Paradigm Reference Studio/100 v.2 loudspeaker Measurements part 3

In the time domain, the tweeter and midrange outputs are in negative polarity, as can be seen from the step response (fig.8). The lazy positive-going part of the trace at 4.5ms is due to the positive-polarity woofers. Note that the crossover and the time delay ensure that each drive-unit hands over smoothly to the next lower in frequency in this graph, which correlates with a smooth, flat frequency response. The cumulative spectral-decay plot (fig.9) is very clean, other than some low-level delayed energy at the top of the midrange unit's passband.

Fig.8 Paradigm Studio/100 v.2, on-axis step response at 50" (5ms time window, 30kHz bandwidth).

Fig.9 Paradigm Studio/100 v.2, cumulative spectral-decay plot at 50" (0.15ms risetime).

As we have come to expect from Paradigm, this is excellent measured performance at a very competitive price.—John Atkinson

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Woodbridge, Ontario L4L 3P5, Canada
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