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Hold your AirHead so that controls are facing you and the rubber battery door is up.
Across the front of the AirHead are a number of connections and controls.
1. Headphone Jack-
On the far left is one of two headphone jacks that fit any 1/8”
(mini) headphone plug. (An adapter is needed if your headphones are terminated to
a 1/4” plug.)
2. Power Switch-
The first switch on the left is the power switch. Turn the power switch
to the right, to ON, in order for the amp to function (for both battery pack or AC power).
In order to avoid battery drain, the power switch should be set to OFF when not using
the amp.
3. Power LED-
To the right of the power switch is the green power LED, which indicates
whether the unit is ON (lit) or OFF (unlit).
4. Volume Control-
Just to the right of the power LED is the volume control. Rotate the
volume control to the left to increase volume, and to the right to decrease volume. If
using different pairs of headphones with your AirHead, different headphone efficien-
cies will most likely mean that the volume level will need to be adjusted to achieve
adequate sound levels in the headphones.
5. Clipping Indicator-
The clipping indicator flashes when the amp doesn’t have
enough voltage to drive the headphones. This can happen at peak passages when
listening at a fairly loud level and/or with high impedance headphones. It will also
flash when the batteries get too low in voltage to drive the headphones. Mainly, when
the clipping indicator starts to flash at music peaks, it’s time to change the batteries.
Learn more about the Clipping Indicator on page 9.
6. Crossfeed Switch-
To the right of the clipping LED is the crossfeed switch. Turn the
switch to the right to the ON position, and the HeadRoom Crossfeed is engaged (for
normal stereo headphone listening). In the OFF position, the Crossfeed is bypassed
(for listening to mono or binaural recordings). Learn more about HeadRoom Crossfeed
on page 8.
7. Headphone Jack 2-
On the far right is the second headphone jack. You can connect
two headphones to the AirHead at the same time. It’s best to use the same type of
headphone, as the volumes will be somewhat different unless both headphones are
the same efficiency.
Getting to Know Your Total AirHead Amplifier
