Test Bench: Genelec Play 6020 Home Theater Speaker System

In the lab

Frequency response (at 2 meters) front left/right 94 Hz to 20 kHz ±3.8 dB center 94 Hz to 20 kHz ±3.4 dB surround 94 Hz to 20 kHz ±3.4 dB subwoofer 33 Hz to 116 Hz ±2.8 dB Bass limits (lowest frequency and maximum SPL with limit of 10% distortion at 2 meters in a large room) front left/right/center/surround 80 Hz at 78 dB subwoofer 25 Hz at 90 dB SPL 93 dB average SPL from 25 to 62 Hz 97.1 dB maximum SPL at 62 Hz bandwidth uniformity 95%

All of the curves in the frequency-response graph are weighted to reflect how sound arrives at a listeners ears with normal speaker placement. The curve for the left/right front channels reflects response of the 6020A averaged over a ±30° window. The center-channel curve reflects response of the satellite averaged over ±45°, with double weight directly on-axis of the primary listener. The surround-channel curve shows the response of the 6020A averaged over ±60°.

Measurements were taken with the speaker mounted on a 6-foot stand which gives anechoic results to approximately 200 Hz, and at a full 2 meters, which emulates a typical listening distance, allows larger speakers to fully integrate acoustically, and, unlike near-field measurements, fully includes front panel reflections and cabinet diffraction.

The 6020A exhibited unusually flat on-axis response and excellent directivity, which means that all listeners will receive the same sound no matter what seat they choose. Notice that the left/right, center and surround traces are virtually identical, with only a small high frequency reduction off axis for the center and surround traces. There is also a treble peak just above 20 kHz that gives the speaker a rise in the top octave. Otherwise the frequency response fits inside a ± 2.5 dB window below 13 kHz. However the bass response drops, or rather doesn't increase in a linear fashion, when the speaker is driven hard.

Operating control functionality sometimes varied significantly from their markings. While the Treble Tilt cut frequencies above 6 kHz by 1.7 dB and was close to its rating of -2 dB above 5 kHz, the Bass Tilt was close to rating only at the -2 dB marking (-3.2 dB below 2 kHz.) The -4 dB setting actually cut low frequencies by 9.7 dB, and at the -6 dB setting was -12 dB referenced to 200 Hz.

Subwoofer

The 5050A Subwoofer bass limits were measured with it set to maximum gain and placed in the optimal corner of a 7,500-cubic-foot room. In a smaller room users can expect 2 to 3 Hz deeper extension and up to 3 dB higher sound-pressure level (SPL).

The subwoofer's crossover slope measured a very steep 48 dB-per-octave above 116 Hz. While overall dynamic capability was modest, it was relatively well distributed. For example, while the average SPL over the 25-62 Hz range was just 93 dB, the 5050A could still deliver 90 dB at 25 Hz.

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