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RedPlate Savoy Operations Guide
VOLUME – Volume for the lower gain channel. Typical setting is between 10 and 1 o'clock
but experimentation is encouraged.
GAIN – Sets the amount of breakup desired. Typical setting is around 12 o'clock for low
gain tones and around 3 o'clock for higher gain tones but experimentation is encouraged.
LEAD – Volume for the high gain channel. Typical setting is between 10 and 1 o'clock but
experimentation is encouraged, rotate above zero to activate or it can be switched on or off
with the footswitch.
LEAD GAIN – Sets the amount of breakup desired for the LEAD channel.
TREBLE – Adjusts the balance of high and low frequencies.
MIDDLE – Controls the amount of Midrange frequencies, somewhat interactive with the
Bass Control.
BASS – Sets the amount of low end.
PRESENCE – The presence circuit uses global negative feedback to remove low frequencies
which frees up bandwidth for more midrange and highs. The effect of this control is altered by the
setting of the DEPTH control (See below for details).
DEPTH – Works within the presence circuit to adjust the contour of negative feedback,
higher settings allow more low bass to come through.
MASTER – This is an active control and actually adds gain at the higher settings. The cleanest
tones are achieved at settings below 2 o'clock.
STANDBY/OPERATE SWITCH – This switch allows the tubes to warm up before operating the
amplifier. Wait 1 minute after power on to move it up to the operate position. For improved tube life
and performance do not leave the amplifier in Standby position for longer than 20 minutes (better to
just leave it in operate mode during performance intermissions).
IEC Module – contains the main power switch, power cord inlet connector and the MAINS fuse.
To access the fuse(s) use a small flat blade screwdriver in the notch at the side of the power cord
inlet connector, the drawer snaps out in a rearward direction. The Savoy uses the smaller GMA or
European (5mm X 20mm) fuses. A time delay variety (SLO-BLO) is recommended for the MAINS
fuse observe back panel recommended fuse value.
50 WATT / 18 WATT Switch – This switch does not really change the power output of the
amplifier but makes the amp break up much sooner in 18 watt position.
Bias adjustment and bias test point – Allows external access for bias adjustment (see bias
procedure in the Maintenance section).
LINE OUT – A line level signal jack derived from the speaker output which contains the whole
tone of the amplifier.
Speaker Jacks – The MAIN and EXT jacks are wired in parallel. The MAIN jack must be used
first because it has a protection device. ALWAYS HAVE A SPEAKER CONNECTED TO AVOID
PERMANENT AMPLIFIER AND OUTPUT TUBE DAMAGE.
Impedance Selector Ω - Set this to the total impedance of all attached speakers.
SEND and RETURN Jacks – The send jack connects to the input of an external effects device
and the return jack connects to the output of an external effects device. The return jack interrupts
the signal path so the external effects unit must mix the wet and dry signals.
Humbucker / Single coil Switch – Sets the amount of bass gain in the input stage, useful for
matching the amplifier to the guitar type.
REAR PANEL SECTION
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