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9

Specifications

Input

Connectors: 

Female XLR and 1/4” TRS (Pin 2 and tip hot) 

Type:  

Electronically balanced/unbalanced, RF filtered 

Impedance: 

Balanced > 50 k

Ω

, unbalanced >25 k

Ω

Max Input Level: 

> +24 dBu balanced or unbalanced

CMRR: 

40 dB; Typically >55 dB at 1 kHz

Output

Connectors: 

Male XLR and 1/4” TRS (Pin 2 and tip hot)

Type: 

 

Servo-balanced/unbalanced, RF filtered

Impedance: 

Balanced 60

Ω

, unbalanced 30

Ω

Max Output Level: 

> +21 dBu, >+20 dBm balanced/unbalanced

System Performance

Bandwidth: 

20 Hz to 20 kHz, +0/-0.5 dB

Frequency Response: 

0.35 Hz to 200 kHz, +0/-3 dB

Noise: 

 < -94 dBu, unweighted, 22 kHz measurement bandwidth

Dynamic Range: 

> 118 dB, unweighted

THD+Noise: 

0.009% typical at +4 dBu, 1 kHz unity gain

 

0.09% typical at +20 dBu, 1 kHz, unity gain

 

< 0.1% any amount of compression up to 40 dB, 1 kHz

IMD: 

< 0.1% SMPTE

Interchannel Crosstalk: 

< -85 dB, 20 Hz to 20 kHz

VCA: 

dbx V2™

Stereo Coupling: 

True RMS Power Summing

Compressor

Threshold Range: 

-40 dBu to +20 dBu

Ratio: 

1:1 to 

:1

Threshold Characteristic: 

Selectable OverEasy® or hard knee

Attack/Release Characteristic:  AutoDynamic™
Attack Time: 

Program-dependent, typically 15ms for 10 dB, 5 ms for 20 dB, 3 ms for 30 dB 

Release Time: 

Program-dependent, typically 125 dB/sec

Output Gain: 

-20 to +20 dB

Limiter

Threshold Range: 

+4 dBu to +22 dBu (off)

Ratio: 

:1

Limiter Type: 

PeakStopPlus™ two-stage limiter

Stage 1: 

Instantaneous Transient Clamp™

    Attack Time: 

Zero

    Release Time: 

Zero

Stage 2: 

Intelligent Predictive Limiting™

     Attack Time: 

Program-dependent, typically <5 msec

     Release Time: 

Program-dependent, typically 22 dB/sec

Function Switches

OverEasy®: 

Activates the OverEasy® compression function. 

I/O Meter: 

Switches between monitoring input and output levels on the Input/Output Level meter. 

Bypass: 

Activates the direct input-to-output hard-wire bypass. 

Operating Level (rear panel): 

Switches the nominal operating level between  -10 dBV and +4 dBu simultaneously for both input and output levels.

Stereo Couple: 

Couples channels in stereo pairs. Channels One and Three become the master channels.

 

Indicators

Gain Reduction 

 8 segment LED bar graph at 1, 3, 6, 10, 15, 20, 25, and 30 dB

Input/Ouptut Level 

 8-segment LED bar graph at -24, -18, -12, -6, 0, +6, +12, and +18 dBu

Limiter Threshold: 

1 LED to indicate PeakStopPlus™ limiting

Function Switches: 

LED indicator for each front-panel switch

Specifications

Summary of Contents for 1046

Page 1: ...MODEL 1046 Operation Manual...

Page 2: ...pment only to the power source indicated on the equipment rear panel To reduce the risk of fire or electric shock refer servic ing to qualified service personnel or equivalent If connected to 240V sup...

Page 3: ...e following two conditions this device may not cause harmful interference and this device must accept any interference received including interference that may cause undesired operation Operation of t...

Page 4: ......

Page 5: ...tents Introduction 2 Inspection 2 Warranty 2 Connecting the 1046 to your system 3 Operating Controls 3 Rear Panel Operations 6 Applications 7 Installation Considerations 8 Specifications 9 Manual Cont...

Page 6: ...used solely within the U S to be free from defects in materials and workmanship under normal use and service 3 dbx liability under this warranty is limited to repairing or at our discretion replacing...

Page 7: ...away from audio lines The unit may be turned on and off via the rear panel power switch or from a master equipment power switch Operating Controls Front Panel CHANNEL FOUR INPUTS OUTPUTS OPERATING LEV...

Page 8: ...justable between 1 1 and 1 Note when OverEasy processing is selected the ratio transitions smoothly from the linear to the compressed region As the signal exceeds the threshold the ratio approaches th...

Page 9: ...can be achieved by intentionally driving the signal into heavy PeakStopPlus limiting Great care has gone into the design of the PeakStopPlus limiter to keep it acoustically transparent Appropriate use...

Page 10: ...Gain Reduction meters will indicate the amount of gain reduction occurring as on their masters Gain Reduction Meters All 4 channels have equal precedence as far as signal processing is concerned The...

Page 11: ...ively low THRESHOLD setting 20 dBu Adjust both controls as necessary Compressors have also been used to bring vocals to the forefront of a mix in volume restricted studios e g home studios Start by ad...

Page 12: ...h for all digital media To use the 1046 so that no changes in gain occur unless an emergency arises wildly excessive levels set Hard Knee mode On the RATIO to 1 and the THRESHOLD highest level before...

Page 13: ...amic Attack Time Program dependent typically 15ms for 10 dB 5 ms for 20 dB 3 ms for 30 dB Release Time Program dependent typically 125 dB sec Output Gain 20 to 20 dB Limiter Threshold Range 4 dBu to 2...

Page 14: ...100 120 VAC T 300 mA L 250V 200 240 VAC T 160 mA L 250V Mains Connection IEC receptacle Physical Dimensions 1 75 H x 19 W x 9 D 44 5 x 483 x 229 mm Weight 7 4 lbs 3 4 kg Shipping Weight 9 8 lbs 4 4 kg...

Page 15: ...Notes...

Page 16: ...18 2244V C Printed in China 8760 South Sandy Pkwy Sandy Utah 84070 Phone 801 568 7660 Fax 801 568 7662 Email customer dbxpro com Website www dbxpro com...

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