dbx iEQ-31 User manual

8760 S. Sandy Pkwy.
Sandy, Utah 84070
Phone [phone]
Fax [phone]
Int’l Fax [phone]
[email protected]
http://www.dbxpro.com
A Harman International Company
18-0295 -A 3/03
iEQ 31
TM
Dual 31-Band Digital Graphic Equalizer/Limiter with TYPE V™ NR and AFS™
®
With an EQ heritage that has produced countless industry-standard patents and
dates back more than 30 years, the dbx iEQ-31 easily lives up to the dbx®lega-
cy of uncompromised sonic integrity. In addition to unsurpassed equalization
specs, the iEQ-31 also offers the built-in necessities which include AFS™ feed-
back Suppression, Type V™ noise reduction and PeakStopPlus®limiting.
Besides including two 31-band channels of 1/3-octave equalization, the iEQ-31
also offers +12 dB input gain range; switchable +6 or +15 dB boost/cut range,
40mm faders, XLR, 1/4'' and Euroblock inputs and outputs, nonconductive
nylon sliders; and an intuitive user interface with comprehensive output and
gain reduction metering. As always, the inevitable result of our meticulous
attention to detail and top-quality componentry is exceptional sound, perfor-
mance, and reliability.
The iEQ series represents a major step forward in the performance of graphic
equalizers. The iEQ series is now able to offer state-of-the-art digital EQ per-
formance and specs with an analog look and feel. From its amazing 10Hz to
22kHz frequency response, to its 113dB dynamic range and Advanced Feedback
Suppression (AFS™), dbx proprietary Type V™ noise reduction and
PeakStopPlus®limiting, the iEQ-31 offers out of this world specifications with a
down-to-earth price point. Sure to find a home in the studio, on tour and with
installed sound venues, the iEQ-31 is destined to take its rightful place in the
lineage of great dbx®signal processors that are the professional’s choice in sig-
nal processing. With such pristine design and quality, the iEQ-31 offers the max-
imum sonic flexibility in a straight forward interface and rock-solid construction.
For more information please visit us at: www.dbxpro.com.
• Advanced Feedback
Suppression (AFS™)
• Type V™ Noise Reduction
• PeakStopPlus®Limiting
• 1/3-octave Constant Q
frequency bands
• Switchable boost/cut ranges
of ±6 or ±15 dB
• 18 dB per octave 40Hz low-
cut filter
• ±12 dB input gain range
• XLR, TRS and Euroblock
Inputs and Outputs
• Internal Toroidal
Transformer
• Dynamic range of greater
than 113dB
• User Power Up Features
• Relay Bypass for Power
Failure System Protection

Inputs
Connectors: 1/4” TRS, female XLR (pin 2 hot), and Euroblock
Type: Electronically balanced/unbalanced, RF filtered
Impedance: Balanced 40kΩ, unbalanced 20kΩ
Max Input Level: +22dBu balanced or unbalanced
CMRR: >40dB, typically >55dB at 1kHz
Outputs
Connectors: 1/4” TRS, male XLR (pin 2 hot), and Euroblock
Type: Balanced/unbalanced, RF filtered
Impedance: Balanced 120Ω, unbalanced 60Ω
Max Output Level: +20dBu balanced/unbalanced into 2kΩor greater
System Performance
Frequency Response: 20Hz to 20kHz, +0.5/-0.25dB
Dynamic Range: >113dB, “A” weighted
THD+Noise: 0.003% typical at +4dBu, 1kHz
Interchannel Crosstalk: <-80dB, 20Hz to 20kHz
Noise Reduction: Up to 10dB of dynamic broadband noise reduction
Digital Resolution: 24 bits
Sample Frequency: 48kHz
Latency: 2msec
Function Switches
AFS™: Activates dbx AFS™ Advanced Feedback Suppression
TYPE V™ NR: Activates dbx Type V™ Noise Reduction
EQ Bypass: Bypasses the graphic equalizer section in the signal path
Low Cut: Activates the 40Hz 18dB/octave Bessel high-pass filter Range
Range: Selects either +/- 6dB or +/- 15dB slider boost/cut range
Indicators
Output Level: 4-LED bar graph (Green, Green, Yellow, Red) at -10, 0, +10, and +18dBu
Gain Reduction: 4-LEDbargraph (all Red) at 0, 3, 6, and 10dB
Type V™ NR: 1 LED: yellow, green or red
EQ Bypass: 1 LED: red
Clip: 1 LED: red
Low Cut: 1 LED: red
+/-15dB: 1 LED: red
Power Supply
Operating Voltage: 120VAC 60Hz, 220-240VAC 50/60Hz
Power Consumption: 17 Watts
Mains Connection: IEC receptacle
Physical
Dimensions: 5.25” H X 19” W X 7.9” D (13.4cm x 48.3cm x 20.1cm)
Weight: 9.25 lbs.
Shipping Weight: 10.25 lbs.
iEQ 31
Dual 31-Band Digital Graphic Equalizer/Limiter with TYPE V™ NR and AFS™
™
dbx engineers are constantly working to improve the quality of our prod-
ucts. Specifications are, therefore subject to change without notice.
FOR MORE INFORMATION CONTACT:
dbx Professional Products
8760 S. Sandy Pkwy.
Sandy, Utah 84070
Phone [phone]
Fax [phone]
[email protected]
http://www.dbxpro.com
A Harman International Company
The Professional’s Choice In Signal Processing™