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bypass capacitor, while those with 0.022uF have a bypass capacitor.. We invite you to try
different combinations! 0.68uF (Left), None (Middle), 330uF (Right).
TREBLE adjusts the high frequency response
V1B is a 2 way switch which selects the value of the V1B coupling capacitor. Some Plexis
come with 0.022uF, while some with 0.0022uF. Usually, this difference also comes with
difference at other sections, for example, the V2A bypass capacitor, or the lack of it. We
invite you to try different combinations! 0.022uF (Left), 0.0022uF (Right).
VOLUME I sets the overall volume and gain of the "BRIGHT" channel of the amp.
BRIGHT is a 3 way selector which selects the bright capacitor value for the Bright channel.
You can select none (Middle), 100pF (Right), or 1000pF (Left).
VOLUME II adjusts the overall volume and gain of the "NORMAL" channel of the amp.
JUMPER is a push pull switch on the VOLUME II control above. When this is pulled, it will
"jumper" the channels, thus blending them together. Both Volume I and Volume II are used,
to determine the amount from each channel, when jumpering.
INPUT I and II are ¼" jacks for instrument cables. Plug your guitar in here. Use the I input
for the BRIGHT channel. The BRIGHT channel has more gain, more treble, and a more
prototypical Plexi tone. The UPPER I input is higher gain, whereas the LOWER I input is
lower gain. Use the II input for the NORMAL channel. The NORMAL channel is much
darker, lower gain, and has an abundance of lower frequencies. The UPPER II input is
higher gain, whereas the LOWER II input is lower gain.
4) REAR PANEL CONTROLS
From left to right:
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