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HomepageMonitoringSubwoofers › PSI Audio SUB225M - Black
PSI Audio SUB225M - Black

An exceptional piece of acoustic design, the A225-M sub-woofer/bass extension is equally suited to use as a mono sub-woofer in a surround systems or as a bass extension in stereo.

An exceptional piece of acoustic design, the A225-M sub-woofer/bass extension is equally suited to use as a mono sub-woofer in a surround sound application or as a bass extension in a stereo system. Designed to work in harmony with the A225-M Sub, all PSI Audio 'A' series speakers feature a frequency response roll-off function that, when combined with the A225-M Sub, extends the frequency range down to an incredible 24 Hz, whilst maintaining a flat response.
The powerful class G outputs feature PSI Audio's unique "AOI" output stages, giving the A225-M an unprecedented impulse behavior. Each driver and amplifier unit is secured by a protection circuit, which is monitored by a red LED on the front panel.
The electronics are housed in a unit mechanically isolated from the speaker cabinet to avoid resonance at high sound pressure levels. To provide stability and avoid cabinet resonance A225-M is built with a double-box design, combining two cabinets into a single beautifully finished unit.
  • Built in anti-resonance system in a double box cabinet.
  • Class G low temperature amplifier stage.
  • Amplifier unit acoustically uncoupled from speaker cabinet.
  • Real balanced input with outputs for satellite systems.
  • Protection circuits with overload indicator.
  • Designed for stereo and multichannel monitoring.
  • Magnetically shielded for use close to video monitors.
  • Phase and amplitude response compatible with all PSI Audio monitors.
  • AOI Technology.
  • CPR Technology.
  • PSC Technology.
  • Specifications
  • Power RMS: 200 W
  • Program Power: 300 W
  • Input Impedance: Sym, 10k Ohms
  • Sensivity for 100 dB @ 1m: 0.775 V
  • Signal to Noise Ratio: 116 dBA
  • Continuous Max SPL@1m: 111 dB (single)
  • Input Overload: 24 Vpp
  • Program Max SPL@1m: 116dB / half space
  • Response at -6dB: 24 - 100 Hz
  • Tolerances: ±2 dB (28Hz - 65Hz)
  • Distortion THD: less than 1.5% (50Hz-200Hz)
  • System: 1 Way
  • Crossover frequency: 90Hz
  • Woofer's dim. Ext. / Diaphragm: 2x Ø 258 mm / Ø 210 mm
  • Connectors: 2 x XLR F / 2 x XLR M
  • Signal input: 1=GND, 2=(+), 3=(-)
  • Material: MDF / double box
  • Dimensions W x H x D mm: 320 x 700 x 500
  • Gross / Net Weight: 43.1 / 38.4
  • Voltage: 115/230V (50-60Hz)
  • Consumption Standby-Quiescent-Max: 1.7 - 4 - 200 W
  • Mean / Max Humidity: less than 75% / less than 90%
  • External Temperature: 5 - 40°C
  • Reviews
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    Free shipping in Canada. Conditions
    Additional information
    For more information about the SUB225M - Black, please visit the website of PSI Audio
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