Average| Source | Info |
|---|---|
| Secrets of Home Theater & High Fidelity | https://www.hometheaterhifi.com/volume_10_1/nht-evolution-t6-speakers-01-2003.html |
| SoundStage | https://www.soundstage.com/revequip/nht_evolution_t6.htm |
| Stereophile | Stereophile: Apr 2005, vol 28, iss 4, Atkinson |
| Stereophile | Stereophile: May 2005, vol 28, iss 5, Atkinson |
| IAR | https://www.iar-80.com/page103.html |
| Stereophile Guide to Home Theater | https://www.guidetohometheater.com/speakersystems/111/ |