dbx Pro 386 user manual Appendix D

Page 34

Appendix D

Appendix

 

386

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D.3 Specifications

 

 

 

 

Microphone Input

 

 

 

 

Connector:

 

 

Female XLR Pin 2 Hot

Type:

 

 

Electronically balanced/unbalanced

Impedance:

 

 

330Ω

 

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 150Ω source load, 20Hz to 20kHz BW

Line Input (Rear Panel)

 

 

 

 

Connector:

 

 

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:

 

 

470 kΩ

Maximum Input Level:

 

 

+21dBu unbalanced

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)

Insert

 

 

 

 

Connector:

 

 

TRS 1/4"

Type:

 

 

Unbalanced

Impedance:

 

 

100Ω

(SEND), 20kΩ (RETURN)

Digital Outputs

 

 

 

 

Connectors:

 

 

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

LEVEL Control Range

 

 

-15dB to +15dB for Line and Instrument Inputs

 

 

 

 

(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

Power Requirements:

 

 

EU: 230VAC 50/60 Hz

 

 

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

®

26

386 User Manual

 

 

Image 34
Contents 386 Important Safety Instructions Declaration Conformity Table of Contents 386Intro Introduction DefiningIntroduction Service Contact Info WarrantyInstallation Recommendations Getting IEC Power Cord Receptacle Getting Started Rear Panel ConnectionsGetting Started Front Panel ControlsMeter Select Switch Front Panel Type IV conversion system controlsAnalog Basic Analog Connection Analog ApplicationsConnection to a Mixing Console Direct Connection to a Recorder Page Digital Digital Applications Digital Output Front Functions Digital Output Rear Panel ConnectionsDigital Applications Sync Input Sample Rate SelectionDirect Connection to a DAW CPU Rear Panel ConnectionsSection Direct Connection to a Digital MixerDigital Applications A/D Conversion Multi-Tracking to Digital Digital Applications Analog and Digital Output Application Appendix Sync Input Info Fig. A.1Block Diagram BlockBy Roger Johnson Type IV White PaperAppendix C Appendix C Appendix C Appendix C Appendix TruncationAppendix D Harman International Company