Speaker A/B & A+B Select Switch; Fx Loop Switches & Controls; Tuner Mute - Mesa/Boogie Dual Rectifier Road King II Amp Owner's Manual

REAR PANEL CONTROLS & FEATURES
SPEAKER A / B & A + B SELECT SWITCH:
the signal to either one or both of the Speaker Output jacks. The default setting would be considered "A" and therefor the dummy
shorting jack that protects the output transformer is connected to the "B" Output and should remain so until you connect a speaker
load to this output.
2x6L6
PLEASE READ THE SPEAKER OUTPUT SECTION AS IT CONTAINS INFORMATION PERTAINING TO YOUR
2xEL34 4x
2x
EL34 6L6
2x
2xEL+
WARRANTY, as well as information to help you utilize this feature to its full potential without damaging your
6L6
4x6L6
PROGRESSIVE
amplifier.
LINKAGE
CH 4
A
DIODE
A
+
B
NOTE: Do not use the SPKR A + B selection when two 8 Ohm cabinets are each connected to the two 4
B
TUBE-TRACKING
SPKR
RECTO
Ohm OUTPUTS of each Speaker Output Bank. Using a 2 Ohm load puts an excessive strain on the power
tubes and will cause them to wear out unusually fast.
LOOP 1 & LOOP 2 SELECT SWITCHES:
FECTS LOOPS and determine their status in the signal path. Once the LOOPS have been engaged, their Channel specific status
CH 4
A
DIODE ON
A
+
B
B
OFF
TUBE-TRACKING
RECTO SPKR LOOP 1 LOOP 2
TUNER:
This output provides a Rear Panel interface for connection of a tuner.This way, the important, toneful relationship between
your instrument's pickups and the Road King's all tube Input stage remains direct and uncompromised.The output level of the TUNER
OUT jack is optimized for this application.
HANDBUILT
2x6L6
offer or electric IN PETALUMA
No user-
2xEL34
2x
Refer CALIFORNIA, USA
E
sonnel
EL34
X
2x
T
6L6
NORMAL
M
PROGRESSIVE
U
LINKAGE
T
CH 4
E
10% 90%
A
FTSW FTSW MIX MI DIODE
O
U
T
B
TUBE-TRACKING
RETURN 2
RECTO SPKR
TUNER
the master switcher using the eight ¼" jacks on the Rear Panel labeled EXT SWITCHES (adjacent to the King Controller Input DIN
jack and Channel Select Rotary). All sounds and features would then be triggered (usually under programs) from the master switcher.
The Tuner Mute Function must be connected in the same way, but in its location separate from the other EXT SWITCH jacks (between
the Channel Strips and the Loop). All External Switch jacks including the EXT MUTE jack respond to grounding type (tip to ground)
logic to control their functions.
As mentioned earlier in the SPEAKER OUTPUT section, this mini toggle assigns
These two mini toggle switches in each of the Channels assign the two Series EF-
is sent to the Front Panel FX LOOPS LED indicators that sit between the pairs of Channels for
at-a-glance monitoring of their status. See the EFFECTS LOOPS section for more information
on the LOOPS.
ON
NOTE: Remember that the EFFECTS LOOP must be engaged in the EFFECTS LOOP section
OFF
of the Rear Panel for signal to be routed via these switches.
The King Controller footswitch provides a "silent tuning" feature via a switch labeled TUNER MUTE.
When this switch is triggered, all sound through the speakers is muted so you can tune the instrument
without annoying bandmates, engineers or an audience.
EXT MUTE: This jack controls the Tuner Mute function when the Road King Footcontroller is not go-
ing to be used as the main access to the King's sounds and features in favor of an external master
switching system. In this scenario, all Channels, Reverb, SOLO and LOOPS would be patched in to
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