REAR PANEL
MAIN FUSE
This is the A.C. (Alternating Current) Main Fuse and it provides amplifier circuit protection from possible power tube
failures as well as from A.C. voltage fluctuations. ALWAYS replace a blown fuse with one of the specific rating and type as (conveniently)
printed on the back of your amplifier right next to the fuse holder. NEVER INSTALL A FUSE OF A HIGHER RATING than the value
printed on the back of your amplifier. Doing so will very likely produce damage well beyond the original reason your fuse blew in the
first place. Domestic USA Models of the MARK FIVE: 35 use a 2.0 Amp SLO-BLO type Fuse.
A power tube short or failure is often the cause of a blown fuse. Position yourself behind the amplifier and follow the Cold Start Pro-
cedure described in the STANDBY switch section of this Operating Guide. Watch the power tubes as you flip the STANDBY to the ON
position. If a power tube is going bad or is arcing you will often see it flash as you flip the STANDBY and power up! Flip the STANDBY
switch to “STANDBY” immediately and replace the faulty power tube (and the fuse as necessary).
If you see nothing abnormal as you move the STANDBY switch to ON, it is possible that a power tube shorted ‘temporarily’ and caused
the blown Fuse. Occasionally, whether from just luck or from cooling down, a short in a power tube ‘reconnects’ itself temporarily
and can operate normally again for a time… but this tube should be considered faulty and replaced as soon as possible to ensure
uninterrupted performance. If you can identify a tube that is arcing or shorting by the method mentioned above and the tubes have
minimal use, consider replacing the obviously faulty or failed tube and leaving the others installed.
If you haven’t changed tubes for a while after heavier use, a failure may be telling you it’s time to change all your power tubes. Save
any working but used tubes as spares.
Spare fuses (of the proper type and rating) are a must for the fabled cord bag along with at least one set of spare tubes. Always have
both on hand—at the gig or at home—since tubes decide, not you, when it’s time to stop working. Spare tubes and fuses can be
worth their weight in gold should you ever experience a tube failure, especially on a gig. We STRONGLY recommend making them a
permanent fixture in your gig bag.
AC MAINS SOCKET (QUICK DISCONNECT STYLE)
This is the AC MAINS Power Cord Socket located on the underside
of the chassis. The standardized removable power cable supplied with your amp can only be plugged in one way. Always connect
the male end to a grounded (3-Hole) wall socket with the proper voltage present (117 Volts on U.S.A. Models). To Avoid The Risk Of
Shock, Never Alter The Power Cable in any way. Altering the Power Cable will void your warranty and put you at risk while leaving
your amplifier open to the possibility of damage.
FX (LOOP – SERIES)
The MARK FIVE: 35 benefits from 40 years of high performance amp design and the FX Loop featured
here is a result of that experience and expertise. The FX Loop is wired in Series with the dry signal and as long as you
are using processors of good quality, you should experience seamless interfacing with no tonal degradation. That said,
anything you insert in this extremely sensitive junction of an amplifier (between preamp and power section) may have the
potential to slightly alter the sound.
Also, every company that builds processors has their own way of doing things and there are circuits, controls and features
that empower and or improve the sound, and some that make things more complicated while adding questionable sonic benefit. We
suggest taking your amp and trying it with the processor you are considering to make sure you will have great performance when
they are coupled.
PAGE 26
CLEAN
CRUNCH
FS
MK IIC+
MK
IV
XTREME
GAIN TREBLE
MID BOOST
MID PRESENCE MASTER
SOLO 1
SOLO 2
BASS
FAT
EQ ON
EQ PWR
O
O
EQ FS
SPKR
ON
CLOSED
BACK
VINTAGE
CabClone™
D.I.
SPKR
OFF
EQ ON
EQ FS
CAUTION: Unplug
power before
servicing
120 V~
60 Hz
2 A
2 A
SLO
BLO
AMPLIFIER
44YV
HEADPHONE
RETURNSEND
4 OHM 8 OHM4 OHM
REVERB
CH 2 CH 1
MARK FIVE: 35™
VACUUM TUBE
AMPLIFIER
MADE IN PETALUMA, CA
WITH THE WORLD’S
FINEST MATERIALS
80Hz 240 750 2200 6600
35 W
25
10 W
35 W
10 W
FX
SPEAKERS
LIFT
GROUND
OPEN
FOOT SW.
TUBE GUIDE
6 x 12AX7
4 x EL 84
PATENTED
6,621,907
6,724,897
7,602,927
25
POWER
ON
ON
STANDBY
MARK
5
THIRTY-FIVE
™
INPUT
CLEAN
CRUNCH
FS
MK IIC+
MK
IV
XTREME
GAIN TREBLE
MID BOOST
MID PRESENCE MASTER
SOLO 1
SOLO 2
BASS
FAT
EQ ON
EQ PWR
O
O
EQ FS
SPKR
ON
CLOSED
BACK
VINTAGE
CabClone™
D.I.
SPKR
OFF
CAUTION: Unplug
power before
servicing
120 V~
60 Hz
2 A
2 A
SLO
BLO
AMPLIFIER
44YV
HEADPHONERETURNSEND 4 OHM 8 OHM4 OHM
REVERB
CH 2 CH 1
MARK FIVE: 35™
VACUUM TUBE
AMPLIFIER
MADE IN PETALUMA, CA
WITH THE WORLD’S
FINEST MATERIALS
80Hz 240 750 2200 6600
35 W
25
10 W
35 W
10 W
FX
SPEAKERS
LIFT
GROUND
OPEN
FOOT SW.
TUBE GUIDE
6 x 12AX7
4 x EL 84
PATENTED
6,621,907
6,724,897
7,602,927
25
POWER
ON
ON
STANDBY
MARK
5
THIRTY-FIVE
™
INPUT
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