AbacusLDR3usedAbacus LDR3 Passive LDR PreamplifierPassive preamplifier based on Tortuga Audio LDR3x board with HiZ* option. It uses pairs of microchip controlled Silonex LDR's to achieve the best in signal attenuation with perfect balance. Prea...490.00

Abacus LDR3 Passive LDR Preamplifier

Listing ID: lis5g96c Classified 
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Condition
9/10
Payment methods
Ships fromCharlotte, NC, 28277
Ships toUnited States and Canada
Package dimensions12.0" × 8.0" × 8.0" (8.0 lbs.)
Shipping carrierUSPS
Shipping cost$14.00
Original accessoriesRemote Control
AverageResearch Pricing

Passive preamplifier based on Tortuga Audio LDR3x board with HiZ* option. It uses pairs of microchip controlled Silonex LDR's to achieve the best in signal attenuation with perfect balance.

Preamplifier has 3 inputs and one pair of outputs. All functions can be controlled via front panel rotary encoder or remote control: on/off, volume, input selection, mute, balance.
Preamplifier also has 12V trigger output.

For more information on LDR3x board please visit Tortuga Audio website.

Listing also includes 12V power supply.

Shipping in CONUS $14.00 PayPal add 3%

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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 50k ohm impedance floor
Improved sound including better dynamics, musicality and sound stage
Compatibility with a much broader range of audio sources and amplifiers including many low impedance amps
Retains the same colorless clarity, transparency and unveiled high resolution that our LDR Passive Preamps are already known for
Entirely software/data driven design improvement
Includes control compatibility with the Apple Remote

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