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Bryston 10B LR PRO Crossover


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The Bryston 10B LR PRO Electronic Crossover is designed to be an ideal signal-handler with enormously flexible control functions. With 24dB Linkwitz-Riley filters.

The 10B-LR facilitates the implementation of bi-amp'd and tri-amp'd systems with a precisely tailored response. It can also be used to implement Linkwitz-Riley filters and (when special ordered with custom crossover points) it may also be used as both an infra-sonic and ultra-sonic active filters.

XLR balanced or RCA single ended inputs and outputs
*Can only have XLR or RCA, both combined are not available.

The 10B crossover is available in three stock versions; 10B-SUB incorporating frequencies more suitable to sub-woofer applications (40Hz to 500hz), 10B-STD which is more applicable to speakers requiring frequency control in the mid-band and tweeter areas (70Hz to 4500Hz) and the 10B-LR, which uses plug in resistor programming cards to set the crossover frequency. Both the 10B-SUB and 10B-STD crossovers include a mode called Mono Low Pass (see below) which replaces the Two Way Mono (Linkwitz-Riley) mode in older model 10B's. The Two Way Mono mode (see below) is retained in the 10B-LR allowing for very steep (non Linkwitz-Riley) 8th order filters.


  • Stereo 2-way
  • Stereo 2-way summed low pass
  • Monaural 3-way
  • 1st, 2nd and 3rd order Butterworth filters in all modes
  • 12 selectable crossover points for each filter
  • One 11 step precision attenuator for each channel (in either low pass or high pass filter)
  • 19" rack mountable faceplate (1U)
  • Specifications

    XLR balanced or RCA single ended*

    XLR balanced or RCA single ended*

    Selectable Frequencies:
    70 Hz, 100 Hz, 140 Hz, 200 Hz, 300 Hz, 450 Hz, 700 Hz, 1 kHz, 2 kHz, 3 kHz, 4.5 kHz

    Power consumption:
    11 Watts (avg)

    < 0.0035%

    > -100 dB unweighted

    VOUT max :
    13 Vrms minimum un-balanced
    26 Vrms minimum balanced

    unity, except for high pass which can be adjusted ±5dB relative to unity
    Manufacturer Part Number : 10B-LR-Pro


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