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CONTENTS
1.0 TRIAMP
®
MK II: THE THREE AMPS . . . . . . . . . . . 4
2.0 CONNECTIONS AND CONTROL FEATURES . . . 6
2.1 AC POWER AND THE GLOBAL
CURRENT ADAPTER . . . . . . . . . . . . . . . . . . . . . 6
2.2 OVERVIEW OF CONTROL FEATURES . . . . . . . . 7
3.0 STANDARD SETUP/CABLE CONNECTIONS . . . . 9
4.0 TRIAMP
®
MK II OPERATION . . . . . . . . . . . . . . . 9
4.1 CHANNEL SELECTION . . . . . . . . . . . . . . . . . . . 9
4.2 TRIAMP
®
MK II AND SIGNAL PROCESSORS . . . 9
4.3 RED BOX
®
DI OUT -
ALL-TUBE TONE TO THE MIXER . . . . . . . . . . . . 10
4.4 TRIAMP
®
MK II AND MIDI . . . . . . . . . . . . . . . . .11
5.0 REPLACING TUBES, SERVICE AND
PREVENTIVE MAINTENANCE . . . . . . . . . . . . . 12
6.0 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . 14
7.0 TECHNICAL SPECIFICATIONS . . . . . . . . . . . . 27
Important Safety Instructions . . . . . . . . . . . .29 - 31
CAUTION!
TO PREVENT THE RISK OF FIRE AND SHOCK HAZARD
DON´T EXPOSE THIS APPLIANCE TO MOISTURE OR
RAIN. DO NOT OPEN CASE; NO USER SERVICEABLE
PARTS INSIDE. REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
BEFORE POWERING UP
• Check that the local current and the amp's AC
power rating are identical before you plug the
TriAmp
®
MK II's mains cord into an AC outlet.
• Ensure that air can circulate freely around your
amp's ventilation ducts.
• Place the amp on a stable platform where it
is not exposed to mechanicall shocks and tem-
perature extremes which may damage the amp
or endanger the safety of bystanders.
• Hughes & Kettner
®
is not liable for any damage
to the amp due to improper use.
TRIAMP MK II - MANUAL
4
4
1.0 THE THREE AMPS IN THE TRIAMP
®
MK II
Three totally different amps in a single housing?
Until the mid-‘90s, this was thought to be an
impossible dream.
The Hughes & Kettner team was undeterred:
Years of intense development efforts and research
culminated in the TriAmp
®
, and this magical
combination debuted in 1995. To make the
dream reality, we developed an unprecedented
switching technology that delivers totally indepen-
dent fundamental sounds of the highest quality.
Each of the three preamps is dual-channel
in design so a total of six sounds are available
at the touch of a button.
How does TriAmp
®
MK II produce such funda-
mentally different sounds with just one power amp
and a common master section?
TriAmp's tonal potential lies primarily in its puristic
tube design. Highly advanced new switching
technology developed by Hughes & Kettner for
this amp reconfigures the multiple tube stages
with each new sound you select. This new design
pulls every drop of tone out of the all-tube
circuitry, lending TriAmp
®
MK II incredible tonal
flexibility without any reliance on solid-state
compromises. The power amp design further
supports TriAmp
®
MK II's vast range of tones:
In each channel, the Presence attenuation factor
is switched automatically via a special capacitor.
This lends each channel its trademark power amp
characteristics and explains why they are so easily
adjusted using just one Presence knob in the
MASTER section.