GAIN MASTER PRESENCE GAIN MASTER PRESENCE GAIN MASTER PRESENCE
TREBLE MID BASS TREBLE MID BASS TREBLE MID BASS
OUTPUT
CLEAN
TWEED
EQ ON
O
EQ FS
10 W
45
EQ ON
O
EQ FS
MARK I
NORMAL
CH 1
NORMAL
MARK I
THICK
BOLD
10 W
45
MK II C
+
MK
IV
EXTREME
EQ ON
O
EQ FS
90 W 90 W 90 W
10 W
SLIDERS
PRESET
SLIDERS
PRESET
SLIDERS
PRESET
DEPTH
PRESET
DEPTH
SOLO
PULL MUTE
PRESET
80Hz 240 750 2200 6600
45
3
2
1
3
2
1
CH
CH
CH
1
2
3
FAT
CRUNCH
CH 3
NORMAL
BRIGHT
EDGE
MARK I
STANDBY
ON
FULL
POWER
VARIAC
POWER
MUTE EQ FX
0
INPUT
CHANNEL
SELECT
CH 1
CH 2
CH 3
FT SW
CH 1
CH 2
CH 3
CHAN 3 EQ
RETURN
SEND LEVEL
LOOP ACTIVE
LOOP
HARD BYPASS
FX, OUTPUT
SOLO, MUTE
TUBE
REVERB
PENTODE
CH 3
TRIODE
REVERB
DIODES
CH 2
TUBE
REVERB
8 OHM
8 OHM
4 OHM
4 OHM
(2X8Ω CABS)
(COMBO)
OUT
TUNER
SLAVE
SLAVE LEVEL
FOOT
SWITCH
F A N
ON
F A N
OFF
6L6
EL34
CAUTION
SWITCH
MUST
MATCH
TUBES
IN USE
PATENTED
4,211,893
4,532,476
4,593,251
5,091,700
5,168,438
6,621,907
6,724,897
7,173,488
7,193,458
BIAS
DIODES
CH 1
CHAN 2
SOLO SEND
ON ALL
EXT
SWITCHING
FT SW
LOOP
ASSIGN
ALL
TUBE
AMPLIFIER
HAND
BUILT IN
PETALUMA, CA
WARNING: To reduce risk of fire or electric
shock, replace fuse with same type and
rating only. Do not expose this unit to
rain, moisture or thieves.
CAUTION: To reduce risk of fire or electric
shock, do not remove cover. No user-
serviceable parts inside. Refer all
servicing to qualified personnel.
®
45W ONLY
Simul-Class
™
Power
MARK FIVE
TM
EFX
SPKR
FUSE