Passive Preamps

LDRx vs. LDR3.V2 – A Tale of Two LDR Preamps
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LDRx vs. LDR3.V2 – A Tale of Two LDR Preamps

  Although we never set out to deliberately cause confusion we have nonetheless succeeded. What confusion you ask? The confusion that arises when prospective customers diligently comb through our website trying to understand the differences between two of our LDR preamps; the LDRx ($1795) and the LDR3.V2 ($1195). The essential confusion can be summed up…

Top 5 Reasons To Choose LDR Passive Preamps
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Top 5 Reasons To Choose LDR Passive Preamps

1 – Better Conductor of Music Preamps are, first and foremost, devices for controlling volume. 99%+ of all preamps do this by throttling the audio signal through some type of mechanical device made with resistive materials. Devices like a potentiometer (worst) or stepped attenuator (better). The unfortunate reality is the materials in these devices, together…

Customer Brings Tortuga Preamp To Axpona
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Customer Brings Tortuga Preamp To Axpona

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…

ldr3.V25 passive preamp - black anodized front - side view
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What is a Preamplifier and Why Passive?

The Perfect Preamplifier – No Preamp At All If you read enough articles on high performance audio you eventually encounter the definition of a perfect preamp: no preamp at all. Just a short wire between the source and the amplifier. Purity of audio signal unsullied by intervening gear. The problem with no preamp (or a…

LDR1B.V2 balanced passive preamp
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LDR1B.V2 Balanced Passive Preamp Released

Single Input Balanced Passive Preamp March 15, 2015 – Tortuga Audio is pleased to release the LDR1B.V2 Balanced Passive Preamp. The LDR1B.V2 is the latest model in our LDR (light dependent resistor) based passive preamp product line and is our second model offering attenuation for balanced audio. Unlike its more expensive big brother, the LDRxB, the LDR1B.V2…

LDR3X Front Perspective (artwork - not a photo)
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Tortuga Audio to Release LDRx & LDRxB Passive Preamps

LDRx and LDRxB Passive Preamps The LDRx & LDRxB were released in the fall of 2014. More info on the LDRx can be found here. New LDRxB Balanced Passive Preamp After an epic gestation period, we are pleased to announce the imminent release of our first balanced LDR passive preamp – the LDRxB.  The LDRxB…

Plug-in LDR Module
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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…

LDR3 Passive Preamp - Front, side and rear views
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LDR3 Replaces LDR1 | LDR6 Price Reduction

LDR3: Based on input from current and prospective customers, we are retiring the LDR1 effective immediately and replacing it with the LDR3. The LDR3 is our “Goldilocks” passive preamp. Not too few inputs like the LDR1 and not too many like the LDR6. Just right with 3 inputs & 2 outputs. Pricing: We are  pleased…

mono LDR passive preamps
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Tortuga Audio Goes To Harvard With Dual Mono Preamps

The best part of being in the high value audio design and manufacturing business is working with customers who have more interesting ideas than you do. A recent example is when a full professor at Harvard University contacted us and asked if we could provide a pair of mono passive preamplifiers for his home audio…

Tortuga Audio Passive Preamp recommended by HiFiPig.com
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LDR6 Passive Preamp Review (and “Recommended” award) From HiFi Pig

Our First Product Review We are quite pleased to announce  that our friends at HiFiPig.com  have published their review of our LDR6 Passive Preamplifier. Even better, we’ve been awarded their “Recommended” status. The award is given only to those products that we have reviewed and believe fulfill the following criteria: “A Hi-fi component that we…

Customer Review of the LDR1 Passive Preamplifier
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Customer Review of the LDR1 Passive Preamplifier

Our First Customer Reivew One of our recent customers shared his initial impressions of our LDR1 Passive Preamplifier. Here’s an unedited reprint of that review. I’ve had my LDR1 for a week so it’s time to write my initial impressions.  Let me state up front that the LDR1 is the most pure, neutral, transparent, noise-free…

tortuga audio LDR6 passive preamp
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Tortuga Audio Launches Website & LDR6 Passive Preamp

CAPE CORAL, Florida (October 1, 2012) – Today, Tortuga Audio launched its website/store (www.tortugaaudio.com) highlighting its new LDR6 Passive Preamp. The LDR6 is the first of several high value audio products that Tortuga Audio plans on releasing over the next year geared towards discriminating music lovers interested in high performance 2-channel stereo audio. The LDR6…