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located adjacent to the loop. This switch engages the Loop SEND and RETURN jacks, SEND LEVEL
Control, OUTPUT and SOLO Control and all associated circuitry. When LOOP BYPASS is selected (switch down) the entire Loop is
removed from the signal path and the individual Channel MASTER Controls become your final output level controls. This HARD BYPASS
feature allows you to use your
ACE in all its raw glory in the studio where processing will
be added later on a separate channel and you need every ounce of pure, unfiltered, Tone
for a magical performance.
To use the FX LOOP, start by using premium quality shielded cables of the shortest possible
length (preferably no more than 3 feet).
1) Connect the SEND to your processor’s INPUT.
2) Connect the RETURN to your processor’s OUTPUT.
3) Set the two Channels to your dedicated sounds and levels using the Channel MASTER Controls.
4) Select LOOP IN on the LOOP Select switch.
5) Set your processor’s INPUT Level control for unity gain.
6) After playing in the two channels, Adjust the Rear Panel SEND LEVEL to achieve a good unity gain peak level (remember that
clean sounds will peak a bit higher because of their more dynamic, less compressed nature).
7) Adjust the Front Panel OUTPUT Control to the desired playing volume.
8) Connect the Footswitch (to the Front Panel FOOTSWITCH jack, select SOLO and adjust the SOLO Control for the desired amount
of volume boost.
You will find the FX LOOP a welcome feature for all rack type processing and when good quality cables are used and kept to a length
of 3 feet or less, you will notice very little if any degradation in the sound of your
ACE.
NOTE: Because the FX LOOP is wired in series with the main signal, it is very important that you choose processing devices that
are of professional grade quality from reputable manufacturers. In a series configuration, your amplifiers sound will depend on the
integrity of the processor’s input and output stages, because you have inserted something into the heart of the most sensitive place
in your amplifier.
USING THE FX RETURN AS A POWER AMP INPUT:
You may, at times, wish to use the ACE as a stand alone power
amp for amplification of processing or as half of a larger stereo rig. Because of the channel and mode specific changes that take place
internally you will want to follow the suggestions below for the best results.
1) The FX LOOP SELECT switch must be set to LOOP IN (Loop engaged).
2) The FX LOOP RETURN jack is the INPUT to the power section. This jack bypasses the entire preamp including the GAIN and all
the Tone Controls.
3) The OUTPUT is your level control.
RETURN SEND
SEND LEVEL
FX LOOP
LOOP IN
HARD BYPASS
AL L T UB E
AM P LI FI E
R
®
REAR PANEL: Controls & Features (Continued)
FX LOOP: (Continued)
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