dbx Pro 231 specifications Inputs, Function Switches, Outputs, Power Supply, System Performance

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231

Dual Channel 31-Band Graphic Equalizer

Inputs

 

THD+Noise:

<0.004%

Connectors:

1/4" TRS, female XLR (pin 2 hot)

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

Type:

Electronically balanced/unbalanced, RF filtered

 

 

Impedance:

Balanced 40kΩ, unbalanced 20kΩ

Function Switches

 

Max Input Level:

>+21dBu balanced or unbalanced

EQ Bypass:

Bypasses the graphic equalizer section in the signal path

CMRR:

>40dB, typically >55dB at 1kHz

Low Cut:

Activates the 50Hz 12dB/octave high-pass filter

 

 

Range:

Selects either +/- 6dB or +/- 12dB slider boost/cut range

Outputs

 

 

 

Connectors:

1/4" TRS, male XLR (pin 2 hot)

 

 

Type:

Impedance-balanced/unbalanced, RF filtered

 

 

Impedance:

Balanced 100Ω, unbalanced 50Ω

Power Supply

 

Max Output Level:

>+21dBu balanced/unbalanced into 2kΩ or greater

Operating Voltage:

100VAC 50/60Hz, 120VAC 60Hz, 230VAC 50/60Hz

 

>+18dBm balanced/unbalanced (into 600Ω)

Power Consumption:

15W

 

 

Mains Connection:

IEC receptacle

System Performance

 

 

 

Bandwidth:

20Hz to 20kHz, +0.5/-1dB

 

 

Frequency Response:

<10Hz to >50kHz, +0.5/-3dB

Note: Specifications subject to change.

Dynamic Range:

108db

 

 

Signal-to-Noise:

90db

 

 

 

 

 

 

dbx engineers are constantly working to improve the quality of our products. Specifications are, therefore subject to change without notice.

FOR MORE INFORMATION CONTACT: dbx Professional Products 8760 S. Sandy Pkwy. Sandy, Utah 84070 Phone (801) 568-7660 Fax (801) 568-7662 customer@dbxpro.com http://www.dbxpro.com

The Professional’s Choice In Signal Processing

A Harman International Company

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Contents 231 Inputs Function SwitchesPower Supply Outputs

231 specifications

The DBX Pro 231 is a dual-channel, 31-band graphic equalizer designed to optimize audio performance in live sound and installed sound applications. Recognized for its impressive versatility and robust build, this device is a staple in professional audio setups. The Pro 231 offers comprehensive control over the frequency spectrum, allowing sound engineers to fine-tune audio outputs with precision.

One of the standout features of the DBX Pro 231 is its 31-band equalization across the 20 Hz to 20 kHz frequency range. Each channel's 31 bands provide extensive control, enabling users to address specific frequency issues or shape sound to fit various acoustical environments. The sliders are laid out in a user-friendly format, making adjustments intuitive even under pressure during live performances.

Additionally, the DBX Pro 231 is equipped with balanced XLR inputs and outputs, ensuring minimal signal loss and interference. The device also utilizes high-quality components capable of handling high sound pressure levels (SPL), making it suitable for both small venues and large concert halls. The inclusion of a bypass switch allows engineers to toggle between processed and unprocessed signals, facilitating easy comparisons and quick adjustments without disrupting the overall sound mix.

In terms of technological advancements, the DBX Pro 231 includes LED output level meters, providing visual feedback to monitor signal levels effectively. This feature is crucial for sound engineers to prevent clipping and distortion, especially during high-energy performances. Moreover, the unit incorporates a hard-wired power supply that enhances reliability, ensuring consistent operation throughout its use.

With a rugged steel chassis and reinforced front panel, the Pro 231 is built to withstand the rigors of touring and daily use. Its straightforward layout, combined with its durable construction, means that it fits seamlessly into both permanent installations and mobile sound rigs.

Overall, the DBX Pro 231 is an exceptional tool for any audio professional. Its blend of advanced equalization capabilities, robust design, and user-friendly interface ensures that it can tackle the demands of any sound environment, delivering high-quality audio results consistently. For engineers seeking reliability and performance, the DBX Pro 231 is an essential addition to their audio toolkit.