What Is A Loadbox - Two Notes Torpedo Captor User Manual

2017/10/27 04:35
In case you must absolutely send your TWO NOTES AUDIO ENGINEERING product to any other
location, it is of vital importance that you keep the original packing material. It is very difficult to
avoid damage when shipping the product without that material. OROSYS SAS is not responsible for
damages caused to the product by improper packaging and reserves the right to charge a reboxing
fee for any unit returned for service without the original packing material.
THE FOREGOING CONSTITUTES THE ONLY WARRANTY MADE BY OROSYS SAS WITH
RESPECT TO THE PRODUCTS AND IS MADE EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES
EXPRESSED OR IMPLIED.
2 Recommendation on the proper use of a
loadbox with a tube amplifier

2.1 What is a loadbox?

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. The speaker cabinet (4, 8 or 16 Ohms) must
always be connected to the corresponding speaker output of your amplifier. Not doing so can lead to
partial or complete destruction of the output stage of the tube amplifier.
Most tube amplifiers makers protect their products with fuses or other protection systems, however
some amplifiers are still 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 electronic term that describes the speaker cabinet with respect to the amplifier is the "load": we
say the cabinet "loads" the amplifier. The term "loadbox" is used to describe any product that
provides a load to the amplifier. The main parameter of the loadbox is its impedance, expressed in
Ohms. An 8-Ohm loadbox must be plugged to the 8-Ohm speaker output of the amplifier.
The power sent to the load is turned into heat, so please follow the cooling recommendation of the
loadbox — otherwise overheating may cause damage, both to the loadbox and to the amplifier.
The Torpedo Captor is a loadbox. This term indicates that the Torpedo Captor is a load which can
electrically replace the speaker cabinet while dissipating (transforming into heat) the power coming
out of the amplifier.
Within the Torpedo Captor is a Reactive load. A Reactive load simulates the complex impedance of a
real speaker.
Always connect the speaker out of your tube amplifier to an appropriate
load (speaker cabinet or loadbox). The Torpedo Captor is such a load.
The Torpedo Captor does not need to be powered up to act as a
loadbox. The maximum admissible power of the Torpedo Captor is 100W
RMS, your amplifier shouldn't be set to play at a higher output power
value. See
User's manuals - http://wiki.two-notes.com/
5/21
this article if your amplifier is more powerful than 100W.
Torpedo Captor User's Manual