AMPEG J12R Owner's Manual

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THE FRONT PANEL:

1. Guitar Input accepts
a standard 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 compen­sate for higher output
sources.

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. Treble adjusts the
output level of the high
frequency and offers a
cut or boost of 30dB at
5kHz.

5. Bass adjusts the out­put level of the low fre­quencies and offers a
cut or boost of 16dB at
50Hz.

6. Reverb-Dimension

controls the amount of
reverberation applied to
the signal. With the con­trol at the “0” position
there is no reverb
applied; as the control is
turned towards “10” the
amount of reverb
increases accordingly.

7. Power light indicates
the amplifier is turned on
by glowing an iridescent
blue color.

8. Power switch is used
to turn the amplifier on
and off.

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.

JET II

5

6

MODEL J-12R

1 2 3 4 5 6 7 8

GUITAR ACCORDION

4

0

VOLUME

7

8

9

10

3

2

1

5

6

4

0

TREBLE

7

8

9

10

3

2

1

5

6

4

3

2

1

10

0

BASS

REVERB

5

6

4

7

3

8

2

1

9

10

0

DIMENSION

7

8

9

OFF

ON