Full range speaker An exceptional piece of acoustic design, the A225-1 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 A225-1 Sub, all PSI Audio ‘A’ series speakers feature a frequency response roll-off function that, when combined with the A225-1 Sub, extends the frequency range down to an incredible 28 Hz, whilst maintaining a flat response. The two powerful class G outputs feature PSI Audio‘s unique “AOI” output stages, giving the A225-1 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 A225-1 is built with a two-box design, combining two cabinets into a single beautifully finished unit. Key Features • AOI system for superior impulse accuracy
• ALG system for ideal acoustic impedance adaptation
• Designed for stereo surround sound usage
• Double box cabinet design
• Class G low temperature amplifier stage
• Amplifier unit acoustically uncoupled from speaker cabinet
• Protection circuit for each driver and amplifier
• Outstanding SPL @1m 117 dB (peak half space)
• Bandwidth 28 – 120 Hz
• Flat frequency response +/- 2dB
• Magnetically compensated for use close to monitors
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PSI - A225-M
