Source | Info |
---|---|
Absolute Sound | Absolute Sound: Aug 2003, iss 143, Markwell |
Positive Feedback | https://www.positive-feedback.com/Issue22/airtight_211.htm |
Stereophile | https://stereophile.com/tubepoweramps/687 |
Stereophile | Stereophile: Oct 2002, vol 25, iss 10, Deutsch |