Tdl Reference Standard. Tdl reference standard loudspeaker stereophile review december 1989. On audiogon the high end audio community.
Other transmission line speakers. The world s largest high end audio community. These group or specialist laboratories can be identified by a code assigned to reports.
In the december 1989 vol.
The quality of these laboratories is recognised by ukas or similar accrediting bodies for the laboratories outside the uk. On audiogon the high end audio community. The conversation begins and ends here. 4 way 7 driver loudspeaker system.
