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dbx 1066

Dual Compressor Limiter Gate

Product Code 1489

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The dbx1066 is the Stereo Compressor/Limiter/Gate of today. Want to instantly add that classic dbx response to your mix? It's there at the touch of the "Auto" button. Or use the independent Attack and Release controls to tailor
the 1066 to your specific needs. Unwanted frequencies or mic bleed in the signal path? Frequency dependent gain control is a snap to set up and execute with our
Side Chain External button (SC Ext). Use the Side Chain Monitor button (SC Mon) and your favorite EQ to dial in the specific frequencies you want to trigger the

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MPN: DBX1066
UPC: 691991400018


Connectors: XLR and 1/4" TRS (Pin 2 and tip hot)

Type: Electronically balanced/unbalanced, RF filtered

Impedance: Balanced > 50 kOhm, unbalanced > 25 kOhm

Max Input Level: > +24 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 120 Ohm, unbalanced 60 Ohm

Max Output Level: > +21 dBu, > +20 dBm

Sidechain Input

Connector: 1/4" TS

Type: Unbalanced, RF filtered

Impedance: > 10 kOhm

Max Input Level: > +24 dBu

Sidechain Output

Connector: 1/4" TRS (tip hot)

Type: Impedance balanced, RF filtered

Impedance: Balanced 2 kOhm, unbalanced 1 kOhm

Max Output Level: > +21 dBu balanced or unbalanced

System Performance

Bandwidth: 20 Hz to 20 kHz, +0/0.5 dB

Frequency Response: 0.35 Hz to 90 kHz, +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

Interchannel Crosstalk: < -80 dB, 20 Hz to 20 kHz

Stereo Coupling: True RMS Power Summing


Threshold Range: -40 dBu to +20 dBu

Ratio: 1:1 to :1

Threshold Characteristic: Selectable OverEasy® or hard knee

Attack/Release Characteristic: AutoDynamic

Attack/Release Modes: Selectable Manual or Auto

Manual Attack Time: Scalable program-dependent

Manual Release Time: Scalable program-dependent

Auto Attack Time: Program-dependent

Auto Release Time: Program-dependent

Output Gain: -20 to +20 dB


Threshold Range: +4 dBu to +24 dBu (off)

Ratio: :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


Threshold Range: Off to +15 dBu

Ratio: 1:1 to 30:1

Attack Time: < 100 µsec

Release Time: Program-dependent

Function Switches

SC Ext: Routes the external sidechain input signal to the detector.

SC Mon: Routes the sidechain signal to the output, interrupting the normal audio.

OverEasy®: Activates the OverEasy® compression function.

Contour: Activates the frequency-dependent detector function.

Auto: Activates automatic program-dependent attack and release times, disabling the manual Attack and Release controls.

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 relay bypass. Relay automatically hard-wire bypasses unit at power-down and provides a power-on delay of
1.5 sec.

Operating Level (rear panel): Switches the nominal operating level between -10 dBV and +4 dBu simultaneously for both input and output levels.

ST Link: Links both channels for stereo operation. Channel One becomes the master.


Gain Reduction Meter: 12-segment LED bar graph at 1, 2, 4, 6, 9, 12, 15, 18, 21, 24, 27 and 30 dB

Input/Output Meter: 8-segment LED bar graph at -24, -18, -12, -6, 0, +6, +12, and +18 dBu

Compressor Threshold Meter: 3-segment LED bar graph at Below (-), OverEasy®. and Above (+)

Exp/Gate Threshold Meter: 2-segment LED bar graph at Below (-) and Above (+)

Limiter, Thershold Meter: 1 LED to indicate PeakStopPlus limiting

Function Switches: LED indicator for each front-panel switch


Output Transformer

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


Power Supply

Operating Voltage: 100-120 VAC 50/60 Hz 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: 5.1 lbs (2.3 kg)

Shipping Weight: 7.5 lbs. (3.4 kg)

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