ZT Amplifiers Junior LBJ1 - Manual (Page 3)

Top Panel Features
1. INPUT Jack – Plug in your instrument here. The input can take a wide range of instrument
signal levels based on how you set the GAIN control.
2.
GAIN Control – Controls the amount of input signal to the amplifier. Turn this up for overdrive
and distortion.
3. TONE Control – Turning the knob to the left will increase bass and decrease treble. Turning the
knob to the right will increase treble and decrease bass. Leave the knob centered for the most
neutral tone.
4.
VOLUME Control – Controls the master volume of the amplifier.
5.
Pilot Light – LED that indicates the amplifier is on.
Rear Panel Features
6. Headphone/Line Out Jack – Stereo
⅛ inch (3.5 mm) jack to drive headphones or send a line out
to monitoring or recording equipment.
7. Internal Speaker Switch – Turns on or off the internal 5 inch (130 mm) speaker. Use this for
quiet practicing with headphones.
8.
Aux Input – Stereo ⅛ inch (3.5 mm) input for music or other audio. The GAIN control has no
effect on this signal but VOLUME and TONE do.
9. 12V DC Input – Power the Lunchbox Jr. of an external 12V battery or through your car’s
cigarette lighter.
Polarity: Center-positive
10. 9V DC Output – A 9V output to power your effects pedals without needing extra batteries or AC
adaptors.
Polarity: Center-negative 500mA maximum
11. Power Switch – Turns the Lunchbox Jr. on or off.
12.
Fuse – Protects the amplifier from electrical faults. Always replace with the correct fuse type as
indicated on rear panel.
13. AC Power Jack – Plug in your detachable AC power cable here.
14. Voltage selector – To select between the mains voltages of different electrical systems. Check
to make sure this is set correctly before you use your amplifier and contact your dealer or
ZT Amplifiers directly if you have any questions. Setting the voltage incorrectly will cause
permanent damage to the amplifier.