passive preamps

Customer Brings Tortuga Preamp To Axpona

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While chatting recently with a customer (which I love doing BTW) he mentioned that he would be attending Axpona in Chicago and asked if Tortuga Audio would also be at the show. I told him that, unfortunately, circumstances prevented Tortuga Audio from being at Axpona this year. He suggested that in that case he might take his single input Tortuga LDR1.V2B balanced passive preamp along with him to Axpona. […]

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Plug-in LDR Module

The Evolution of LDR Volume Control

Leave a Comment / Light Dependent Resistors, Passive Preamps, Tortuga Audio Products / By

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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Tortuga Audio's high impedance LDR preamp curves

New HiZ Control Software Yields Major Improvement To LDR Passive Preamps

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Better LDR Passive Preamp Sound Tortuga Audio has developed an improved software based LDR control algorithm that greatly improves on our already highly regarded LDRx Passive Preamps. Key aspects of this new “HiZ” (high impedance) control algorithm include: Substantially increased input impedance with a nominal 10k ohm impedance floor Improved sound including better dynamics, musicality and sound stage Compatibility with a much broader range of audio sources and amplifiers

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