dB10
INPUT
THRU
PA D
0dB
20dB
40dB
PASSIVE DIRECT BOX
dB12
ACTIVE DIRECT BOX
Product Overview
At dbx, when we do something, we do it right. So when we decided to create our new direct injection boxes, we didn’t settle for
the same old tired approach to direct box design. With our dbx name on the line, how could we? One look at our new dB10 Passive
and dB12 Active direct boxes will tell you that these are clearly different. With their bullet-proof construction, and extraordinary
audio performance to rival their looks, nally there’s a direct box worthy of the dbx name.
Utilizing custom dbx mu-metal-shielded audio transformers, high-quality Neutrik® connectors, and low-noise circuitry preserves
the sonic integrity and true characteristics of the signal source. Both boxes include a pad switch that accomodates instrument,
line and even speaker level signals. Take even more control of your sound by utilizing the polarity invert switch to set the phase
relationship between the direct and mic’d sound.
As a professional, you don’t have time for interference, so we’ve included a ground lift switch to solve potential hum and buzz
problems due to ground loops. And between the combined shielding of the cast metal chassis and the custom-wound transformer,
you can be doubly assured of a clean signal free from interference. All of this sits atop a solid, stable footprint, that will keep the
box from being dragged around the stage, and the unique contoured underside allows secure stacking of multiple units.
Direct Box Features
< Premium Performance
< Rugged Design
< Stackable Chassis with
Durable Rubber Foot
< Gold-plated Neutrik® XLR Connector
< Recessed Chrome Toggle Switches
< Hi-Z ¼" Input Jack
< Parallel ¼" Thru Jack
< Transformer Isolated
< Premium Shielded dbx
Custom Transformer
< Balanced XLR Lo-Z Output
dbx Professional
Products
8760 S. Sandy Pkwy.
Sandy, Utah 84070
< 3-Way 0/20/40 dB Pad Switch
< Flat/High-Cut Filter Switch
< Output Polarity Invert Switch
< Ground Lift Switch
< 4-Year Product Warranty
dB12 Additional Features
< +48V Phantom Powered Operation
< Green LED Phantom Power
Indicator
< Low-Noise Active Circuitry
801.568.7660 PHONE
801.568.7662 FAX
801.568.7583 INT’L FAX
customer@dbxpro.com
Sample Application
www.dbxpro.com
18-0615
dB10
POWER
FLAT
GND
LIFT
INVERT
NORMAL
FILTER
POLARITY
PIN 1
OUTPUT
FLAT
GND
LIFT
INVERT
NORMAL
FILTER
POLARITY
PIN 1
OUTPUT
POWER
FLAT
GND
LIFT
INVERT
NORMAL
FILTER
POLARITY
PIN 1
OUTPUT
INPUT
THRU
PA D
0dB
20dB
40dB
POWER
FLAT
GND
LIFT
INVERT
NORMAL
FILTER
POLARITY
PIN 1
OUTPUT
INPUT
THRU
PA D
0dB
20dB
40dB
POWER
FLAT
GND
LIFT
INVERT
NORMAL
FILTER
POLARITY
PIN 1
OUTPUT
PASSIVE DIRECT BOX
dB12
ACTIVE DIRECT BOX
dB10 Specifications
Circuit Type:
Input:
Number of Connectors:
Connection:
Type:
Attenuation Pad:
Filter:
Max Input Level (0 dB Pad):
(20 dB Pad):
(40 dB Pad):
Input Impedance (0dB):
(-20dB):
(-40dB):
Outputs:
Number of Connectors:
Main Output:
THRU Output:
Main Output Impedance:
