| Source | Info |
|---|---|
| SoundStage | https://www.soundstage.com/revequip/rise39.htm |
| Ultimate Audio | https://www.lammindustries.com/reviews/ml2ultim.html |
| Audio Review | https://www.audioreview.com/reviews/Amplifier/product_3105.shtml |
| Absolute Sound | Absolute Sound: Jun 1999, iss 118, Valin |