Headphone Jack - Johnson Vintage B70 Instruction Manual

7
TREBLE CONTROL
Used to shape the amplifier's tone by adjusting the high-end fre-
quencies.
8
TAPE-IN CONTROL
Used to connect a tape or CD player. Excellent for play-along
practice, songwriting, or listening to playback from a recorder.
9

HEADPHONE JACK

Used for private listening. Uses a 1/4" jack connector.
(Speaker disengaged when headphone jack is in use.)
10
LINE OUT JACK
Used connect the the amp to a house soundboard, a recording
console, an electronic tuner, or an external power amp.
11
POWER ON/OFF INDICATOR
LED glows when the unit is turned on.
12
POWER SWITCH
This switch turns the unit ON and OFF.
13
POWER AMP JACK
Used to connect to the line level output of an external effects
device.
14
PREAMP OUT JACK
Used to connect to the line level input of an external effects device.
This jack may also be used as a direct, unbalanced "send" for
recording, etc.
15
TWEETER ON/OFF SWITCH
This switch turns the tweeter ON and OFF . It is used to shape
your sound by trimming higher frequencies.
16
EXTERNAL SPEAKER JACK
Used to connect an external speaker cabinet (minimum imped-
ance rating of 8 ohms) to the amp.
3