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1. Guitar Input accepts the output from
your instrument by means of a shielded
signal cable. This input signal to this jack
is not attenuated and accommodates
instruments with standard output signals.
If your instrument has a strong output
signal, use the Accordion Input (#2).
2. Accordion Input accepts the output
from your instrument by means of a
shielded signal cable. The signal to this
jack is attenuated 6dB to accommodate
instruments with stronger output signals.
3. Volume controls the overall output
level of the amplifier. At lower volume
settings the sound will be clean. As you
push the volume higher and crank your
guitar the sound becomes distorted.
4. Tone controls the overall tonal charac-
ter of the amplifier. Rotating the knob
toward the “T” (“Treble”) increases the
higher frequencies, giving a brighter,
more “crisp” sound. Rotating the control
towards the “B” (“Bass”) reduces the
high frequencies, giving a darker, more
“muffled” sound. The Tone control offers
a cut or boost of 30dB at 4kHz.
5. Tremolo-Speed sets the rate at which
the tremolo effect “vibrates.” The
Tremolo-Intensity control (#6) must be
turned up to hear the effects of this
knob’s setting.
The Front Panel:
MODEL SJ-12T
GUITAR ACCORDION
VOLUME
0
1
2
3
4
5
6
7
8
9
10
TONE
B
0
1
2
3
4
5
6
7
8
9
10
SPEED
0
1
2
3
4
5
6
7
8
9
10
TRE
SUPERJET
T
54321