QUAD ESL-989 - Manual (Page 8)

8
CARE AND MAINTENANCE
The grille cloth may be cleaned with a soft brush or a hand held vacuum cleaner.
They are protected against the ingress of dust etc. Periodic servicing at two year
intervals is recommended to keep your speakers in pristine condition. Great care
has gone into the selection of materials to ensure long term stability under a wide
range of temperatures and humidity. In countries where the relative humidity
regularly exceeds 90% it is recommended that the listening room be air conditioned
for optimum performance.
CONNECTION PANEL
ESLmanual Feb02 11/02/04 9:14 AM Page 8