קדם מגבר 8 ערוצים PreSonus DigiMax D8

FL-D

DigiMax D8
Features
Input/Output
2 unbalanced ¼” instrument inputs (front panel; bypass Ch. 1 and 2 mic inputs)
8 balanced rear-panel XMAX mic preamps
1 BNC word-clock input
8 balanced ¼” direct outputs (1 per channel)
1 ADAT Lightpipe optical digital output (8 channels)
Meters, Controls, and Features
Individual channel-trim controls with -4 dB to +50 dB gain range
48V phantom power for condenser microphones (switchable in pairs)
-20 dB pad on every channel
4-segment, fast-acting LED input meter
Clock source (sets clock to external or internal with 44.1 or 48 kHz sample rate)
Digitalia
Professional-quality AD converters (+107 dBu dynamic range)
ADAT Lightpipe digital output: 8 channels at 24-bit resolution and 44.1 and 48 kHz internal sampling rate
Word-clock master via ADAT Lightpipe or slave to external word clock
Power
Internal power supply with standard IEC connector
Physical
1U rack-mountable, rugged steel chassis

Technical Specifications
Inputs
Input Type XLR Female Balanced
Frequency Response (±0.5 dB) 20 Hz to 50 kHz
Frequency Response (±3.0 dB) 20 Hz to 150 kHz
Input Impedance (Balanced) 1600Ω
THD+N (unwtd, 1 kHz @ +4 dBu Output, Unity Gain) < 0.003%
EIN (unwtd, 55 dB Gain, 150Ω Input, 20 Hz to 22 kHz) -126 dBu
S/N Ratio (Unity Gain, unwtd, Ref. = +4 dBu, 20 Hz to 22 kHz) >101 dB
Common Mode Rejection Ratio (1 kHz, 55 dB Gain) > 55 dB
Gain Control Range (±1 dB) -4 dB to 50 dB
Maximum Input Level (Unity Gain, 1 kHz @ 0.5% THD+N) +14 dBu
Signal Level LEDs +10 dBu (0 dBFS)
Red/Clip (±0.5 dBu) +4 dBu (-6 dBFS)
Yellow (±0.5 dBu) -8 dBu (-18 dBFS)
Green (±0.5 dBu) -14 dBu (-24 dBFS)
Phantom Power (±2 VDC) +48 VDC
Instrument Input (channels 1 and 2 only)
Type ¼” TRS Female Unbalanced
Input Impedance 1 MΩ
Line Outputs
Type ¼” TRS Balanced
Output Impedance 51Ω
Digital Audio
ADC Dynamic Range (A-wtd, 48 kHz sample rate) 107 dB
Bit Depth 24
Reference Level for 0 dBFS +10 dBu
Internal Sample Frequency, Selections 44.1, 48 kHz
External Sample Frequency, Input 75Ω BNC
Power
Input Connector Type IEC
Input Voltage (factory configured) 90 to 230 VAC
Power Requirements (Continuous) 20W
Physical
Dimensions 1U rackmount
Height 1.75” (44.45 mm)
Depth 7” (177.8 mm)
Width 19” (482.6 mm)
Weight 6 lbs. (2.72 kg)

As a commitment to constant improvement, PreSonus Audio Electronics, Inc., reserves the right to change any specification stated herein, at any time, without notification