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KeyStudio 49i User Guide
Technical Speciļ¬cations
22
44.1 kHz sampling rate unless otherwise stated
Mic Inputs
Input Impedance 4.4k Ohms
Maximum Input Level at minimum gain -2.2 dBu (0.6 Vrms), balanced
SNR -96 dB, A-weighted
Dynamic Range 96 dB, A-weighted
THD+N 0.004 % (-88 dB) @ -1 dBFS, 1 kHz
Frequency Response 20 Hz to 20 kHz, +/- 0.5 dB
Available Pre-amp Gain 41 dB
Instrument Input
Input Impedance 1MOhm unbalanced
Maximum Input Level at minimum gain +12 dBV (4 Vrms)
SNR -94 dB, A-weighted
Dynamic Range 94 dB, A-weighted
THD+N 0.00782 % (-82.1 dB) @ -1 dBFS, 1 kHz
Frequency Response 20 Hz to 20 kHz, +/- 0.6 dB
Available Pre-amp Gain 40 dB
Aux Inputs
Input Impedance 10K Ohm unbalanced
Maximum Input Level +2 dBV unbalanced
SNR -96 dB, A-weighted
Dynamic Range 96 dB, A-weighted
THD+N < 0.005 % (-86 dB) @ -1 dBFS, 1 kHz
Frequency Response 20 Hz to 20 kHz, +/- 0.5 dB
Line Outputs
Output Impedance 240 Ohm unbalanced
Maximum Output Level +1.8 dBV (1.2 Vrms)
Channel-to-Channel Crosstalk < -88 dB @ 1 kHz
SNR -103 dB, A-weighted
Dynamic Range 95 dB, A-weighted
THD+N 0.00391 % (-88.2 dB) @ -1 dBFS, 1 kHz
Frequency Response 20 Hz to 20 kHz, +/- 0.1 dB
Headphone Outputs
Maximum Output -2 dBV (0.8 Vrms) into 32 ohms @ < 0.05% THD+N
18.2 mW into 32 ohms @ < 0.05% THD+N
Working Range 32 to 600 ohms
Frequency Response 20 Hz to 20 kHz, +/- 1.3 dB
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