41
POWER AMP ACCURACY
As already touched on a couple of times, what happens in the power stage of any good
tube amp is of paramount importance to the way the amp sounds, feels and behaves.
The way the power amp operates (Class A or Class A/B), the power tubes used (EL84s,
EL34s, 6L6s, 6V6s), the exact nature of the negative feedback loop circuitry (if one even
exists) and how the power stage interacts (a relationship called damping) with the
speaker(s) it is driving - all these things play a vital role in the creation of tone. And,
thanks to our patented in USA Valve Reactor Technology all these important bases are
faithfully and accurately covered. For example: if you choose amp model AC30TB - an
amp with a Class A power stage, EL84 output tubes and no negative feedback, that’s
exactly what your Valve Reactor power amp reconfigures itself to emulate.
And, as an added bonus, thanks to our rear panel POWER SELECTION switch
you can adjust the output power (Wattage) to best suit the model in question (e.g. the
original AC15 is 15 Watts, the TWEED 1x12 is 18 Watts and the AC30TB is 30 Watts) or
the size of the room you’re playing in.
TURN IT UP!
All truly great, all-valve amps have one thing in common - they invariably sound at their
best when they’re cranked to the max! It’s got nothing to do with eardrum shattering deci-
bels either, it’s just that when the power valves are driven hard, they definitely impart a
unique tone and width to the overall sound. Thanks to the awesome accuracy of our
Valve Reactor power amp, the same is also true of your Valvetronix combo. For this rea-
son, we heartily recommend that you crank the sucker up as often as possible. And, as
I’ve literally just pointed out, thanks to our unique POWER SELECT control, you have a
choice of output Wattages that’ll suit every occasion - from bedroom, to garage, to
gig...and all points in-between. So, what are you waiting for - select, crank ‘n’ enjoy!
This all said, let’s take a look at each of our amp models...
1. AC15
This is modeled on Channel 2 of an amazing sounding 1962 VOX AC15, which is
part of our vast amp collection. This 1x12”, 15 Watt, valve driven, dual channel
combo was unleashed on the market in 1958 and was the first ever VOX amplifier.
The reason for it being named the AC15 is simple: AC stands for Amplifier Combi-
nation while 15 indicates the Wattage. Thanks to its compactness, power, built in
tremolo/vibrato effects (on Channel 1 only) and tremendous tone, this combo was
a huge hit with the popular British guitar bands of the time, including several chart
topping acts, the majority of whom were only too happy to endorse Vox.
One of the biggest reasons for the unique, signature tone of this amp is the
fact that it employs EL84 output valves in a Class A circuit with no negative feed-
back. This is also true of the other three VOX amps, we’ve modeled - the AC15TB,
AC30 and AC30TB. In a nutshell, the result of this design is more power and
more distortion - the latter of which gets thick with second and third harmonics that
become more and more prevalent as the amp is cranked. Thanks to our unique
To Next Page
Loading...
Need help?
General