Focusrite MH445 Liquid Channel

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Focusrite MH445 Liquid Channel

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Specifications

Converter performance

  • Sample rate: 44.1, 48, 88.2, 96, 176.4 and 192kHz
  • Bit depth: 24-bit

ADC

  • SNR: 120dB measured with 20 Hz/22 kHz bandpass A-weighted filter
  • Frequency response: ±0.05 dB between 20Hz — 20kHz
  • Maximum input level: +22dBu
  • THD+N: 0.00035% (-109dB)

DAC

  • Dynamic range: 116dB measured with 20Hz/22kHz bandpass A-weighted filter
  • Frequency response: ±0.05dB between 20Hz — 20kHz
  • Maximum output level: +22dBu
  • THD+N: 0.0007% (-103 dB)

Jitter

  • Internal clock: <20 pico-seconds
  • AES digital output: <200 pico-seconds
  • External clock: <1 nano-second

Mic pre

  • Gain range: +6dB to +80dB, switched in 1dB steps
  • Frequency response: variable, set by preamp chosen
  • THD+N at analogue out: 0.001% measured with a +4dBu 1kHz input signal with 20Hz/22kHz bandpass filter
  • THD+N at AES digital out: 0.0005% measured with a +4dBu 1kHz input signal with 20Hz/22kHz bandpass filter
  • Mic noise: EIN = -126dB measured at 80dB of gain with 150 ohms source impedance and 20Hz/22kHz bandpass filter
  • Noise at analog out: -92dBu measured at +6dB gain with 20Hz/22kHz bandpass A-weighted filter
  • Noise at AES digital out: -119dBfs measured at + 6dB gain with 20Hz/22kHz bandpass A-weighted filter
  • Maximum input level: +16dBu
  • Input impedance: variable, set by preamp chosen
  • CMRR: Transformer: 123dB @ 60dB of gain
  • Electronic: 102dB @ 60dB of gain

Line input

  • Gain range: —10dB to +10dB, switched in 1dB steps

0dB ±0.1dB between 20Hz and 20kHz

  • THD+N at analog out: 0.001% measured with a +18dBu 1kHz input signal with 20Hz/22kHz bandpass filter
  • THD+N at AES digital out: 0.0004% measured with a +18dBu 1kHz input signal with 20Hz/22kHz bandpass filter
  • Noise at analogue out: -92dBu measured at 0dB gain with 20Hz/22kHz bandpass A-weighted filter
  • Noise at AES digital out: -120dBfs measured at 0dB gain with 20Hz/22kHz bandpass

A-weighted filter

  • Maximum input level: +22 dBu

High pass filter

  • Roll off frequency: switchable between 75Hz and 120Hz, frequency measured at —6dB down point, 12dB per octave roll-off

Harmonics

  • Distortion range: 0 to 15 where 15 (maximum) = 10% of 2nd-, 20% of 3rd- and 10% of 5th-order at 0dBfs (level-dependent distortion)

Compressor

  • In As Original mode the parameter ranges will be the same as on the original unit being replicated. In Free mode the parameter ranges are as follows:
  • Threshold range: -40dB to 20dB switched in 1dB steps.
  • Ratio range: 1:1 to limit
  • Attack range: 0.1 mS to 2.5 S
  • Release range: 0.1 mS to 2.5 S
  • Make-up gain: -20dB to +20dB switched in 0.5dB steps

EQ

  • High Shelf
  • Frequency range: 200Hz to 20kHz
  • Gain: +/-18dB
  • Mid Band
  • Frequency range: 100Hz to 10kHz
  • Gain: +/-18dB
  • Q: variable between 0.8 and 2.5
  • Low Shelf
  • Frequency range: 10Hz to 1kHz
  • Gain: +/-18dB
  • Weight: 19 lbs./8.6 kg
  • Dimensions: 19"W x 3-1/3"H x 10-5/8"D/484mm W x 85mm H x 270mm D
  • 2U rackmount

The Focusrite MH445 Liquid Channel is an analog microphone preamplifier with digital processing designed to emulate the "sound" of different preamp and channel strip models





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