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RedPlate RP50R Operations Guide
Tweed Volume & Tone
The first 2 controls make up the Tweed Preamp section which is designed to produce the
classic Tweed tone.
Volume – This control sets the break up point and volume level of the Tweed channel.
Tone – Treble is emphasized at settings past 5, more bass at the lower numbers. When pulled
it reduces girth for the Brownface era tone. The Brownface setting can be switched back to Tweed
from the footswitch via the MID button. The tone control can be bypassed for a girth/volume jump
by pressing the Boost button on the footswitch (see the Other Features section of this manual).
Volume – Volume level for the Blackface preamp . Pulls to enable the channel when the
footswitch is not connected (see the Other Features Section of this manual).
Treble Control - Adjusts highs (also upper midrange when the Mid Boost is engaged).
Middle Control – Controls the amount of Midrange frequencies, somewhat interactive with
the Bass Control. Pulls to enable "Deep" which scoops some midrange frequencies and
emphasizes Bass (makes your electric sound more like an acoustic).
Bass Control – Sets the amount of low end. Can be rotated to zero where it clicks off for a full
tone stack lift.
Mode Selector – A six position rotary switch, it steps through 5 progressively fatter positions of
the midrange center frequency and adds a stack lift of the Middle control for even more midrange in
position 6.
The Drive section controls the amount of character to add to the preamp tone. The section's
range of effect can be just a hint of early break up or a full on aggressive heavy metal distortion.
Gain Control – Bypasses the section when rotated to zero, this control sets the amount of
signal for the first gain stage of the section. Low settings are smoother and higher settings are
more aggressive.
Drive Control – Sets the amount of distortion by controlling the level between the 2 gain
stages of the section. Pull this control to shift into more gain and girth for the distortion (SHIFT).
Level Control – Sets the output volume of the section. Higher settings are "bigger" and more 3
dimensional. Pull this control for a reduction of extreme highs (HI CUT feature).
TWEED PREAMP SECTION
BLACKFACE PREAMP SECTION
Volume Treble Middle Bass Mode
DRIVE SECTION
Gain Drive Level
2
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