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1. Speaker Outputs: Power output is 500 watts with a total minimum speaker load of 4 ohms. For full power, use two
8-ohm speaker cabinets in a parallel configuration or a single 4-ohm cabinet. A single 8 ohm cabinet may be used but
less output power will be received by the speaker.
Note 1: Do not attempt to use two 4-ohm cabinets, as this will result in a total impedance load of 2 ohms, which could
damage the amplifier.
Note 2: For user convenience, the KXB500 provides one Speak-On connector and one standard ¼-inch connector.
2. Balanced Line Out: This electronically balanced XLR jack is used to connect the amplifier to a mixer or other line level
device. The Pre/Post EQ switch selects the output at this jack.
3. Pre/Post EQ: This switch selects whether the Balanced Line Out signal is taken before or after the EQ circuits.
4. Line Out Volume: This control sets the output level for the Balanced Line Out. Set in its lower-to-middle ranges until
the necessary volume has been determined.
5. Ground Lift: Activating this switch removes the ground connection on the Balanced Line Out jack. If necessary, use
this switch to eliminate hum.
6. Effects Loop Send: Use this ¼-inch jack to connect to the input of an external effects processor or equalizer. It will
effectively accommodate a wide range of effects, from pedals to rack-style. This jack may also be used as a Preamp
Out.
7. Effects Loop Return: Use this ¼-inch jack to connect to the output of an external effects processor or equalizer. This
jack may also be used as a Power Amp In. When used as a power amp in, the master control is active.
Note: The KXB500's effects loop may be switched in and out with an external footswitch. (See Footswitch below for
details.)
8. Tuner Out: Use this jack to connect a tuner or other instrument-level device. It is electronically buffered and isolated
from the amp's input so it does not affect the amp's tonality in any way when in use.
9. Footswitch: When used with a double-function footswitch such as the Kustom KACFS2B, the Mute function and
the Effects Loop may individually be turned on and off. Note: If the KXB500 is used with a standard single-function
footswitch and a mono cable, the Mute feature will be operational and the Effects Loop will be continuously ON.
(However, if a single-function footswitch is used with a stereo cable, the Effects Loop will be bypassed.)
10. AC Power Cord Receptacle: To provide electrical power to the amplifier, insert the AC cord (provided) firmly into the
AC receptacle. The AC power cord may be removed for easy storage, or replacement if damaged. Replace it if protective
jacket is damaged or ground pin is damaged or removed.
KXB500 Back Panel
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