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True to the Music
Radial Engineering Headbone Owner’s Manual
FEATURE SET
1. Input Buffered – This is the primary input for your guitar and pedal
effects that do not buffer (pre-amplify) the signal.
2. Input Direct – Used when driving the Headbone from a device, like
the Radial Loopbone, that buffers (pre-amplifies) the signal.
3. To Amp-1 Input – This is a ¼” hi-impedance guitar signal output that
connects from the Headbone to the input of the first guitar amplifier.
4. To Amp-2 Input – This is a ¼” hi-impedance guitar signal output
that connects from the Headbone to the input of the second guitar
amplifier.
5. Ground Lift – This recessed switch connects the ground to Amp-2. This
switch is factory set in a ‘lifted’ position to eliminate ground loops.
6. Slingshot Remote Input – This ¼” input is used to remotely control the
Headbone from your pedalboard using a standard contact closure foot-
switch or another Tonebone device that features a Slingshot output.
7. From Amp-1 Output – Connects from the first amplifier’s speaker
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