Two-notes VB-101 Manuale Utente Scaricare il pdf (Pagina 14)

Warning regarding the proper use of a loadbox with a tube ampliﬁer

2 What output volume for my ampliﬁer ?

The correct use of your ampliﬁer with a loadbox requires some precautions. Because of the silence

maintained while you are playing, it is much easier to accidentally run your ampliﬁer beyond the

reasonable limits set by the manufacturer than when you are using a speaker cabinet. This can lead

to faster tube 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. Tubes glowing red

or any appearance of smoke are signs of a problem that may 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. Furthermore, the

volume control of the ampliﬁer is usually logarithmic, which means that the volume goes up quickly

on the ﬁrst half of the potentiometer rotation, reaches its maximum at 12 o’clock, and will not change

much beyond that point. Therefore, you can reach the maximum volume of your ampliﬁer even if

the volume potentiometer is not set at maximum.

When reaching the maximum output power of your ampliﬁer, you will hear a lot of distortion,

which may not sound as good as you could hope. Actually, most ampliﬁers sound rather bad a

maximum volume. Always keep in mind that your ampliﬁer may not have been conceived to be

used at maximum volume for a long stretch of time. Running an ampliﬁer at high volume will cause

premature wear of the tubes and possible malfunctions or damages at the output stage.

The fact that the volume control of your ampliﬁer is not set at maximum

does not mean your ampliﬁer is not running at maximum volume. A

good habit is to keep the usual volume setup you would use in re-

hearsal or on stage, rather than just following what the volume poten-

tiometer indicates.

14 Two Notes Audio Engineering Torpedo VB-101

1 2 ... 9 10 11 12 13 14 15 16 17 18 19 ... 52 53

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Whirlpool LE6800XS Istruzioni per gli Interventi (12 pagine)

Marchio: Whirlpool | Categoria: Tumble dryers | Dimensione: 0.72 MB |

Indice

AUTOMATIC

Parts and features

Contents

The automatic cycles

Timed drying

Drying tips

Drying times

Mixed loads

End-of-cycle signal

&’ f.., signal

Lint screen

Lint removal

Cleaning dry&= interior

Vacation care

WARRANTY

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Two-notes VB-101 Manuale Utente Pagina 14

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