User Manual
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9
DigiMax
™
DP88 User Manual
3 Technical Information
3.1 Audio Specication
DAC Outputs
Type DB25 Female, Balanced
Maximum Output Level +24 dBu, +/-0.5 dB
Frequency Response 20 Hz to 20 kHz, +/-0.2 dB
Dynamic Range (A-weighted) > 120 dB
THD+N (1 kHz, -1 dBFS, un-weighted) < 0.005%
Output Impedance 51 Ω
Crosstalk (1 kHz, channel-to-channel) < -80 dB
Digital Audio
Connection Type ADAT / Dual SMUX
ADC Dynamic Range (A-wtd, 48 kHz) 118 dB
DAC Dynamic Range (A-wtd, 48 kHz) 118 dB
Bit Depth 24 bits
Internally Supported Sample Rates 44.1, 48, 88.2, 96 kHz
Clock
Jitter <20 ps RMS (20 Hz – 20 kHz)
Jitter Attenuation >60 dB (1 ns in => 1 ps out)
Signal Level LEDs
Signal 1 -50 dBFS
Signal 2 -30 dBFS
Signal 3 -20 dBFS
Signal 4 -10 dBFS
Signal 5 -6 dBFS
Signal 6 -4 dBFS
Signal 7 -2 dBFS
Clip -0.5 dBFS
Microphone Preamp (XLR Balanced)
Type XLR Female & DB25 Female, Balanced Remote
Maximum Input level (min. gain, 1 kHz@0.5% THD+N) +12 dBu, +/-0.5 dB
Gain Control Range 85 dB, +/-1 dB
Frequency Response (A-D) 10 Hz to 40 kHz, +/-0.2 dB
Dynamic Range (min. gain, a-wtd) > 110 dB
Dynamic Range (mid. Gain, unwtd) > 105 dB
THD+N (min. gain, a-wtd) < 0.005%
Input Impedance 1600 Ω
EIN (+55 dB gain, 150Ω input, 20 Hz-22 kHz, a-wtd) < -128 dBu
Common Mode Rejection Ratio (1 kHz, +55dB gain) > 55 dB
Phantom Power +48 V, +/- 3 V, > 8mA per channel
Line Inputs
Type DB25 Female, Balanced
Maximum Input Level
(min. gain, 1 kHz@0.5% THD+N)
+22 dBu, +/-0.5 dB
Gain Control Range +/-20dB, +/-1 dB
Frequency Response (A-D) 20 Hz to 20 kHz, +/-0.2 dB
Dynamic Range (min. gain, A-weighted) > 114 dB
Dynamic Range (mid. gain, un-weighted) > 105 dB
THD+N (1 kHz, -1 dBFS, A-weighted) < 0.005%
Input Impedance 10 kΩ
Crosstalk (1 kHz, channel-to-channel) < -80 dB
ADC Direct Line Inputs
Type DB25 Female, Balanced
Maximum Input Level
(min. gain, 1 kHz@0.5% THD+N)
+22 dBu, +/-0.5 dB
Frequency Response (A-D) 20 Hz to 20 kHz, +/-0.2 dB
Dynamic Range (min. gain, A-weighted) > 118 dB
Dynamic Range (mid. gain, un-weighted) > 105 dB
THD+N (1 kHz, -1 dBFS, A-weighted) < 0.005%
Input Impedance 10 kΩ
Crosstalk (1 kHz, channel-to-channel) < -80 dB