Preamp controller & display
Passive & active preamps
Solid state & tube buffers
Electronic stepped attenuators

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Since 2012

ePot.V3 Max side view
ePot.V3 Max Electronic Stepped Attenuators & Preamp Controller

Remote controlled preamp controller
100 step LDR or discrete attenuation
Menu driven OLED display
Input switcher | 6 stereo channels
Single-ended or balanced audio

Pursuing a better preamp

Second only to speakers, preamplifiers & buffers have arguably the greatest impact on the overall sound quality of your high performance audio system. The #1 job of every preamp is volume control. Truth is volume control is not benign. You are literally reducing the energy content of the audio signal and dumping that energy to ground. Like any valve letting down pressure, how you do this can have a significant impact on the sound quality of the resulting audio signal. At Tortuga Audio we have been working on alternative technology to control volume for 10+ years and are proud to offer unique attenuation and related audio products that are truly a joy to listen to. I invite you to give our products a try and discover the difference that our customers have been enjoying for many years.

Morten Sissener | Founder – Engineer

New! | The LDR3000x.V3 series preamps

Beautiful hand-made bamboo & metal enclosure with our most advanced LDR (light dependent resistor) electronic stepped attenuator and preamp controller system. The culmination of 10+ years of preamp evolution.

9 LDR3000x.V3 configuration options

Passive or active type

Active solid state | Active tube

Single-ended (RCA) only | Balanced (XLR) only | Mixed RCA & XLR

Whether you opt for a passive, active solid state or active tube preamp, the LDR3000x offers a unified platform with 9 variations to fit any signal type preference. If you decide to make a change later on, we can readily accommodate the change while retaining most of the existing preamp.

Recent articles

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…

Continue Reading ePot.V4 LDR Preamp Controller & Stepped Attenuator With Optional Plug-in Solid State Buffer & Linear Power Supply

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