dbx Pro 386 - Manual (Page 34)

Appendix
®
26
Appendix D
386
Microphone Input
Connector: Female XLR Pin 2 Hot
Type: Electronically balanced/unbalanced
Impedance: 330
Ω
Maximum Input Level: -9 dBu or +11 dBu with 20 dB pad engaged
CMRR: >40dB, Typically 55dB
Equivalent Input Noise: Typically -120 dBu with a 150
Ω
source load, 20Hz to 20kHz BW
Line Input (Rear Panel)
Connector: TRS 1/4" Jack
Type: Electronically balanced/unbalanced
Impedance: 20k
Ω
unbalanced, 40k
Ω
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: 470 k
Ω
Maximum Input Level: +21dBu unbalanced
Analog Outputs
Connector: Male XLR Pin 2 Hot and TRS 1/4"
Type: Servo-balanced/unbalanced
Impedance: Balanced 120 Ω , unbalanced 60 Ω
Maximum Output Level: >+21 dBu, >+20 dBm (into a 600
Ω
load)
Insert
Connector: TRS 1/4"
Type: Unbalanced
Impedance: 100
Ω
(SEND), 20k
Ω
(RETURN)
Digital Outputs
Connectors: XLR for AES/EBU
RCA for S/PDIF
Impedance: 110
Ω
for AES/EBU
75
Ω
for S/PDIF
Word Sync Input/Output
Connectors: BNC
Input Impedance: 75 Ω 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
Analog 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 Requirements: 35 Watts
Physical
Weight: 7.3 lbs (3.3kg)
Dimensions: 1.75'' x 7.75'' x 19'' (4.5cm x 19.7cm x 48.5cm)
NOTE: 0dBu= -18dBFS, 0dBu = 0.775V rms
D.3 Specifications
386 User Manual