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OVERVIEW
Congratulations on your choice of the Rectifier® Badlander™ 25, and Welcome to the MESA/Boogie Family! The
amplifier you have chosen represents decades of research and refinement, and we sincerely hope it will bring
your playing and your music to new levels of inspiration and enjoyment!
The Badlander is the latest in a long line of iconic Rectifier products that carry the tradition of high performance,
high gain forward with tighter low end, a more aggressive midrange character, and enhanced harmonic content.
This tonal updating is due to an all-new preamp mated with our time-honored 2xEL84 25 watt power section
based on our originally-patented Dyna-Watt™ power. This little dynamo delivers its own blend of Badlander with
aggressive attack and percussive midrange while tucking up the low end in a definitive way that is addictive in
both sound and feel. And best of all, this model gives you all the Badlander's stunning performance in a pack-
age that is lightweight and compact as well as more clip-able than its higher power siblings for times when
power section character and/or overdrive is the call.
While cut from much the same cloth as its forbearer, the original Dual Rectifier Solo Head from the early 90s,
this model stakes new ground and pays homage to rock and heavy sounds in its own new distinctive and more
percussive way.
Up front, the two identical footswitchable preamp Channels offer the ability to configure the amplifier for virtu-
ally any style, making it a supremely versatile choice while decidedly leaning toward all things rock. CLEAN,
CRUNCH, and CRUSH Modes double up and appear in both Channels, allowing for multiple ways to get your
gain signatures done – be they similar or differing - for your two footswitchable sounds.
FRONT VIEW: BADLANDER™ 25
ON
POWER
STANDBY
ON
BADLANDER
ON
POWER
STANDBY
BADLANDER
ON
REAR VIEW: BADLANDER™ 25
TUBE GUIDE
5 x 12AX7
2 x EL84
4 OHM
TUBE GUIDE
INTERNAL LOAD ACTIVE WHEN SPEAKER DISCONNECTED
5 x 12AX7
2 x EL84
4 OHM
INTERNAL LOAD ACTIVE WHEN SPEAKER DISCONNECTED
BADLANDER
Operating Instructions
25W
MASTER
10W
25W
™
MASTER
10W
™
BADLANDER
™
25
Risk of Electric Shock. Do Not Open.
ALL TUBE AMPLIFIER
No user serviceable parts inside.
DIRECT OUT
BADLANDER
™
25
Risk of Electric Shock. Do Not Open.
ALL TUBE AMPLIFIER
No user serviceable parts inside.
4 OHM
8 OHM
DIRECT OUT
SPEAKERS
CABCLONE
4 OHM
8 OHM
SPEAKERS
CABCLONE
PRESENCE
BASS
PRESENCE
BASS
CAUTION:
WARNING:
Replace fuse with same type/rating only.
Do not expose to rain or moisture.
USB
HEADPHONES
GND
CAUTION:
WARNING:
Replace fuse with same type/rating only.
LIFT
Do not expose to rain or moisture.
4
5
4
5
3
6
3
6
USB
HEADPHONES
2
7
2
7
GND
CAB
1
8
1
8
IR
™
SELECT
CH1
CH2
LIFT
4
5
4
5
3
6
3
6
2
7
2
7
CAB
1
8
1
8
™
IR
SELECT
CH1
CH2
PAGE 3
™
MID
TREBLE
MID
TREBLE
HAND-WIRED IN
PETALUMA, CA, USA
LEVEL
HAND-WIRED IN
PETALUMA, CA, USA
RETURN
SEND
LEVEL
FX LOOP
EL-84 TUBE POWER
RETURN
SEND
FX LOOP
EL-84 TUBE POWER
CLEAN
C
R
U
N
C
CH1
H
CRUSH
INPUT
FT
GAIN
SW
CLEAN
C
FTSW
R
U
CLEAN
C
N
R
C
CH2
U
CH1
H
N
C
CRUSH
H
INPUT
CRUSH
FT
/
GAIN
EL84
25
SW
FTSW
CLEAN
C
R
CH2
U
N
C
H
CRUSH
/
EL84
25
AMPLIFIER
44YV
FUSE
POWER
FUSE
WARNING:
AMPLIFIER
120 V~
1.25 A
Unplug power
44YV
60 Hz
SLO
before servicing
1.25 A
BLO
fuse or chassis
FUSE
POWER
FUSE
WARNING:
120 V~
1.25 A
Unplug power
60 Hz
SLO
before servicing
1.25 A
BLO
fuse or chassis
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