The Royalist MKIII has two identical foot-switchable channels (A & B). Each channel
has an independent volume (gain) control, three position “Era” voicing switch and
independent attenuator rotary control. Both channels share the same tone controls
and presence control.
Selects channel A or B when footswitch is not being used.
The two independent volume controls (A&B) adjust the amount of gain in the preamp
circuit. Each volume control has a PULL FAT feature, which when pulled allows more
low-end frequencies in the first preamp gain stage.
These controls should be familiar, as they operate in the same way as most other guitar
amplifiers, with the Treble knob controlling the high frequencies, the Bass knob
controlling the low frequencies, and the Midrange knob controlling the frequencies
between bass and treble.
The Royalist MKIII is a non-master-volume design, which means that overdrive and
distortion are generated by both the preamp and power amp in certain predetermined
proportions. This makes it relatively easy to dial in the amount of overdrive and
distortion you want – it’s all under control of the single Volume knob.
The Presence knob adjusts the level of very high frequencies (those above the range of
the Treble control) and does it in a way that is slightly different than the Treble control.
As you turn the Presence knob up, the level of those very high frequencies is increased,
as you would expect. But, the presence control also has an effect on the “feel” of the
amp as well. At higher settings, the amp is punchier and more “raw” sounding, while at
lower settings is less “spiky”, with a more “compressed” feel.
It’s a good idea to get used to the specific effect of the Presence control, as it can really
help to dial in your sound for a particular room or setting. As a general rule, you may
find it appropriate to set the presence control higher in larger rooms, but keep it rather
low at home.
The 1964, 1967 and 1970 three-position “era” voicing switch on each channel allows
you to choose the particular preamp, tone stack and negative feedback (power amp)
from three of the most popular vintage British amps.
1964 - delivers a balanced treble response, lower gain, and less aggressive attack of a
vintage JTM45 or Bluesbreaker.
1967 - delivers the crisp treble response and aggressive attack of a vintage “Plexi”.
1970 - this highest gain setting on the Royalist MKIII delivers the raging “Super Lead”
sound.
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