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9
DigiMax
™
DP88 User Manual
3
Technical Information
3.1
Audio Specification
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 [email protected]% 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 [email protected]% 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 [email protected]% 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
