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REAR PANEL FUNCTIONS
[1] A.C. POWER :
INPUT- Power cord input. The amp is equipped with a worldwide power supply.
It is possible to rewire for selecting one of two voltages, 115 or 230
inside the amp. Either of these voltages will work worldwide with minor
power differences. The amp will work on either 50 or 60 hertz. After
rewiring MAKE SURE FUSES ARE REPLACED WITH PRINTED
RATINGS ON REAR OF AMP.
FUSE - Both fuse and spare fuse are located within the cap of the fuseholder.
Fuse sled can be removed with a screwdriver. If the fuse should fail, IT
MUST BE REPLACED WITH THE SAME TYPE AND VALUE IN ORDER
TO AVOID DAMAGE TO THE AMP AND TO PREVENT VOIDING THE
WARRANTY.
If the amp repeatedly blows fuses, check for a bad power tube. If tube-
failure is not the cause, the amp should be taken to a qualified service
center for repair.
WARNING: ONLY A QUALIFIED TECHNICIAN SHOULD ATTEMPT AN INPUT
VOLTAGE CHANGE. PERSONEL INJURY OR EQUIPMENT DAMAGE MAY
OCCUR IF DONE INCORRECTLY.
WARNING: THE FUSE SHOULD ONLY BE REPLACED WHEN THE POWER
CORD HAS BEEN DISCONNECTED FROM ITS POWER SOURCE.
[2] CHANNELS SWITCH : Selects the Clean, the Pre-EQ or the Post-EQ
Overdrive channel if the Footswitch is not connected.
[3] FOOTSWITCH CONNECTOR : Provides an input for the FOOTSWITCH and
automatically disconnects the Channels Switch [2].
THE FS-5 FOOTSWITCH
The Footswitch is equipped with five switches:
- three CHANNEL switches for selecting the Clean channel, the Pre-EQ
Overdrive channel or the Post-EQ Overdrive channel (red LED indicators).
- a SOLO/RHYTHM switch for activating (green LED on) or bypassing the
RHYTHM VOLUME control [11].
- a REV/FX switch for switching the Parallel Effects Loop on/off (yellow LED).
Thus functioning as a Reverb on/off switch or, if an effects unit is plugged in to
this loop, as an Effects on/off switch [5].
[4] PARALLEL EFFECTS LOOP SEND (TO FX) : This jack provides a buffered
mono output from the preamp and can be used in conjunction with the
RETURN (FROM FX) [5] jack as a patch point for external effects units. (see
CONNECTION DIAGRAM page.)
[5] PARALLEL EFFECTS LOOP RETURN (FROM FX) : This jack disconnects
the internal spring reverb and inputs external (effects) signal via the REV/FX
MIX control at the front panel directly to the power amp where it is mixed with
the original dry signal from the preamp.
IF THIS LOOP IS USED, DIRECT SIGNAL MUST BE TAKEN OFF THE
EFFECTS UNITS SIGNAL FOR EXAMPLE WITH ITS DRY/WET MIX CONTROL.
[6] SERIAL EFFECTS LOOP SEND (TO FX) : This jack provides a buffered
mono output from the preamp and can be used in conjunction with the
RETURN (FROM FX) [7] jack as a patch point for external effects units. (see
CONNECTION DIAGRAM page.)
[7] SERIAL EFFECTS LOOP RETURN (FROM FX) : This jack inputs external
(direct+effects) signal directly to the power amp and automatically disconnects
the preamp.
NOTE: The EFFECT LOOPS operate on a -10dBV SIGNAL LEVEL which
guarantees compatibility with both instrument-level effects like floor-pedals and
guitar-processors, as well as line-level effects like professional 19 inch rack
mount devices.
NOTE: If the connecting of an effects unit to the MULTITONE causes hum, a
ground-loop may be the reason for it. This ground-loop may be eliminated by
isolating or disconnecting the effects units earth from the mains sockets earth.
[8] TRIODE/PENTHODE POWER SWITCH : Selects half (triode) or full
(penthode) output power. In the Triode position the amp also has a more
vintage tone.
[9] SPEAKER OUTPUT JACKS : Provided for connection of speaker(s) or
speaker cabinet(s) with a minimum total impedance of 4, 8 or 16 ohms.
[10] RECORDING OUTPUT : ThIs jack provides a mono output from the power
amp and includes Reverb and External Effects signals. The signal is derived
from the speaker output and filtered by a special Speaker Simulating Filter
which simulates the sound coming from the speaker. Now the signal can be fed
directly to a recording or sound reinforcement mixer while the amp will sound
as if it is miked.
POWER TUBE OPTIONS
Each type of power tube has its own distinctive sound character, therefore
changing to a different type (or mix of types) of power tubes also changes your
amp's overall sound.
50W VERSION
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