Boulder 812: Versatile preamp, DAC and headphone amp

Boulder 812
Boulder 812

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The American company Boulder has officially announced the start of sales of a new model with the index 812 , which is a combination of pre-amplifier, headphone amplifier and DAC.

The device can be used as part of a complete system, or as a separate component. The D/A converter circuitry is inherited from the Boulder 866 , and the preamplifier section has a fully symmetrical configuration. The headphone amplifier is equipped with four connectors for connecting headphones – 6.35 mm , 3.5 mm , four-pin XLR and Pentacon .

Boulder 812
Boulder 812

Sensitivity adjustment for matching with headphones is done through the Boulder Controller proprietary application , the amplifier power is 200 mV at 8 ohms and 80 mV at 600 ohms. The weight of the device is 6.35 kilograms .

Boulder 812
Boulder 812

Visit official Boulder website for more info.

Specifications:

  • CONNECTIONS (FRONT)

    •4-Pin XLR Headphone Connector
    •1/8” Headphone Connector
    •1/4” Headphone Connector
    •Pentacon Headphone Connector

  • CONNECTIONS (BACK)

    •2 Pair XLR Analog Inputs
    •1 Pair XLR Preamplifier Output
    •4x USB Host
    •Ethernet
    •USB-B
    •2 Optical Digital Inputs
    •Coaxial (RCA, SPDIF) Digital Input

  • SOFTWARE FEATURES

    •Based on 866 DSP Filter and DAC topology
    •Configurable Headphone Sensitivity
    •Available Fixed DAC out
    •HTML Programming
    •Control through Boulder Controller App
    •Input Trim

  • HARDWARE FEATURES

    •Switch Between Headphone and Preamp Outputs
    •Volume Knob & Chassis Machined In House
    •100 db Optically Encoded Volume Control
    •Innovative Protection Circuits

  • DIMENSIONS

    12”x12”x 3.5”

  • WEIGHT

    14 lbs

What do you think?

4.6 / 5. 39