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ADA Final Phase

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The A/DA Final Phase represents the latest in phase shifter technology. The   FINAL PHASE is capable of producing a very broad range of sound colorations,   dramatically enhancing the effect of any amplified musical instrument, voice or   percussive instrument.

Electronic phasing takes place when a signal is divided, one half slightly   delayed, then remixed with the original signal. This “delay” only occurs at   certain frequencies and is referred to as phase shift (when the delay occurs at   all frequencies, the effect is called flanging). When the phase shift of the   delayed signal differs by 180 degrees relative to the original signal, a   cancellation, called a notch, is generated when they are remixed. The FINAL   PHASE generates 5 notches, which when moved back and forth across the sound   spectrum, for example, produces the classic rotating speaker effect.


The 2009 Reissue A/DA Final Phase is designed by the original designers of   the late 1970s A/DA Final Phases using very similar parts and exactly the same   parts in the all-analog signal path.  The differences between your Reissue Final   Phase and the original A/DA Final Phases are:

- The Reissue has true “hardwire” bypass and the originals did not. - The   Reissue Overdrive (distortion) has been re-voiced to get a more modern sounding   distortion, while keeping the original distortion tone and feel by backing off   the new Overdrive Control. In effect we have added an “11” to the Overdrive.  As   you approach the maximum setting, the bass resonance increases and the highs   become more complex. - The printed circuit board (PCB) has a different   layout, but is all through-hole design, using full-size carbon film resistors   and precision polyester film capacitors for the highest quality signal path.   There are no surface mount components in your Reissue Final Phase.

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