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DBX 386 Dual Vacuum Tube Preamp w/Digital Out

Model: 386

DBX 386 Dual Vacuum Tube Preamp w/Digital Out
Discontinued
  • No Longer Available at AVShop.ca 
  • Not yet reviewed
Not Available



About: DBX 386 Dual Vacuum Tube Preamp w/Digital Out

Tube Mic Preamp Features dual premium vacuum tube preamp
channels with front panel instrument input, noise‐shaping algorithms

and selectable dithering and sample rates. In addition, the 386 also
offers digital outputs in AES/EBU and S/PDIF formats.

  • Two channel tube microphone preamplifier
  • Selectable 96kHz, 88.2kHz, 48kHz, or 44.1kHz sampling rate
  • 24, 20, and 16-bit wordlengths
  • Selectable dither and noise shaping
  • AES/EBU and S/PDIF digital outputs
  • Word clock sync input and output
  • Separate analog and digital output control
  • Type IV™ conversion system
  • 60dB of gain and +/- 15dB of output gain
  • Selectable mic/line switch
  • 48 volt phantom power
  • 20dB pad
  • 75Hz low cut filter
  • Phase reverse
  • Segment LED analog/digital

MICROPHONE INPUT

Connector: Female XLR Pin 2 Hot

Type: Electronically balanced/unbalanced

Impedance: 330Ω

Max Input Level: -9 dBu or +11 dBu with 20 dB pad engaged

CMRR: >40dB, Typically 55dB

Equivalent Input
Noise: Typically 120 dBu with a 150Ω, source load 20 Hz to 20kHz Bu

LINE INPUT (REAR PANEL)

Connectors: TRS 1/4" Jack

Type: Electronically balanced/unbalanced

Impedance: 20kΩ unbalanced, 40kΩ balanced

Maximum Input Level: +21dBu balanced or unbalanced

CMRR: >40dB, Typically 55dB

Gain (Drive Control): -15dB to +15dB

INSTRUMENT INPUT (FRONT PANEL)

Connector: TS 1/4" Jack

Type: Unbalanced

Impedance: 470kΩ

Maximum Output
Level: >+21 dBu unbalanced

Insert Connector: TRS 1/4"

Type: Unbalanced

Impedance: 100Ω, send -20Ω return

ANALOG OUTPUTS

Connector: Male XLR Pin 2 Hot and TRS 1/4"

Type: Servo-balanced/unbalanced

Impedance: Balanced 120Ω, unbalanced 60Ω

Maximum Output
Level: >+21 dBu, >+20 dBm (into a 600Ω load)

DIGITAL OUTPUTS

Connector: XLR for AES/EBU
RCA for S/PDIF

Impedance: 110Ω for AES/EBU
75Ω for S/PDIF

WORD SYNC INPUT/OUTPUT

Connectors: BNC

Input Impedance: 75Ω terminated by internal jumper

Input: 96, 88.2, 48, or 44.1kHz word clock

OUTPUT: 96, 88.2, 48, or 44.1kHz word clock

SYSTEM PERFORMANCE

DRIVE Control Range: +30dB to +60dB for Mic Input
-15dB to +15dB for Line and Instrument Inputs

LEVEL Control Range
Analog and Digital): -15dB to +15dB

LINE: Selects between microphone and line inputs

Phantom Power: +48V

PAD: 20dB pad

PHASE: Reverses pins 2 and 3 of the microphone input XLR

LOW CUT: 75Hz, 12dB/octave high pass filter

Frequency Response: <10Hz to 75kHz

THD + Noise: 0.35% typical at +4dBu out, 1kHz, 40 dB gain

Interchannel Crosstalk: Typically –80dB, 20Hz to 20kHz

ANALOG TO DIGITAL CONVERSION

Type: dbx® Type IV™ A/D Conversion System

Sample Rate: 96, 88.2, 48, or 44.1kHz selectable

Wordlength: 24, 20, or 16 bit selectable

Dither Type: TPDF, SNR2, or none

Noise Shape: Shape 1, Shape 2, or none

Output Format: S/PDIF or AES/EBU

Convertor Dynamic
Range: 107dB typical, A-weighted, 22kHz bandwidth

POWER SUPPLY

Operating Voltage: DO: 120VAC 60Hz, 100VAC 50/60Hz
EU: 230VAC 50/60 Hz

Power consumption: 35W

PHYSICAL

Dimensions: 1.75'' x 7.75'' x 19'' (4.5cm x 19.7cm x 48.5cm)

Power consumption: 6.89 lbs (3.17kg)
Note: 0dBu = -16dFS, 0dBu-0.775Vms


UPC: 691991400186

AVShop.ca is a Canadian authorized dbx retailer.

Reviews: DBX 386 Dual Vacuum Tube Preamp w/Digital Out

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Warranty: DBX 386 Dual Vacuum Tube Preamp w/Digital Out

AVShop.ca Warranty:

30 Days

Manufacturer's Warranty:

Soundcraft, Lexicon, BSS, and dbx products are warranted to be free from defects of material and workmanship for 1 year from the date of delivery to the original user. Repairs will be undertaken at no cost for labor or materials within this time period.