LDR3x.V2

V2 Bootloader/Software Upgrade Notice

What Is This Notice About? Since initial release of the ldr3x.V2 board we’ve been actively evaluating how auto-calibration is set up on the V2 board with the help of feedback from our V2 customers and even input from prospective customers. As a result of this work, we are making some changes to auto-calibration. Also, we are making changes to the bootloader firmware to correct some problems during the 5 […]

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Plug-in LDR Module

The Evolution of LDR Volume Control

LDR Volume Control  There’s growing recognition within the community of audio enthusiasts (a.k.a. audiophiles) that LDRs (light dependent resistors) deliver the best sounding volume control technology available today. Over the past 5 years, Tortuga Audio has been leading the charge to evolve and perfect LDR based volume control. In Q2 2017 Tortuga Audio released its fourth generation LDR technology which is included in all of our current passive preamp

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improved switch mode power supply

Power Supply Upgrade Improves LDRx Sound

All newly built Tortuga Audio LDRx preamps that ship on or after March 1, 2014 will incorporate an upgraded internal power supply design resulting in improved audio quality. The improved sound quality manifests as a darker, quieter background between notes and a corresponding increased expression of detail. Since the LDRx sound is clear and detailed to begin with, this is quite  a remarkable evolution. The upgrade replaces internal linear

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LDR3x Version 2 circuit board design

LDR3x.V2 Preamp Controller Board Coming Soon

Version 1 Sold Out & Discontinued As of 3.2.14 we are sold out of the Version 1 LDR3x Preamp Controller Board. Version 1 has been discontinued and thus we are no longer accepting orders for the V1 board. Version 2 Availability & Pre-orders The original LDR3x is being replaced by the soon to be released LDR3x Version 2 (LDR3x.V2). We are targeting release of the LDR3x.V2  by April 1st the first

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