Presonus-audio-electronic Microphone Preamplifier User Manual download pdf (Page 29)

TECHNICAL INFORMATION

27 | PreSonus 2007

4.2 SPECIFICATIONS

Microphone Preamp

Type ............................................................................................................................. XLR Female Balanced

Frequency Response (±0.5 dB) ............................................................................................... 20 Hz to 50 kHz

Frequency Response (±3.0 dB) ............................................................................................. 20 Hz to 150 kHz

Input Impedance (Balanced) ................................................................................................................ 1600 Ω

THD+N (unwtd, 1 kHz @ +4 dBu Output, Unity Gain) ..................................................................... < 0.003%

EIN (unwtd, 55dB Gain, 150 Ω Input, 20Hz to 22 kHz) .................................................................... -126 dBu

S/N Ratio (Unity Gain, unwtd, Ref. = +4 dBu, 20Hz to 22 kHz) ........................................................ > 101 dB

Common Mode Rejection Ratio (1 kHz, 55 dB Gain) ........................................................................... > 55 dB

Gain Control Range (± 1dB) .................................................................................................... -4 dB to 50 dB

Maximum Input Level (Unity Gain, 1 kHz @ 0.5% THD+N) .............................................................. +14 dBu

Signal Level LEDs

Red / Clip (±0.5 dBu) .......................................................................... +10 dBu (0 dBFS)

Yellow (±0.5 dBu) ............................................................................... +4 dBu (-6 dBFS)

Green (±0.5 dBu) .............................................................................. -30 dBu (-40 dBFS)

Phantom Power (±2 VDC) ................................................................................................................ +48 VDC

Instrument Input (channels 1 & 2 only)

Type .................................................................................................................... ¼” TRS Female Unbalanced

Input Impedance .................................................................................................................................... 1 MΩ

Line Inputs

Type ....................................................................................................................... ¼” TRS Female Balanced

Frequency Response (±0.5 dB) ............................................................................................... 20 Hz to 50 kHz

Frequency Response (±3.0 dB) ............................................................................................. 20 Hz to 150 kHz

Input Impedance (Balanced) ................................................................................................................. 10 KΩ

THD+N (unwtd, 1 kHz @ +4 dBu Output, Unity Gain) ..................................................................... < 0.003%

S/N Ratio (Unity Gain, unwtd, Ref. = +4 dBu, 20 Hz to 22 kHz) ....................................................... > 101 dB

Gain Control Range (±1 dB) ................................................................................................ -16 dB to +16 dB

Maximum Input Level (Unity Gain, 1 kHz @ 0.5% THD+N) .............................................................. +10 dBu

Maximum Input Level (Minimum Gain, 1 kHz @ 0.5% THD+N) ........................................................ +22 dBu

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Presonus-audio-electronic Microphone Preamplifier User Manual Page 29

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