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The three-strong twotwo range is British reference monitor manufacturer PMC’s latest foray into the powered nearfield market, combining the company’s Advanced Transmission Line (ATL) bass loading technology with sophisticated digital signal processing. The midnight-blue twotwo.5, twotwo.6, and twotwo.8 share the same core design and features, including a custom-designed 27mm precision soft-dome tweeter; the larger model numbers refer to the approximate size (in inches) of the bass driver, with the larger models providing higher SPLs and more bass extension. Connections include analogue phonos and XLRs as well as an AES3 digital input, which will handle all sample rates up to 192kHz. It’s therefore as easy to set up twotwos in a rehearsal room with a phono cable and a laptop as it is to connect them to a console in a studio. The onboard DSP engine optimises the response of the twotwo's drivers, maximises dispersion, and provides non-invasive protection using modelled excursion limiting. The built-in Class D dual-amplification system produces high-resolution audio with great headroom and detail. The twotwo series may be mounted vertically or horizontally without compromising tonal accuracy or stereo/surround imaging, making them ideal for use in situations where space is at a premium, such as in outside broadcast vehicles, project music studios, and post-production suites.

The PSI Audio A21-M high- powered active monitor is the jewel in the crown from the Swiss manufacturer, for any studio that wants that big monitor sound in a compact cabinet. Its highly optimised assets make it perfect for near, mid-field, and surround applications where ultimate precision flat monitoring is required. The powerful biamped Class G amplifier features two technologies in ‘AOI’ (Adaptive Output Impedance) and ‘CPR’ (Compensated Phase Response). The result is extremely low coloration and an impressively tight transient behaviour, even at low frequencies with correction of additive phase shifts and group delays inherent in conventional crossover filters

and mechanical transducers. This enables a precise stereo image and an accurate sense of space projecting a wide horizontal and vertical listening area. The electronics are housed in a unit mechanically isolated from the speaker cabinet to avoid resonance at high sound pressure levels. PSI Audio monitors provide detail and resolution across the bandwidth, and do so without any sense of fatigue even after hours of critical listening. Designed to work in harmony with the full range of A series monitors, the PSI Audio A21-M also makes an ideal front speaker in a surround setup, or can be part of a more powerful system by adding the A225-M sub. January 2014 37

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