Applied Research and Technology (ART) 351 Specification

351 EQ

31-BAND 1/3 OCTAVE GRAPHIC EQUALIZER

T

he Model 351 31-Band 1/3 Octave Graphic Equalizer may be used in a vari-

ety of applications such as live sound, recording studios, instrument racks, DJ
sound systems and fixed equipment installations. Designed to interface into any
audio system, the Model 351 is a powerful tool for solving audio problems and
creating interesting sound textures.

The Model 351 possesses a long list of impressive features including: constant Q
circuitry, 20mm center detent sliders (with a selectable boost/cut range of 6dB or
12dB), balanced XLR and 1/4” and unbalanced RCA input and output connec­tions, adjustable high pass and low pass filters, variable input level controls, sig­nal clip level indicators, ground lift switch, internal power supply and selectable

line voltage switch. The rugged, all-steel constructed chassis occupies 1U rack

spaces and is intended for installation into standard 19” equipment racks.

The 351 31 Band EQ has the features and performance you need for any of your
audio applications requiring precise equalization. For the latest in equalizer tech­nology today, check out the 351 at your favorite A R T dealer.

FEATURES:

SINGLE CHANNEL

31-BAND GRAPHIC

EQUALIZER

CONSTANT-Q FILTERING

BALANCED XLR, ACTIVE

BALANCED 1/4”, AND

UNBALANCED RCA INPUT

AND OUTPUT

CONNECTORS

VARIABLE HIGH-PASS AND

LOW-PASS FILTERS

+/- 6DB OR +/-12DB

LEVEL ADJUSTMENTS

20MM CENTER DETENTED

FREQUENCY BAND SLIDERS

INDEPENDENT LEVEL AND

BYPASS CONTROLS PER

CHANNEL

DESIGNED FOR YEARS OF

CONTINUOUS, RELIABLE

PERFORMANCE

RUGGED ALL STEEL

CONSTRUCTION

ONE YEAR WARRANTY

L R

Stereo Mix

High Output

Channel Insert

Send

To Input of 351

From Output of 351

Channel Insert

Return

High Output

Low Outputs

~ Using in a 2-Way Speaker System ~

~ In the Insert of a Mixer ~

SPECIFICATIONS:

Dimensions: 1.75”H x 19” W x 8.5” D
Weight: 4.5lbs. (2.5kg)
Frequency Bands: 31, 1/3 octave, ISO spacing

Filter Type: Constant Q - 3% center accuracy
Slider Travel: 20mm w/ positive center detent
Range: +/-6dB or +/-12dB selectable

High Pass Filter 10Hz to 250Hz, 12dB/oct
Low Pass Filter 3kHz to 40kHz, 12dB/oct
Input Connections: Active balanced XLR and 1/4” TRS

{XLR pin 2, 1/4” tip = Hot (+)}
Unbalanced RCA

Input Impedance: 20k ohms (bal), 15k ohms (unbal)
Max. Input Level: +22dBm
Output Connections: Active balanced XLR and 1/4” TRS

{XLR pin 2, 1/4” tip = Hot (+)}
Unbalanced RCA

Output Impedance: <150 ohms (typ)
Max. Output Level: +18dBm (bal), +22dBm (unbal)
Frequency Response: 20Hz to 20kHz, +0.5dB
THD + Noise: 0.01%
Signal to Noise Ratio: -94dB
Power: (Switchable) 95-130VAC, 50/60Hz, 22 watts (USA)

190-250VAC, 50Hz (USA)

Warranty One Year

APPLICATIONS:

Live Sound Systems/ PA
Permanent/ Fixed Installations
Church, Club and Practice PA Systems
DJ Sound Systems
Monitor Systems
Home and Project Recording Studios

APPLIED RESEARCH AND TECHNOLOGY, INC. 215 TREMONT STREET, ROCHESTER, NY 14608 USA
Vox: 716.436.2720, Fax: [phone], http://www.artroch.com

Features and specifications subject to change without prior notice.
1997 Applied Research and Technology, Inc. 000-102-351

351 EQ

SPECIFICATIONS