Standard Aby Setup - Radial Engineering Tonebone SWITCHBONE V2 User Manual

BASELINE BUFFER
The Baseline™ buffers the signal, lowering
noise by lowering the impedance. High
impedance
susceptible to picking up stray magnetic
fi elds and radio frequencies. Once the
signal is buffered, you can essentially drive
the cable a much longer distance when
using a quality coaxial cable.
The Baseline buffer circuit inside the Switchbone V2 is the very same
one used in our top-of-the-line Radial JD7 Injector™. This is not made
using integrated circuits with thousands of transistors and huge amounts
of negative feedback to compensate. Instead, individual (discrete)
transistors are carefully deployed in a Class-A confi guration to deliver
a precise gain stage while eliminating as much negative feedback in
the circuit as possible. The resulting tone is pure, clean and natural
sounding.
A selector switch allows the Switchbone V2 buffer to be set to unity gain
when in the bottom PRE-SET position or it may be adjusted to suit when
pushed up to the VARIABLE position. This Baseline setting can be used
to drive the front end of your amp harder for extra kick. This is particularly
effective when using older vintage amps that often do not have sensitivity
and drive controls.
Start by listening to the pre-set Baseline level. This is set to unity gain
to deliver the same output level as whatever guitar signal is sent in.
Move the slider switch to ADJUST and start by setting the Baseline fully
counter-clockwise. Try increasing the level by slowly turning using a
guitar pick as a screwdriver. You will notice your amp will break up a little
sooner. The Baseline is able to drive your amp with an extra +12db of
gain... so be careful... too much of a good thing may lead to unwanted
distortion!
POWER BOOSTER
Having a power booster at the end of your
signal chain lets you turn any setting on
your pedalboard into solo mode. You could
be playing rhythm with slight crunch, a
chorus and a delay and then, with a single
foot stomp, elevate the output for a lead
passage.
Radial Engineering Ltd.
circuits are much more
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Switchbone V2

STANDARD ABY SETUP

To test the signal path, connect your guitar to the INPUT and OUT-A to
your main amp. Check to make sure the OUT-A LED is illuminated. Turn
up your guitar and then turn up your amp slowly to ensure the signal is
passing. You can now connect your second amp and test by toggling
between the two amps using the middle AB footswitch. For fun, combine
both amps using the BOTH footswitch.
You will note that when you hit the BOTH footswitch, one of the LEDs will
begin to fl ash. This TOGGLE mode function is designed to let you know
in advance what will happen when you hit the BOTH footswitch again
whereby the fl ashing LED will be the one that goes off. You can toggle
the fl ashing LED by depressing the AB selector footswitch so that when
you return to single amp playing, you can ensure the amp that you want
on will be the one that is active.
Example:
When amp 1 is on, the channel A LED next
to the TOGGLE switch will be lit.
Depress the BOTH switch and the 2nd
channel is now activated. The new channel
LED will fl ash.
Hit the TOGGLE footswitch and the fl ashing
LED will toggle between the two channels.
To go back to single channel operation,
depress the BOTH switch again and the
fl ashing channel will go off.
Radial Engineering Ltd.
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Switchbone V2