Presence:
Adjusts the amount of high frequencies. Turning it clockwise will
add more cut and sparkle.
Bass:
Adjusts the amount of low end. Turning it clockwise increases the
amount of low frequencies, giving you a fuller tone. Turning it
counter clockwise will reduce the effect and tighten up the bottom-
end, useful when performing at louder volumes.
Middle:
Adjusts the midrange. Turning it clockwise increases the amount
of mids, giving your tone a fatter response. Turning it counter
clockwise will produce a mid-scooped sound.
Treble:
Adjusts the top end. Turning it clockwise increases the amount of
treble, giving your tone clarity and brightness. Turning it counter
clockwise will produce a warmer sound, excellent for dialing in
smooth fluid-like lead tones.
Volume I:
Adjusts the overall output level of Channel I.
Volume II:
Adjusts the overall output level of Channel II.
Offers the following three-positions:
OFF:
Power is switched off
HI:
On, normal operation
LOW:
Changes the SL-68’s feel from tight and aggressive to
spongy with a smoother attack, excellent for solo playing.
NOTE:
Dimming of the power indicator light in LOW mode is normal.
Stand-By:
With the Power switch in the OFF position and the Standby switch
in the Standby position, flip the power switch to ON. Wait sixty
seconds, then flip the Standby switch to the ON position.* To power
down, simply switch the power switch to the OFF position.
* This will prolong tube life.
NOTE:
To avoid loud popping or damage, ensure the amplifier is in the Standby position.
Power Selector Switch:
TONE CONTROLS
