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INPUT is a ¼" jack for instrument cables. Plug your guitar in here.
GAIN adjusts the signal strength coming out of the tonestack, and going into the second tube stage. Think of this as a
traditional gain control in a primarily clean amplifier.
BRIGHT is a high-frequency boost that can be used to add sparkle to your tone in both clean and overdrive modes. This high
frequency boost is more prominent as VOLUME is turned down. With the toggle switch in the UP position, BRIGHT is on and
at a maximum level. In the middle position, BRIGHT is off. The bottom position is BRIGHT on and provides mid-level bright
tone.
MID BOOST is a midrange-frequency boost. You can use this to add fatness to your tones, or even make single coil guitars
sound thicker and less scooped. With the toggle switch in the UP position, MID BOOST is on and at a maximum level. In the
middle position, MID BOOST is off. In the DOWN position, MID BOOST is on and provides a mid-level midrange boost.
DEEP is a bass-frequency boost. You can use this to add subharmonics and girth to your tones. Engaging this switch with
single-coil guitars will produce an absolutely stunning piano-like response on the lower strings. With the toggle switch in the UP
position, DEEP is on. In the DOWN position, DEEP is off.
TREBLE adjusts the high frequency response for both clean and overdrive modes. At near-maximum settings, you may also
notice an increase in gain.
MIDRANGE adjusts the mid frequency response for both clean and overdrive modes.
BASS adjusts low frequencies in your amplifier for both clean and overdrive modes.
SEND (REVERB) controls the amount of signal fed into the unique three-tube reverb circuit in the Joyful Music! amplifier. The
SEND control will impact the nature of the decay of the reverb, as well as the overall intensity of the reverb circuit. Generally,
turning the SEND control clockwise will increase the time of the reverb trail, creating a longer, more "springy" reverb quality.
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