Bookshelf Speaker Reviews

Elac Uni-Fi Reference UBR62 Surround Speaker System 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 of them were taken at the single, seated ear position about 10 feet from the speakers, not an average of several positions. (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.

322elac.fig1

Fig.1 Elac UBR62 Left only, no subs. Red without Audyssey, blue with Audyssey below 300Hz.

322elac.fig2

Fig.2 Elac UBR62 with both Audyssey (below 300Hz) and 2x SVS PB3000 subwoofers. Red is the left channel, blue is the right channel.

The graphs here are for the L/R Elac UBR62s. Fig.1 is for the left channel only, without subwoofers. Red is without Audyssey, blue is with Audyssey used only below 300Hz. The latter is obvious from the graph in which the two curves overlap so precisely above that frequency that they can't be seen separately. Audyssey here corrected for room-related peaks between 100Hz and 200Hz and slightly but usefully extended the Elac's response between 50 and 60Hz.—TJN

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