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AudioBox 1818VSL
AudioBox 1818VSL

AudioBox 1818VSL

ManufacturerPreSonus
FunctionAudio Interface (USB Interface)
Produced2011
CountryChina
Form Factor19" Rackmount
Signal PathDigital Hardware (including Analog Connections)
Dimensions48.3 × 4.4 × 14 cm (W × H × D)
Weight4.6 lb. (2.1 kg)
PowerExternal Power Adapter +18 VDC, 2.6A, center-positive
Interface ProtocolUSB 2.0
Channels2 Channel (Mic/instrument input channels), 6 Channel (Mic/line input channels), 8 Channel (Channels ADAT optical input and output (at 44.1 or 48 kHz; 4 channels at 88.2 or 96 kHz))
Connections
  • USB 2.0 port · USB
  • MIDI In/Out · DIN
  • Word-clock output · BNC
  • Headphone output · 1/4" Phone Jack (6.35mm) · Stereo
  • L/R Line outputs · 1/4" Phone Jack (6.35mm) · Balanced
  • S/PDIF · RCA (Phono, Cinch) · Stereo
  • Line outputs x 8 · 1/4" Phone Jack (6.35mm) · Balanced
  • ADAT optical input and output · JIS F05 (Toslink, ADAT Lightpipe) · 8 Way, 4 Way
  • Mic/instrument input channels x 2 · Combo XLR / 1/4" · Balanced
  • Mic/line input channels x 6 · Combo XLR / 1/4" · Balanced
Controls
  • Mic gain range x8 · Rotary Pot · 0 to +35 dBu
  • Headphone level control · Rotary Pot
  • Main level control · Rotary Pot
  • +48V phantom power for 1-4 channels · Latching Push Switch
  • +48V phantom power for 5-8 channels · Latching Push Switch
LinksManufacturer's product page
NotesSpecifications (from the manufacturer's product page) Microphone Inputs Connector Type Combo, XLR, female, balanced Mic Preamp EIN -133 dB, 20 kHz BW, max gain, Rs=40Ω, A-wtd Frequency Response 20 Hz - 22 kHz, ±0.25 dB, unity gain THD+N 0.002%, +4 dBu, 1 kHz, unity gain, 22 kHz BW, A-wtd S/N Ratio 97 dB, +4 dBu, 1 kHz, unity gain, 22 kHz BW, A-wtd Gain Control Range -15 dB to +65 dB Input Max Headroom +16 dBu, < 0.5% THD Input Impedance 1.7 kΩ Phantom Power +48 VDC, 32 mA total unit Line Inputs Connector Type Combo, ¼” TRS, female, balanced Frequency Response 20 Hz - 22 kHz, ±0.25 dB, unity gain THD+N 0.002%, +4 dBu, 1 kHz, unity gain, 22 kHz BW, A-wtd S/N Ratio 98 dB, +4 dBu, 1 kHz, unity gain, 22 kHz BW, A-wtd Gain Control Range -20 dB to +20 dB Input Max Headroom +21 dBu, < 0.5% THD Input Impedance 10 kΩ Instrument Inputs Connector Type Combo, ¼” TS, female, unbalanced Frequency Response 20 Hz - 22 kHz, ±0.25 dB, unity gain THD+N 0.003%, +4 dBu, 1 kHz, unity gain, 22 kHz BW, A-wtd S/N Ratio 89 dB, +4 dBu, 1 kHz, unity gain, 22 kHz BW, A-wtd Gain Control Range -30 dB to +50 dB Input Max Headroom +21 dBu, < 0.5% THD Input Impedance 1 MΩ Analog Outputs Connector Type ¼” TRS, female, impedance balanced Frequency Response 20 Hz - 22 kHz, ±0.25 dB THD+N 0.003%, 1 kHz, 22 kHz BW, A-wtd S/N Ratio 109 dB, 1 kHz, 22 kHz BW, A-wtd Output Level +10 dBu, <0.5% THD Output Impedance 51Ω Headphone Outputs Connector Type ¼” TRS, female, stereo Maximum Power 120 mW/ch @ 60Ω load Frequency Response 20 Hz - 20 kHz, ±0.5 dB, max gain THD+N 0.01%, 1 kHz, max gain, 20 kHz BW, A-wtd S/N Ratio 96 dB, 1 kHz, max gain, 20 kHz BW, A-wtd Digital ADC Dynamic Range 114 dB, 48 kHz, A-wtd DAC Dynamic Range 114 dB, 48 kHz, A-wtd Host Interface USB 2.0 high-speed Bit Depth 24-bit Sample Rates 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz Maximum Latency 6 mS, analog input to analog output ADAT Optical I/O Toslink™ connectors, ADAT/SMUX formats S/PDIF I/O RCA female connectors Word Clock Output BNC connector, 4.5 Vpp @ 75Ω load MIDI I/O 5-pin DIN connectors
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