passive preamplifier

  • LDRxB Balanced Passive Preamp - left rear corner

    LDRxB Balanced Passive Preamp

    $2,695.00
    The original LDRxB model is no longer being offered and has been replaced by the updated LDRxB.V25.

    The LDRxB is an audiophile grade balanced passive preamp that combine advanced LDR (light dependent resistor) technology with elegant contemporary styling designed to satisfy the most demanding audio enthusiast. The LDRxB comes with 3 balanced XLR inputs and dual (parallel) balanced/XLR outputs. The LDRxB also accommodates a single RCA input and provides a single RCA output.

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  • LDR3 Passive Preamp - Front, side and rear views

    LDR3 Passive Preamp

    $1,195.00

    The original LDR3 has been discontinued and is no longer available for sale. The LDR3 has been replaced by the LDR3.V2. 

    The LDR3 Passive Preamplifier is a passive (unity gain)  3 input, 2 output  preamp/volume controller that is fully controllable via both a front panel control knob and hand held remote (included).

    The LDR3 is part of our LDRx family of passive preamps that employ digitally controlled  audio grade light dependent resistors (LDR’s) for volume control and also for switching line stage inputs.

    We believe (and our customers agree with us) that our LDRx technology  renders a truer, cleaner, and more transparent sound than any other volume control technology. The result is astonishing sound at a price that doesn’t force you to choose between an excellent preamp or a new car.

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