Speaker A/B & A+B Select Switch; Fx Loop Switches & Controls; Externaltrigger - 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
EXTERNAL TRIGGERS:
samplers or anything that will accept either momentary or tip-to-ground logic as a control language. By connecting a cable from the
unit you wish to control to these jacks you may control the status of the device(s) by hitting the EXT TRIG button located in the center
HANDBUILT
2x6L6
L
offer or electric IN PETALUMA
No user-
2xEL34
2x
Refer CALIFORNIA, USA A
sonnel
EL34
T
2x
C
6L6
H
NORMAL
I
PROGRESSIVE
N
LINKAGE
G
CH 4
10% 90%
A
FTSW FTSW MI MIX DIODE
P
U
L
S
E
B
TUBE-TRACKING
RETURN 2
RECTO SPKR
EXT. TRIGGERS
NOTE: Unshielded (speaker cable will work) cable is recommended for the control lines used in the EXTERNALTRIGGER applica-
tions. If you have only shielded cable, this will suffice until such time that you can obtain unshielded cable.
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.
These two jacks provide trigger ports for the remote control of external effects devices, drum machines,
of the Footcontroller. As mentioned, there are two types of logic and each has a separate jack so that
one button can control two devices.
PULSE triggers a "one-shot" momentary type pulse that will control virtually anything requiring mo-
mentary pulse logic.
LATCHING connects the tip-to-ground and latches them in this state until the
another keystroke, at which time the tip is unlatched from ground.
(Continued)
latches latches them in this state until the
unlatched unlatched from ground.
PAGE 21
EXTTRIG EXTTRIG button receives EXTTRIG button receives

EXTERNALTRIGGER

EXTERNALTRIGGER applica-