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16)
INPUT ¼” instrument jack
INDICATOR will illuminate when the Chupacabra is powered by turning the front panel POWER toggle switch to the ON
position. If INDICATOR does not turn on, check your power cable connections, and then the fuse on the rear of the unit.
POWER two-way toggle switch powers the Chupacabra on and off. With the toggle switch in the UP (“0”) position, the
Chupacabra is OFF. In the DOWN (“1”) position, the Chupacabra is ON.
STANDBY applies high voltage to the vacuum tube anodes (and screen grids) during use of the Chupacabra. To ensure long
tube life, first power the unit on with the toggle switch in UP (“0”) position for approximately 30 seconds. Then switch to DOWN
(“1”) to use the Chupa. With the toggle switch in the UP position, the Chupacabra is in STANDBY mode. In the DOWN
position, the Chupacabra is in OPERATE mode
RESONANCE adjusts the low frequency response of the power amplifier using negative feedback. Use this control to add
depth, punch, and “thump” to your tone.
PRESENCE adjusts the high frequency response of the power amplifier using negative feedback. Use this control to add
sparkle and clarity to your tone.
BASS adjusts low frequencies in your amplifier.
MIDRANGE adjusts the mid frequency response.
TREBLE adjusts the high frequency response.
MASTER sets the overall volume of your amplifier.
ERA provides 3 tonal options. You can think of this covering 3 different decades of tone. In the middle position, the amplifier
will be cleaner, less compressed, and very woody. We consider this our late ‘60s mode, as it very accurately captures the
