Lynx LM-PRE4 Preamp Module

Preamp Module for the Aurora(n)

Description

Lynx LM-PRE4 Preamp Module

For the first time ever, we have designed and built a microphone preamp to complement the capabilities of the Aurora(n). The Lynx LM-PRE4 not only adds the flexibility of four channels of mic/line/Hi-Z inputs but also adds an additional four channels of A/D conversion.  The LM-PRE4 is sonically matched for the Aurora(n) with all the transparency, detail, and flexibility you’ve come to expect from Lynx.  The convenience and utility of this new high-performance preamp not only complement the interface but when combined with the Aurora(n)’s built-in microSD recorder the LM-PRE4 transforms the Aurora(n) into a stand-alone mobile recording device. With a total of 16 ins (8 preamp ins plus 8 line ins) and 8 line outs, the Aurora(n) PRE-1608 comes with two LM-PRE4s in either Thunderbolt or USB. The LM-PRE4 and the Aurora(n) PRE-1608 are available now.

Key features

  • Four-channel microphone/line/HI-Z input module for Aurora(n)
  • On-board Aurora(n) A/D conversion directly coupled to preamp out for four additional input channels
  • Transformerless, transparent design
  • Up to 68.6dB gain in 1dB increments
  • Fully-differential, current-feedback preamplifier architecture
  • Low noise (-129dBu EIN) microphone input
  • Noise and distortion optimized at all gain settings
  • Independent 48V phantom power, phase, high-pass filter, and pad for each channel
  • A dedicated line-level signal path provides performance identical to other (AIO8E) input channels
  • Gold contact relays for distortion-free signal routing
  • Seamless integration with the Aurora(n) mixing and routing engine

Line Input

  • THD+N (1kHz, -1dBFS, 20kHz filter)
    • -113dB (0.00022%)
  • Dynamic Range (A-weighted, -60dBFS method)
    • 119dB
  • Frequency Response (Deviation over 20-20kHz band, -1dBFS)
    • ±0.010dB max.
  • Crosstalk (Adjacent channel, -1dBFS, 1kHz)
    • -138dB max.
  • Common Mode Rejection (-1dBFS, 60Hz and 1kHz)
    • 75dB min
  • Full-scale Input Level for A/D
    • 20dBu
  • Input impedance
    • 200k Ohm balanced, 100k Ohm unbalanced
  • Gain Settings
    • Fixed
  • Connector
    • Female XLR on Neutrik jack

Microphone Input

  • THD+N (1kHz, -1dBFS, 20kHz filter)
    • -111dB (0.00028%) @ 21.6dB gain
  • EIN (A-weighted)
    • -129dBu @ 61.6dB gain
  • Dynamic Range (A-weighted, -60dBFS method)
    • 116dB @ 21.6dB gain
  • Frequency Response (Deviation over 20-20kHz band, -1dBFS)
    • +0.01 / -0.08dB max. @ all gain settings
  • Crosstalk (Adjacent channel, -1dBFS, 1kHz)
    • -127dB max. @ 41.6dB gain
  • Common Mode Rejection (-1dBFS, 60Hz and 1kHz)
    • 75dB min. @61.6dB gain
  • Full-scale Input Level for A/D
    • 28.7dBu @5.6dB gain with pad
  • Input impedance
    • 2.1k Ohm
  • Gain Settings
    • 5.6dB/13.6dB to 68.6dB in 1dB steps
  • Pad attenuation
    • 13.6dB
  • High-pass Filter
    • 80Hz, 12 dB / octave
  • Connector
    • Female XLR on Neutrik jack

Hi-Z Input

  • THD+N (1kHz, -1dBFS, 20kHz filter)
    • -109dB (0.00035%) @ 21.6dB gain
  • EIN (A-weighted)
    • -115dBu @ 21.6dB gain
  • Dynamic Range (A-weighted, -60dBFS method)
    • 114dB @ 21.6dB gain
  • Frequency Response (Deviation over 20-20kHz band, -1dBFS)
    • +0.01 / -0.05dB max. @ all gain settings
  • Crosstalk (Adjacent channel, -1dBFS, 1kHz)
    • -132dB @ 21.6dB gain
  • Full-scale Input Level for A/D
    • 14.9dBu @5.6dB gain
  • Input impedance
    • 1M Ohm unbal. (TS), 2M Ohm bal. (TRS)
  • Gain Settings
    • 5.6dB/13.6dB to 68.6dB in 1dB steps
  • Connector
    • TRS on Neutrik jack

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