User Manual
5
Top & Rear Panel Descriptions
1. 1/4" Inputs: Connect a passive or active instrument to the Input jack. The -15dB jack is
recommended for use with instruments that include high output pickups or active electronics.
2.
SGT
™ On/Off: Turns the SGT ("Super Grit Technology™") overdrive circuit on/off.
3.
SGT
Grit: Adjusts the amount of "grit" or drive of the SGT circuit (RB-110, RB-112, RB-115, and
RB-210 only).
4.
SGT
Level: Adjusts the overall level of the SGT circuit (RB-110, RB-112, RB-115, and RB-210
only).
5. Volume: Adjust the amplifier's overall output level.
6. Ultra Hi/ Ultra Lo Switches: Boosts high or low frequencies. (RB-112, RB-115, and RB-210
only).
7. EQ Knobs: Boost or cut the levels at certain frequencies to enhance the sound.
8. Phones: Connect stereo headphones here.
9. Aux In: Analog input for an MP3 player or other music source.
10. Power Switch and Power LED: Turns the power on/off, indicated by the LED.
11. Balanced DI Out: Feeds the Post EQ, Post Volume, Post FX Loop signal to an external power
amplifier, mixer, or recording setup (RB-110, RB-112, RB-115, and RB-210 only).
12. Ground/Lift Switch: Connects the ground connection at the Balanced Output jack (RB-110,
RB-112, RB-115, and RB-210 only).
13. FX Loop Send Jack: Use a 1/4" unbalanced, TS cable to connect to the input of an external FX
processor (RB-112, RB-115, and RB-210 only).
14. FX Loop Return Jack: Use a 1/4" unbalanced, TS cable to connect to the output of an external
FX processor (RB-112, RB-115, and RB-210 only).
15. Footswitch Input: Turns the SGT overdrive circuit on/off using an optional TS footswitch
(RB-112, RB-115, and RB-210 only).
16. Extension Speaker Output: 1/4" TS output jack for connecting an external 8 Ω speaker cabinet
(RB-115 and RB-210 only).
17. Horn On/Off Switch: Turns the high frequency horn on/off (RB-210 only).
Getting Started
1. Read and understand the included Important Safety Instructions.
2. Make sure the Power switch is off before making any connections.
3. Push the included line cord securely into the amplifier’s IEC connector. Connect the line cord to
a grounded AC outlet. The amplifier may accept the appropriate voltage as indicated on the rear
panel.
4. Connect an instrument to the Input jack with a 1/4" (shielded) instrument cable.
5. With all controls fully off, turn the amplifier on by flipping the Power switch up.
6. While playing the instrument, adjust the Volume knob to the preferred level.
7. Adjust the EQ knobs to taste.