Foreword, Reader warning, On the proper use of a loadbox – Two Notes Wall of Sound III User Manual
Page 5: 1 foreword, Part 1, 1reader warning, 2on the proper use of a loadbox
Part 1
Foreword
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Reader warning
The triangle symbol with an exclamation mark indicates important messages concerning
the correct use of the product.
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On the proper use of a loadbox
The TORPEDO WoS III plugin may be used either with recorded tracks of a guitar/bass preamplifier or of a
tube/solid state amp by using a loadbox (like the Two Notes TORPEDO Reload, the TORPEDO VB-101 or TORPEDO
Live). While using the line output of a preamplifier or an amp is easy and safe, using the speaker out of a tube
amp with no speaker requires some attention.
In the normal use of a tube amplifier, it is highly recommended that you always connect its power output to a
speaker cabinet prior to powering it up. Not doing so can lead to partial or complete destruction of the output
stage of the tube amplifier. The electronic term that describes the speaker cabinet with respect to the amplifier
is the "load": we say the cabinet "loads" the amplifier.
Most tube amplifier makers protect their products with fuses or other protection systems, but some amplifiers
still remain not or insufficiently protected. It is impossible to predict the behavior of all the amplifiers on the market
in case of use without a load (a speaker cabinet or a loadbox).
The correct use of your amplifier with a loadbox requires some precautions. Because of the silence while
playing, it is much easier to accidentally run your amplifier beyond the reasonable limits set by the manufac-
turer than when using a speaker cabinet. This can lead to faster tubes wear and, in some cases, more serious
inconveniences.
During the first tests at high volume on the amplifier, monitor the color of the
tubes and the general state of the amplifier. Red glowing tubes or any appear-
ance of smoke are signs of a problem that could lead to partial or complete
destruction of the amplifier.
Keep in mind that the "sweet spot" - the perfect running point of the amplifier, the one that will give you the
tone you’re looking for - is rarely obtained at maximum volume. In addition, the volume control of the amplifier
is usually logarithmic, which means the volume goes up quickly on the first half of the potentiometer rotation,
reaches its maximum at 12 o’clock, and doesn’t change much beyond this point. Therefore, you can reach the
maximum volume of your amplifier even if the volume potentiometer is not set at maximum.
Two Notes Audio Engineering
TORPEDO WoS III
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