M.POWER—Switches the unit ON-OFF.
N.IEC POWER INPUT SOCKET—Connect to a grounded outlet in accordance with the correct Voltage Selector {P} setting for your location. When you travel outside your country, make sure you have a power cord compatible with each destination.
O.FUSE—Protects the amplifier from electrical faults. Only replace a blown fuse with the type and rating specified for the correct Voltage Selector {P} setting. Install the cor- rect fuse when you change the Voltage Selector setting and before connecting the power cord. To replace the fuse, first remove the power cord, then use a screwdriver to pry the fuse holder out from the input socket.
P.VOLTAGE SELECTOR—Set according to the local power supply before connecting the power cord.
Q.STEREO/MONO MODE—Selects the mode of operation for your Acoustasonic Ultralight amplifier. Turn the unit OFF before switching modes and change speaker con- nections before turning the unit back ON.
R/S. RIGHT & LEFT SPEAKER OUTPUTS—Connect one of the following speaker configurations:
•An Acoustasonic Ultralight Stereo Enclosure—set the mode switch {Q} to Stereo, then connect the speaker to the Right {R} output using the supplied 4-conductor Speakon® cable. NOTE: Do NOT use the Left {S} output with this setup to avoid overloading the unit.
•Right/Left channel speakers, each 4-ohms minimum— connect to Right {R} and Left {S} outputs using 2–conduc- tor cables, each with a Speakon® plug on one end and a plug matching the speaker input on the other end.
•Right/Left channel speakers, each 4-ohms minimum— connect BOTH speakers to the Right {R} output using a cable (adapter) that has a 4-conductor Speakon® plug on one end and two, 2-conductor plugs matching the speaker inputs on the other end. NOTE: Do NOT use the Left {S} output with this setup to avoid overloading the unit.
CAUTION: Speaker outputs have 20 volts 
present on BOTH conductors and the ampli- fier will shut down if either one comes into contact with a grounded surface.
Any exposed metal on plug jackets must 
not touch ground when speaker cables are connected; use insulated (plastic) plug jackets whenever possible.
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SPEAKER
OUTPUT
DIAGRAM
T.LINE OUTPUT—Balanced XLR output for connection to sound equipment.
•Ground Lift: 
Press IN to disconnect the ground con- nection (pin 1) which may reduce noise caused by non- standard wiring. 
Normally leave Ground Lift OUT.
•Line Out Level: Adjusts signal strength to accommodate the input sensitivity of external equipment.
U.FOOTSWITCH—Plug the included footswitch to enable remote effects on-off switching for each channel, as indicated by the footswitch LEDs. Connect the footswitch using an unshielded speaker cable rather than an instru- ment cable whenever possible.
V.TUNER OUT—Connect your tuner here. Press Tuner/ Mute {J} on the front panel for silent tuning.
Recommended Enclosure: The Fender®
Acoustasonic™ Ultralight Stereo Enclosure
(Part Number: 227-1700-000)
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