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
