dbx 386 Dual Vacuum Tube Preamp

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dbx-386-sqr.png

dbx 386 Dual Vacuum Tube Preamp

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The 386 dual channel tube mic preamp puts the best of both worlds into one affordable package by combining the warmth of the irreplaceable vacuum tube with the proprietary dbx Type IV conversion system. The 386 features +48V phantom power, a phase invert switch, and low cut filtering; but also includes digital outputs in both AES/EBU, and S/PDIF formats. 

The high impedance, 1/4" instrument input located on the front panel, as well as the mic/line switch, and 20 dB pad show our dedication to providing convenience in the studio.

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Specs:

  • Mic Preamp Connector: Female XLR Pin 2 Hot; Electronically balanced/unbalanced
  • Mic Preamp Input Impedance: 330 Ω
  • Mic Pre Max Input Level: -9 dBu or +11 dBu with 20 dB pad engaged
  • CMRR: >40dB, Typically 55dB
  • EIN: Typically -120 dBu with a 150 Ω source load, 20Hz to 20kHz BW
  • Input Connector: (instrument/line) 1/4" Jack
  • Input Type: (line) Electronically balanced/unbalanced; (instrument) Unbalanced
  • Max Input Level: (instrument/line) +21dBu balanced or unbalanced
  • Gain Adjustment Range: (drive control) Line/Instrument: -15dB to +15dB; Mic: +30dB to +60dB
  • Output Connectors: Male XLR Pin 2 Hot and TRS 1/4"
  • Output Type: Servo-balanced/unbalanced
  • Output Impedance: Balanced 120 Ω, unbalanced 60 Ω
  • Max Output: >+21 dBu, >+20 dBm (into a 600 Ω load)
  • Digi Out Connector: XLR for AES/EBU, RCA for S/PDIF
  • Digi Output Impedance: 110 Ω for AES/EBU, 75 Ω for S/PDIF
  • Word Sync I/O Connectors: BNC
  • Word Sync Input Impedance: 75Ω terminated by internal jumper
  • Word Sync Input & Output: 96, 88.2, 48, or 44.1kHz word clock
  • Phantom Power: 48V DC
  • Low Cut Switch: 75Hz, 12dB/octave high pass filter
  • Frequency Response: (analog) <10Hz to 75kHz
  • THD + N: 0.35% typical at +4dBu out, 1kHz, 40 dB gain
  • A/D Converter: dbx Type IV A/D Conversion System
  • Digital Output: S/PDIF or AES/EBU