Average| Source | Info |
|---|---|
| Stereophile | Stereophile: May 2001, vol 24, iss 5, Scull |
| Stereophile | https://stereophile.com/tubepreamps/354 |
| Secrets of HT & HiFi | https://www.hometheaterhifi.com/volume_14_2/lamm-l2-preamplifier-6-2007-part-1.html |
| Superior Audio | https://www.enjoythemusic.com/superioraudio/equipment/1105/lamml2preamplifier.htm |
| Positive Feedback | https://www.positive-feedback.com/Issue16/lamml2.htm |