dbx 386 Dual Vacuum Tube Preamp w/Digital Out

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Microphone Input
Connectors: Female XLR Pin 2 Hot
Type: Electronically balanced/unbalanced
Impedance: 1.0k ohm
Maximum Input Level: -9 dBu or +19 dBu with 20 dB pad engaged
CMRR: >40dB, Typically 55dB
Equivalent Input Noise: -128 dBu with a 150 ohm source load

Line Input (Rear Panel)
Connector: TRS 1/4" Jack
Type: Electronically balanced/unbalanced
Impedance: 20k ohm unbalanced, 40k ohm balanced
Maxium Input Level: +21dBu balanced or unbalanced
CMRR: >40dB, typically 55dB
Gain (Drive Control): -15dB to +15dB

Instrument Input (Front Panel)
Connector: TR 1/4" Jack
Type: Unbalanced
Impedance: 470K ohm
Maximum Input Level: +21dBu unbalanced
Analog Outputs Connector: Male XLR Pin 2 Hot and TRS 1/4"
Type: Servo-balanced/unbalanced
Impedance: Balanced 120 ohm, unbalanced 60 ohm
Maximum Output Level: >+21 dBu, >+20 dBm (into a 600 ohm load)

Digital Outputs
Connectors: XLR for AES/EBU, RCA for S/PDIF
Impedance: 110 ohm for AES/EBU, 75 ohm for S/PDIF

Word Sync Input/Output
Connectors: BNC
Input Impedance: 75 ohm 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 150kHz
THD + Noise: 0.04% typical at +4dBu out, 1kHz, 30 dB gain
Interchannel Crosstalk: Typically -100dB, 20Hz to 20kHz

Analog to Digital Conversion
Type: dbx Type IV(TM) 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

Power Supply
Operating Voltage: DO: 120VAC 60Hz, 100VAC 50/60Hz, EU: 230VAC 50/60 Hz
Power Requirements: 20 Watts
Physical Weight: 6.89 lbs (3.17kg)
Dimensions: 1.75'' x 7.75'' x 19'' (4.5cm x 19.7cm x 48.5cm)