Tower Speaker Reviews

PSB Synchrony T600 Loudspeaker Review Test Bench

Test Bench

I conducted several in-room measurements using the Parts Express Omnimic measuring software and microphone, a $300 package that offers a usefully accurate response of a speaker at the main listening seat. The results shown here are for my room. All were taken at the single, seated, ear-level position. (Experience in my room has shown that an average of several readings, taken across a span of about 2 feet, differs little from the single position measurement apart from smoothing out small ripples.) All curves here are 1/6th octave smoothed.—TJN

721psb.fig1

Fig.1 Both curves are for the left channel only, with the PSBs driven full range and the subwoofers off. Blue shows the response with Audyssey disengaged, no Graphic EQ of any kind, and the Denon's Bass and Treble tone controls set to zero. The red curve again shows the left channel but with Audyssey engaged. Note that the responses overlap above 300Hz, confirming that, as intended, the Audyssey's response corrections are all below that frequency.

721psb.fig2

Fig. 2 The in-room responses of the left(red) and right (blue) channels with Audyssey engaged below 300Hz, no subwoofers.

721psb.fig3

Fig.3 The in-room responses of the left(red) and right(blue) channels with Audyssey engaged below 300Hz and two SVS PB-3000 subwoofers active, with both high- and low-pass filters at 80Hz. The Bass control here was set to -2 and the subwoofer level to +2 to produce the best audible result (the tone controls on other AVR models and brands may respond differently).

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Tower Speaker Reviews

PSB Synchrony T600 Loudspeaker Review Test Bench