ART Dual 31 Band Equalizer (Model 355)

The Model 355 Dual 31-band, 1/3-octave Graphic Equalizer may be used in a variety 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 355 is a powerful tool for solving audio problems and creating interesting sound textures.

The Model 355 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, 1/4 in., 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 2U rack spaces and is intended for installation into standard 19" equipment racks.

The 355 Dual-Channel, 31-Band EQ has the features and performance you need for any of your audio applications requiring precise equalization.

Features
Dual-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

1-year warranty

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

Technical Info

Dimensions (H x W x D): 3.5 x 19 x 8.5 in.

Weight: 9.0 lbs. (4.1 kg)

Frequency Bands: 31, 1/3-octave, ISO spacing

Filter Type: Constant Q - 3% center accuracy

Slider Travel: 20mm with 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 (balanced), 15k ohms (unbalanced)

Maximum 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)

Maximum 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) 90-250VAC, 50Hz (USA)

Warranty: 1 year