.V3 stepped attenuators

New Electronic Stepped Attenuators Released Sept 2020

(Update 9.15.20) Following a year and a half of development, we are pleased to announce the release of our new ePot.V3 Mini and Max electronic stepped attenuators & preamp controllers. Although long in coming, the ePot.V3 products are the best sounding electronic stepped attenuators and preamp controllers we’ve designed to date. We are really excited about these new beauties and are confident you’ll enjoy them as well. Below you’ll

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Florida Audio Expo 2019 | Tortuga Audio Room

Comments and Pictures From Florida Audio Expo 2019

Tortuga Audio had a great time and a fantastic sounding room at the inaugural Florida Audio Expo in Tampa, Florida in February 2019.  Here are some comments and pictures from that show. The show went off without a hitch, was well attended and the organizers can be quite proud of all the hard work that went into conceiving, planning and executing this new audio show. A show in sunny

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LDRPot.V1 Prototype PCBs

ePot.V3 Stepped Attenuator Under Development

Update: 3.27.2020 – This article has been amended to reflect the name ePot.V3  superseding the earlier name of LDR.V1 A High Performance Stepped Attenuator Tortuga Audio is developing the ePot.V3 as a direct successor model to the LDR.V25 Preamp Controller that includes a version (the ePot.V3 “Mini”) that is intended as a drop-in replacement for practically any stereo audio volume control potentiometer or stepped attenuator. The ePot uses high

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ldr3.V25 passive preamp - black anodized front - side view

Tortuga Audio Releases LDR300.V25 Buffered Preamp

Tortuga Audio plans to release its new LDR300.V25 Buffered Preamp on August 28. The LDR300 is a remote controlled, singled-ended, active preamplifier that combines Tortuga Audio’s popular LDR (photoresistor) attenuation technology together with a powerful JFET output buffer to deliver robust sonics that will satisfy the most discerning audio enthusiast.

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