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Quad Compressor / Limiter

  • Four independent channels of operation, stereo linkable in two pairs
  • PeakStopPlus™ limiting control for setting maximum allowable level regardless of compressor settings
  • Independent Threshold and ratio controls
  • Switchable OverEasy® or Hard Knee compression
  • Classic dbx® compression
Tag: Category: SKU: OB/COM/DBX02

In today’s recording and sound reinforcement environments, the need for multiple channels of high quality, easy to use compression is growing rapidly. The new dbx’ 1046 is designed to provide the audio professional with just that: 4 channels of great sounding dbx compression for a variety of applications. Incorporating the industry standard dbx designs and the latest available manufacturing techniques, the dbx 1046 provides pristine sonic quality with that classic dbx sound.

The 1046 provides 4 channels of smooth classic dbx OverEasy’ or Hard Knee compression that are perfectly suited for use on individual tracks of your multitrack recorder, and in virtually all applications the separate channels can be individually interfaced and used for entirely independent purposes. Additionally the newly developed PeakStopPlus“ is ideal for protecting your system from the oppressive peaks that can take out valuable drivers in your sound reinforcement rig or studio monitors.

All four channels have the following controls:

  • Threshold – allows you to set the level at which the compressor starts affecting the gain
  • OverEasy – allows you to select between soft compression for overall gain control or Hard Knee compression based on the characteristics of the original dbx 160.
  • Ratio – allows you to set the slope of gain reduction affecting the signal over the threshold level.
  • Input/Output Meter – allows you to set the meter to check the input and output levels for maximum signal-to-noise ratio and best level matching.
  • Output Gain – allows you to add make-up gain or to adjust the output level for that channel to match the next device’s input gain.
  • Bypass – hard wire bypass allows you to hear how the compressor is affecting your signal.
  • PeakStopPlus – allows you to set the maximum signal level you want to pass through this channel. While it’s virtually impossible to eliminate distortion, the PeakStopPlus circuit does it gracefully and effectively with minimal distortion.
  • Stereo Link – allows you to link channels 1&2 and 3&4 for two channels of true stereo compression.
  • All four channels feature balanced gold plated XLR and 1/4″ inputs and outputs, and switchable 4dBu or -10dBV operating level to interface each individual channel with any other device.
  • So whether you need to control the level, placement in the mix, or overall characteristics of 4 independent signals or control the gain leveling on a couple of stereo pairs, the dbx 1046 is for you.

4 independent channels of operation, stereo linkable in two pairs.
PeakStopPlus limiting control for setting maximum allowable level regardless of compressor settings.
Switchable OverEasy or hard-knee compression.
Selectable Auto (classic dbx) or manual (variable Attack and Release) compression.
Differentially balanced gold-plated XLR and 1/4″ inputs and outputs.
True RMS level detection.
Precision metering of input level, output level, and gain reduction.
Dual True stereo or quad mono operation.
Switchable 4dBu or -10dBV operation per channel.

Connectors:XLR and 1/4″ TRS (Pin 2 and tip hot)
Type:>Electronically balanced/unbalanced, RF filtered
Impedance:>Balanced > 40 kOhm, unbalanced >20 kOhm
Max Input Level:>> 22 dBu balanced or unbalanced
CMRR:>Typically >50 dB at 1 kHz

Connectors:>XLR and 1/4″ TRS (Pin 2 and tip hot)
Type:>Servo-balanced/unbalanced, RF filtered
Impedance:>Balanced 30 Ohm, unbalanced 15 Ohm
Max Output Level:>> 22 dBm balanced, > 20 dBm unbalanced

Bandwidth: >20 Hz to 20 kHz, 0/-0.5 dB
Frequency Response:>0.35 Hz to 90kHz, 0/-3 dB
Noise:>< -96 dBu, unweighted, 22 kHz measurement bandwidth
Dynamic Range:>> 118 dB, unweighted
THD Noise:>0.008% typical at 4 dBu, 1 kHz unity gain
0.08% typical at 20 dBu, 1 kHz, unity gain
< 0.1% any amount of compression up to 40 dB, 1 kHz
IMD:>< 0.1% SMPTE
Crosstalk:< -80 dB 20Hz to 20 kHz
Stereo Coupling:>True RMS Power Summing

Threshold Range:>-40 dBu to 20 dBu
Ratio:>1:1 to infinity:1
Characteristic: Selectable OverEasy’ or hard knee
Characteristic: AutoDynamic“
Attack Time:>Program-dependent
Release Time:>Program-dependent
Output Gain:>-20 to 20 dB

Threshold Range:>0 dBu to 24 dBu (off)
Ratio:>infinity: 1
Limiter Type:>PeakStopPlus’ two-stage limiter
Stage 1:>PeakStop’ brickwall limiter
Attack Time:>Zero
Release Time:>Zero
Stage 2:>Predictive intelligent program limiter
Attack Time:>Program-dependent
Release Time:>Program-dependent

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.

(rear panel):>Switches the nominal operating level between -10 dBV and 4 dBu simultaneously for both input and output levels.
ST Link:>Links channels in stereo pairs. Channels One and Three become the master channels.

Gain Reduction Meter:>8 segment LED bar graph at 1, 3, 6, 10, 15, 20, 25, and 30 dB
Input/Ouptut Meter:>8-segment LED bar graph at -24, -18, -12, -6, 0, 6, 12, and 18 dBu
PeakStop“:>1 LED to indicate PeakStop“ limiting
Function Switches:>LED indicator for each front-panel switch
OPTIONS – Output Transformer

Per Channel:>Jensen’ JT-123-dbx or JT- 11-dbx, BCI RE- 123-dbx or RE-11-dbx

Operating Voltage:>Switchable:100-120 VAC 50-60 Hz or 200-240 VAC 50/60 Hz
Power Consumption:>20 Watts
Fuse:>100-120 VAC:250 mA Slow Blow, 200-240 VAC:125 mA Type T
Mains Connection:>IEC receptacle

Dimensions:>1.75″Hx19″Wx9″D (4.4cmx48.3cmx20.1cm)
Weight:>5.2 lbs. (2.4 kg)
Shipping Weight:>7.6 lbs. (3.5 kg)

>Note:Specifications subject to change without notice.





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