User Guide | KeyStudio 49i - M-Audio
User Guide | KeyStudio 49i - M-Audio
User Guide | KeyStudio 49i - M-Audio
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44.1 kHz sampling rate unless otherwise stated<br />
Mic Inputs<br />
Input Impedance 4 4k Ohms<br />
<strong>KeyStudio</strong> <strong>49i</strong> <strong>User</strong> <strong>Guide</strong><br />
Maximum Input Level at minimum gain -2 2 dBu (0 6 Vrms), balanced<br />
SNR -96 dB, A-weighted<br />
Dynamic Range 96 dB, A-weighted<br />
THD+N 0 004 % (-88 dB) @ -1 dBFS, 1 kHz<br />
Frequency Response 20 Hz to 20 kHz, +/- 0 5 dB<br />
Available Pre-amp Gain 41 dB<br />
Instrument Input<br />
Input Impedance 1MOhm unbalanced<br />
Maximum Input Level at minimum gain +12 dBV (4 Vrms)<br />
SNR -94 dB, A-weighted<br />
Dynamic Range 94 dB, A-weighted<br />
THD+N 0 00782 % (-82 1 dB) @ -1 dBFS, 1 kHz<br />
Frequency Response 20 Hz to 20 kHz, +/- 0 6 dB<br />
Available Pre-amp Gain 40 dB<br />
Aux Inputs<br />
Input Impedance 10K Ohm unbalanced<br />
Maximum Input Level +2 dBV unbalanced<br />
SNR -96 dB, A-weighted<br />
Dynamic Range 96 dB, A-weighted<br />
THD+N < 0 005 % (-86 dB) @ -1 dBFS, 1 kHz<br />
Frequency Response 20 Hz to 20 kHz, +/- 0 5 dB<br />
Line Outputs<br />
Output Impedance 240 Ohm unbalanced<br />
Maximum Output Level +1 8 dBV (1 2 Vrms)<br />
Channel-to-Channel Crosstalk < -88 dB @ 1 kHz<br />
SNR -103 dB, A-weighted<br />
Dynamic Range 95 dB, A-weighted<br />
THD+N 0 00391 % (-88 2 dB) @ -1 dBFS, 1 kHz<br />
Frequency Response 20 Hz to 20 kHz, +/- 0 1 dB<br />
Headphone Outputs<br />
Maximum Output -2 dBV (0 8 Vrms) into 32 ohms @ < 0 05% THD+N<br />
Working Range 32 to 600 ohms<br />
18 2 mW into 32 ohms @ < 0 05% THD+N<br />
Frequency Response 20 Hz to 20 kHz, +/- 1 3 dB<br />
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Technical Specifications<br />
21
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