Main Output CMRR (60 Hz):
(1 kHz):
(10 kHz)
Output Polarity:
Performance:
Bandwidth:
Frequency Response:
Phase Deviation (Input to Output):
Insertion Loss:
Harmonic Distortion (THD+N):
Noise Floor:
Dynamic Range:
Power Supply:
Voltage:
Current:
Ground:
Physical:
Size (L x W x H):
Weight:
Construction:
Finish:
Passive
1 Instrument/Line/Speaker level
1/4” TS (Tip Hot, Sleeve Ground)
Unbalanced, RF Filtered
Switchable: 0, 20, 40 dB
Switchable: Low Pass @ 6 kHz (40 dB pad position only)
+33 dBu
+33 dBu
+33 dBu
80 kΩ w/ 600 Ω load, 270 kΩ w/ 2 kΩ load, 13 MΩ w/ 100 kΩ load
65 kΩ Typical
70 kΩ Typical
2
Male XLR, Balanced, Pin 2 Hot
1/4” Unbalanced TS (Tip Hot, Sleeve Ground)
600 Ω typical, balanced
128 dB typical @ 60 Hz
104 dB typical @ 1 kHz
98 dB typical @ 10 kHz
Switchable: Normal / Invert
20 Hz to 20 kHz +/-0.1 dB typical
<10 Hz to 80 kHz, -3 dB
+1 deg @ 20 Hz, -5 deg @ 20 kHz into 2 kΩ load
21 dB typical
0.003% typical @ 50 Hz, 0 dBu
0.002% typical @ 1 kHz, 0 dBu
0.002% typical @ 10 kHz, 0 dBu
-120 dBu, 22 Hz to 22 kHz, unweighted
153 dB, 22 Hz to 22 kHz, unweighted
N/A
N/A
Switchable: Ground / Lift
5.82” X 5.44” X 2.20”
1.5 lbs. (0.68 kg)
Metal Casting
Powder Coat
dB12 Specifications
Circuit Type:
Input:
Number of Connectors:
Connection:
Type:
Attenuation Pad:
Filter:
Max Input Level (0 dB Pad):
(20 dB Pad):
(40 dB Pad):
Input Impedance (0dB):
(-20dB):
(-40dB):
Outputs:
Number of Connectors:
Main Output:
THRU Output:
Main Output Impedance:
Main Output CMRR (60 Hz):
(1 kHz):
(10 kHz)
Output Polarity:
Performance:
Bandwidth:
Frequency Response:
Phase Deviation (Input to Output):
Harmonic Distortion (THD+N):
Noise Floor:
Dynamic Range:
Power Supply:
Voltage:
Current:
Ground:
Physical:
Size (L x W x H):
Weight:
Construction:
Finish:
Active
1 Instrument/Line/Speaker level
1/4” TS (Tip Hot, Sleeve Ground)
Unbalanced, RF Filtered
Switchable: 0, 20, 40 dB
Switchable: Low Pass @ 6 kHz (40 dB pad position only)
+10 dBu typical @ 1 kHz with <1% THD
+30 dBu typical @ 1 kHz with <1% THD
+33 dBu
1 MΩ
65 kΩ
70 kΩ
2
Male XLR, Balanced, Pin 2 Hot
1/4” Unbalanced TS (Tip Hot, Sleeve Ground)
600 Ω typical, balanced
106 dB typical @ 60 Hz
123 dB typical @ 1 kHz
108 dB typical @ 10 kHz
Switchable: Normal / Invert
20 Hz to 20 kHz +0/-2 dB typical with 600 Ω load
20 Hz to 20 kHz +0/-1 dB typical with 2 kΩ or higher load
16 Hz to 30 kHz, -3 dB, with 600 Ω Load
10 Hz to 70 kHz, -3 dB, with 2 kΩ or higher load
+40 deg @ 20 Hz, -20 deg @ 20 kHz into 2 kΩ load
0.03% typical @ 50 Hz, 0 dBu
0.003% typical @ 1 kHz, 0 dBu
0.005%typical @ 10 kHz, 0 dBu
-112 dBu, 22 Hz to 22 kHz, unweighted
122 dB, 22 Hz to 22 kHz, unweighted
+48 V Phantom Power
< 8 mA
Switchable: Ground / Lift
5.82” X 5.44” X 2.20”
1.5 lbs. (0.68 kg)
Metal Casting
Powder Coat
dbx Professional
Products
8760 S. Sandy Pkwy.
Sandy, Utah 84070
801.568.7660 PHONE
801.568.7662 FAX
801.568.7583 INT’L FAX
customer@dbxpro.com
www.dbxpro.com
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