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FX Loop (Rear Panel)
Parallel, tube-driven circuit designed to accept signal processors. The
effect signal is mixed in with the original signal (rather than replacing it
entirely, as is the more common method, in a serial effects loop). This
ensures the purity of the original signal reMains Intact. For this reason,
we recommend that you set the wet balance on the effect device itself to
100%, and do the mixing of wet-to-dry by adjusting the FX-Level knob
on the amp.
FX Send (Rear Panel)
Sends the original or dry signal to the Input of your effect device.
FX Return (Rear Panel)
Receives the effect or wet signal from the output of your effect device.
FX Send Level (Rear Panel)
Adjust this control to make sure the level of signal you're sending to the
Input of the effect device is neither too hot nor too soft.
Footswitch (Rear Panel)
This jack accepts the included 3-way Footswitch, which lets you remotely
select Channels, Boost On / Off, and Master 1 / Master 2.
Speakers (Rear Panel)
The Duotone® features 4, 8 and 16-ohm connections for perfect
impedance matching. Its minimum impedance is 4 ohms (one 4-ohm
speaker or two 8-ohm Speakers).
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Standard Setup/Cable Connections
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Operating the Duotone®
Selecting Channels
You can activate either Channel of the Duotone® via the front panel
Channel SELECT button or via Footswitch. The red LED on the
Footswitch illuminates when the Overdrive Channel is selected. When the
LED is off, this indicates that the Clean Channel is active.
Overdrive Channel Boost Function
The Boost circuit is activated via the Boost switch on the front panel or
via Footswitch. When you activate Boost, the red LED on the Footswitch
lights up.
Master 1 and 2
Either of the two variable Master levels can be activated via Footswitch.
The red LED on the Footswitch lights up when Master 2 is selected.
When the LED on the Footswitch is off, this indicates that Master 1 is
active.
The Duotone® and Signal Processors
The Duotone® is equipped with a parallel effects loop, meaning the
original signal always comes through, and the processed signal is mixed in
with it.
Connecting effect devices:
•
Connect the FX SEND jack to the Input of your effect device and the
FX RETURN jack to the output.
•
Adjust the FX LEVEL control on the rear panel to match the Input of
your effect device.
When you're trying to dial in a suitable signal level, you'll find
that it's harder to come up with good results when you're using a
multieffects processor that features an on-board preamp (actually, any
kind of signal Boosting circuit) but does not allow you to patch signals
in after its preamp and in front of its effects section. The reason for this
is that when you have connected this type of processor to an FX loop,
the signal is being routed through two preamps in series. Effects devices
that are not equipped with this type of "preamp" are better suited for
use in conjunction with effects loops because response is more dynamic
and sound quality considerably better. If you happen to own one of these
everything-but-the-kitchen-sink boxes and understandably want to use it,
dial in the most dynamic Clean sound you can find on the effects device.
•
Dial in the desired balance between dry and wet signals via the FX
LEVEL knob located on the front panel of the amp.
If you choose not to connect an effects device to the effects loop,
you can instead use the RETURN jack for patching in the signal of
another instrument or tape deck (guitar, keyboard, drum machine, tape
player, etc.) for rehearsals or practice sessions. If you choose to use the FX
RETURN this way, use the FX-LEVEL knob to determine the balance of
levels between your guitar's signal and the connected signal source.
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