4
Adjusting Speaker Controls
To set input sensitivity
You can match the input sensitivity of your speakers to your output source device by adjusting the Input sensitivity knob
.
To set tone controls
You can use the Attenuation switches
to adjust the bass roll off (LF) and treble tilt (HF) of your speaker. The following
graph illustrates how bass roll off and treble tilt affect the free field response of your speaker.
• Make sure that the Power LED does not light up in red when you adjust the Input sensitivity knob.
• Adjust the input sensitivity to your speaker to match the source signal in order to avoid unnecessary clipping of the output
signal.
Scales for input sensitivity control
dB
dBu
V
This is the input sensitivity
scale in decibels as shown on
the back panel of your
speaker.
For balanced professional use,
the recommended input
sensitivity level is +4dBu.
An input sensitivity of 0.66V
will result in maximum output
only when the Input sensitivity
knob is turned fully clockwise.
DON Analog Localized.book Page 4 Monday, September 5, 2005 11:48 AM
