Presonus Audio electronic 26x26 FireWire Recording System 사용자 설명서
5 Technical
33
5.2 Technical Specifications
Microphone Preamp (XLR Balanced)
All measurements Microphone Input to Direct Output
Frequency Response (+0,- 0.5dB)
All measurements Microphone Input to Direct Output
Frequency Response (+0,- 0.5dB)
20Hz to 50KHz
Frequency Response (+0/-3.0 dB)
20Hz to 150KHz
Input Impedance
1600 Ohm
THD+N (unwtd, 1KHz @ +4dBu Output, Unity Gain)
< 0.003%
EIN (unwtd, 55dB Gain, 150 Ohm Input, 20Hz to 22KHz)
-126dBu
S/N Ratio (Unity Gain, unwtd, Ref. = +4dBu, 20Hz to 22KHz)
>101dB
Common Mode Rejection Ratio (1KHz, 55dB Gain)
>55dB
Gain Control Range (+/-1dB)
-6dB to 55dB
Maximum Input Level (Unity Gain, 1KHz @ 0.5% THD+N)
+17dBu
Phantom Power (+/- 2VDC)
+48VDC
Instrument Input (1/4” TRS, Preamps 1 & 2)
Input Impedance
Input Impedance
1 Mega Ohm
Line Inputs (1/4” TRS, Preamps 3 to 8)
All measurements Line Input to Direct Output
Frequency Response (+0,- 0.5dB)
All measurements Line Input to Direct Output
Frequency Response (+0,- 0.5dB)
20Hz to 50KHz
Frequency Response (+0/-3.0 dB)
20Hz to 150KHz
Input Impedance (Balanced)
10 KOhm
THD+N (unwtd, 1KHz @ +4dBu Output, Unity Gain)
< 0.003%
S/N Ratio (Unity Gain, unwtd, Ref. = +4dBu, 20Hz to 22KHz)
>101dB
Gain Control Range (+/-1dB)
-9dB to +12dB
Maximum Input Level (Unity Gain, 1KHz @ 0.5% THD+N)
+23dBu
Insert Jacks (1/4” TRS)
Send Output Impedance (Unbalanced, Ring)
51 Ohm
Return Input Impedance (Unbalanced, Tip)
10KOhm
Direct Outputs/DAC Outputs (1/4” TRS)
Output Impedance (Impedance Balanced)
Output Impedance (Impedance Balanced)
51Ohm
Signal Level LEDs
Clip (+/- 0.5dBu)
+18dBu
Digital Audio
ADC Dynamic Range (A-wtd, 48KHz Sample Rate)
ADC Dynamic Range (A-wtd, 48KHz Sample Rate)
107dB
DAC Dynamic Range (A-wtd, 48KHz Sample Rate)
110dB
Bit Depth
24
Reference Level for 0dBFS
+18dBu
Digital Audio Output (2-Toslink™ Connectors, 8 channels)
ADAT/SMUX
Digital Audio Input (2-Toslink™ Connectors, 8 channels)
ADAT/SMUX
Internal Sample Frequency Selections (KHz)
44.1, 48, 88.2, 96
External Sample Frequency Inputs
BNC, ADAT
(SMUX),SPDIF
(SMUX),SPDIF
BNC Word Clock Output Level (75 Ohm load)
4.5V
BNC Word Clock Input Level Range
3.0 to 5.5V
Power
Input Voltage Range
18 to 30VDC
Power Requirements (Continuous)
24W
DC Input Connector Type = 5.5mm OD/2.1mm ID Barrel, Center Positive
External Switching Power Supply
External Switching Power Supply
90-230VAC/35W
Digital
Jitter Specification
< 300 pS