PPrroo--TTuubbee SSeerriieess
R.POWER - Switches power ON and OFF to theCC. POWER AMP IN - This input jack connects directly
amplifier. (Reduce the Oshock� to amplifier tubes atto the power amplifier, automatically disconnecting
power-up, extending their life span, by turning thethe preamp signal from the circuit. When using your
POWER switch ON with the STAND BY switchPro-Tube as an extension amp, connect the PRE-
DOWN for the first minute, then UP for normal use. AMP OUT jack on another Pro-Tube amp, to this
S.STAND BY - In the DOWN position, this switch putsjack. Control both units from the source amplifier.
the amp on stand by. Audio is muted and power isDD. F O OT S W I TC H JACK - Connect the supplied
supplied only to the tube filaments. Use STAND BY4�button Footswitch at this jack to enable these
in place of switching POWER OFF during shortFootswitching functions:
breaks (one hour max.). This eliminates the normal
warm-up time when STAND BY is switched OFF (UP)YSELECT Pre-Amp Channel*
YBYPASS/ENGAGEthe Effects Loop*
when returning to play the amplifier and also extends
the life span of your amplifierOs tubes.YSwitch Tremolo ON/OFF
T.IEC LINE CORD CONNECTOR - Connect theYSwitch Reverb ON/OFF
*Note: When the Footswitch is plugged into the
supplied IEC POWER LINE CORD to a grounded ACFOOTSWITCH jack, CHANNEL SELECT and EFFECTS
receptacle in accordance with the voltage and
frequency ratings as shown on the rear panel of theLOOP BYPASS/ENGAGE switching are possible only
amplifier.from the Footswitch.
EE.NLL. (See TUBE ADJUSTMENT on the next page.)
U.FUSE - Power Mains fuse, protects the amplifier
from electrical faults. Replace a failed fuse only withMM. EXTERNAL SPEAKER - Connect a 8 ohm external
the proper type and rating (See FUSE F200 underspeaker cabinet at this jack only if another 8 ohm
external speaker cabinet is connected at the MAIN
OSpecifications�). If a fuse repeatedly fails, consultSPEAKER jack (see MAIN SPEAKER and the OSpeaker
an authorized Fender service technician.Connection Guide� below for details).
V.OUTPUT POW E R - Selects output power:
Switch UP for 100-Watts, DOWN for 25-Watts.NN. MAIN SPEAKER - Keep the internal speakers
connected at this jack for normal amplifier operation
W.SEND - Controls the SEND jack output level.(4 Ohm Load). I M P O RTA N T: SPEAKERS MUST
X.SEND JACK - Output jack for connection to theALWAYS BE CONNECTED HERE WHEN THE UNIT
input jack of effects devices in an effects loop.IS SWITCHED ON TO PREVENT SERIOUS DAMAGE
TO THE UNIT.
Y.LOOP - This two position button engages/bypasses
the effects loop:Recommended alternate speaker configurations:
button OUT >to BYPASSthe effects loop*
Speaker Connection Guide
button IN >to ENGAGEthe effects loop
*Note: When the Footswitch is plugged into theThe MAIN SPKR and EXT SPKR jacks are wired in parallel,
FOOTSWITCH jack, effects LOOP BYPASS/ENGAGEtherefore the proper load of 4 ohms can be achieved with
switching is possible only from the Footswitch.speakers of 4 or 8 ohms connected in the following ways:
Z.RETURN JACK - Input jack for connection to the
output jack of an effects device in an effects loop.M A I NEXTERNAL T O TA L
AA. RETURN - Controls the RETURN jack input levelSPEAKER J A C KSPEAKER J A C KL O A D
going into the power amp.I n t e rnal 4 ohm+N O N E= 4 ohms
BB. PRE AMP OUT JACK - This output jack suppliesE x t e rnal 4 ohm +N O N E= 4 ohms
an unbalanced, line-level signal (with Reverb) to aE x t e rnal 8 ohm + E x t e rnal 8 ohm = 4 ohms
re c o rding/sound re i n f o rcement console, or to an
external power amplifier such as another Pro-Tube
amplifier used as an extension amp.
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