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Introduction
What is AVT?
Advanced Valvestate Technology, or AVT for short, is a major step forward in hybrid amplifier
design which is exclusive to our new Valvestate 2000 (VS2000) Series of amplifiers. It has evolved
from the original, critically acclaimed Marshall Valvestate technology, but is improved so that it
emulates even more closely the feel and response of the classic Marshall all-valve power
stage...without using valves.
It is not only the power stage that has been significantly improved in the VS2000 Series. Much
careful attention to detail and many hours of development have also gone into the preamp section
too. As a result, each AVT channel offers the widest possible range of control and shape to your
sound, with an ECC83 (a.k.a.12AX7) preamp valve adding to the all-important tone and feel of
these latest Marshall creations.
Valve Drive Pre-amp
As just stated, each amp in the VS2000 range boasts a preamp stage equipped with an
ECC83 Dual Triode valve. Drawing on our vast experience in this field, we have gone to great
lengths to ensure that this precious device delivers maximum sonic benefit at all settings and
volume levels. As a result, the clean sounds ring with the ‘bell-like
’
harmonics that only a valve
preamp can deliver and, when pushed, the break-up is never harsh or unnatural sounding.
Whenever an AVT Overdrive channel is selected the ECC83’s dual triode is saturated to its limit,
providing the dynamics and feel worthy of a place in the Marshall hall of fame.
Power Amp Delivery
The same sort of toneful care and attention was also focused on the all-important power
stages of the AVT series. Our goal was to ensure that each one would create the warm, musical
feel and 3-dimensional sounds that have made our all-valve power amps world renowned. In
addition, these VS2000 products were designed to deliver the goods in the often hostile and
unpredictable environment of the live performance stage - which is why all the AVT power amps,
from the AVT50 upwards, are fan cooled for optimum reliability.
'Extended Bass Response' Loudspeakers
Knowing how important the relationship between the amplifier and speaker is, this is another
area where we spent a great deal of time and effort when developing the VS2000 Series. By
working extremely closely with our long-term colleagues at Celestion Loudspeakers, we have
successfully developed a range of speakers which, through radical design, re-define the state-of-the
art in rock guitar reproduction. In a nutshell, they allow the compact closed back cabinets used in
the AVT range to maintain the bottom end delivery normally only associated with a full 4 x12
cabinet set-up.
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