LDR3x DIY preamp controller board

Tortuga Audio Releases LDR3x Preamp Controller Board for DIY Community (Aug 8th update)

As a follow-up to our original post below, we wanted to share some unsolicited feedback from a recent LDR3x customer. Note that the LDR3x board is our second generation LDR preamp board design that builds on the success of the original LDR1/LDR6 passive preamps. A pair of LDR3x boards will be the twin beating hearts of our  upcoming LDR3B Balanced Passive Preamp product. “Today I received the LDR3x board and …

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ldr6 passive preamp front view

6moons Reviews Tortuga Audio’s LDR6 Passive Preamp

I’m pleased to announce that 6moons.com has published a very favorable review of our LDR6 passive preamp. It’s quite an extensive review including background on its development and an in depth description on what goes into the building of each of our LDR preamps. My favorite statement by the reviewer: The Tortuga Audio preamp equaled or surpassed all basic performance parameters against any contenders I had in house, passive, …

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mono LDR passive preamps

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 rig. Dual Mono Preamps? Yes, mono preamps. As in a two single channel LDR …

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LDR3x preamp controller circuit board

Tortuga Audio Plans LDR3X Preamplifier Controller for DIY Community

As we work to expand our line of next generation  preamp products  built around light dependent resistors (LDRs), we also plan to soon introduce an LDR based preamp controller board, and related products, for the Do It Yourself (DIY) audio community. As we’ve previously announced, Tortuga Audio is actively developing a balanced version of its preamp line – the LDR3B Passive Preamplifier. This development work has led us to …

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Tortuga Audio Passive Preamp recommended by HiFiPig.com

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 feel offers exceptional performance at (or despite of) its price point”. The folks at …

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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 and grain-free component I have ever heard.  Because of this, it sounds even better …

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Dead Audiophile Industry Walking? – The Fix

Without new blood and reinvention, the audiophile industry will die out in the next 5-10 years. And most existing industry players either don’t get this or are dancing the night away on the Titanic waiting for the inevitable iceberg. That’s the overarching theme of Jerry Del Colliano’s provocative article in hometheaterreview.com in the wake of the 2012 Rocky Mountain Audio Fest (RMAF). Jerry pulls no punches on what it will …

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light dependent resistor gif

Saying Yes To Light Dependent Resistors

Why Light Dependent Resistors? Why did we design our Passive Preamps with light dependent resistors (LDRs)? Because they sound better than all other options. Better than any potentiometer (“pot”), better than any stepped attenuator, and better even than transformer based volume controls. LDRs have excellent sonic quality and make it possible to have no mechanical components (relays, switches, potentiometers) in the signal path.  They are the ultimate transparent volume …

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The Case for Passive Preamplifiers

The Perfect Preamplifier If you read enough articles on high-end audio you eventually encounter the definition of a perfect preamp: no preamp at all. Just a short wire between the line source and the amplifier. Purity of audio signal maintained unsullied by intervening gear. All fine and good provided you live alone, have few neighbors nearby,  and don’t give a fig about going deaf. Let’s move on. An Active …

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