Ampeg J-12T Especificações Página 2

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MODEL J-12TMODEL J-12T
GUITAR ACCORDION
VOLUME
0
1
2
3
4
5
6
7
8
9
10
ON
OFF
TONEB
0
1
2
3
4
5
6
7
8
9
10
SPEED
0
1
2
3
4
5
6
7
8
9
10
INTENSITY
TREMOLO
0
1
2
3
4
5
6
7
8
9
10
JET II
T DIMENSION
REVERB
0
1
2
3
4
5
6
7
8
9
10
1 2 3 4 5 6 7 8 9
Thank you for selecting the Ampeg Classic Jet guitar amplifier. Revived from the sixties and ready for the nineties, this easy-to-use
amplifier represents Ampeg’s quest to provide you the finest instrument amplification systems available. In order to get the most
out of your new amplifier, please read these instructions before its use.
THE FRONT PANEL:
1. Guitar Input accepts a stan-
dard 1/4” instrument plug from
your electric guitar. This input is at
0dB level.
2. Accordion Input accepts a
standard 1/4” instrument plug from
high output electronic instruments.
This input is padded 6dB to com-
pensate for higher output sources.
3. Volume controls the overall out-
put 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
character of the amplifier. Rotating
the knob toward the “T” increases
the higher frequencies, giving a
brighter, more “crisp” sound.
Rotating the control towards the
“B” 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.
6. Tremolo-Intensity sets the
depth of the tremolo effect. For
slow, smoother vibrato effects try
the Intensity control at around 6
and the Speed control at 1. For the
really wild sounds, crank the
Intensity up towards 8 (or beyond)
and go from there.
7. Reverb-Dimension controls
the amount of reverberation
applied to the signal. With the con-
trol at the “0” position there is no
reverb applied; as the control is
turned towards “10” the amount of
reverb increases accordingly.
8. Power light indicates the ampli-
fier is turned on by glowing an iri-
descent blue color.
9. Power switch is used to turn
the amplifier on and off.
THE REAR
PANEL:
10. Power cord connects the
amplifier to a suitable source of
A.C. voltage. This is a grounded,
three-wire cord and must be con-
nected to a properly grounded out-
let. DO NOT attempt to defeat
the ground connection of the
power cord! If your amp was pur-
chased outside of the United
States, see the sticker next to the
A.C. connector for its power rat-
ings. Follow the above guidelines.
11,12. Power Tubes: EL84 /
6BQ5 (2)
13. Power Amp Phase Splitter
Tube: 12AX7A / 7025 (1)
14. Preamp Tube: 12AX7A / 7025
(1)
Replace tubes ONLY with same
types! Refer to enclosed publica-
tion about Tubes and Tube
Amplifiers for additional informa-
tion.
The Front Panel:
10 11 12 13
14
(Reverb cables:
do not disturb)
(Reverb cables:
do not disturb)
The Rear Panel:
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