FirstWatt SIT-2 Скачать руководство пользователя страница 9

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The behavior of an ordinary Jfet or Mosfet is very similar:

As with the Pentode, the current flowing from Drain to Source in a Fet will flatten out as the
voltage between those pins increases.

By contrast, Here is a set of Triode (300B) curves:

Содержание SIT-2

Страница 1: ...First Watt SIT 2 Power Amplifier...

Страница 2: ...K setting which will work with anything Later you may wish to try driving the Gate terminal of the SIT device more directly by removing the gold jumper and inserting it in the 10K input position as sh...

Страница 3: ...ned that at one time they had made a special run of Static Induction Transistor devices on some kind of military industrial contract and that one of their technical people had remarked that they were...

Страница 4: ...etting of the SIT device to tweak it into the most preferred setting for different loudspeakers and listening taste It also helps compensate for small variations in AC line voltage The SIT 2 operates...

Страница 5: ...source components looks directly at the Gate of the SIT without other active components in between This is desirable but in this case the input impedance is 10 Kohms and plus the capacitance of the Ga...

Страница 6: ...nd a bandwidth to 500 Khz The choice of input impedance is made on the jumper of the XLR female connector associated with each channel on the back of the amplifier next to the input connector Just put...

Страница 7: ...ot of the distortion of the amplifier versus frequency shows a consistent character across the audio band This consistency of performance over the audio band is an important element to the sonic chara...

Страница 8: ...applications but after Sony and Yamaha ceased production versions suitable for audio power amplification have been highly prized and difficult to obtain Recently there has been renewed interest in SIT...

Страница 9: ...ordinary Jfet or Mosfet is very similar As with the Pentode the current flowing from Drain to Source in a Fet will flatten out as the voltage between those pins increases By contrast Here is a set of...

Страница 10: ...ut also the voltage across the device In this sense the gain device acts in a manner similar to a resistor whose resistance value is controlled by the grid voltage Similarly with the SIT device seen b...

Страница 11: ...Triode trick There are two things we want out of a solid state device for this purpose First we want a square law input characteristic like that of tubes Fortunately Fets do that already the current t...

Страница 12: ...l efforts by Sony and Yamaha were not minimalist they contained many parts in multiple gain stages and used a generous amount of feedback There are several reasons for the push toward minimalism The f...

Страница 13: ...at first off they can be made to sound exquisitely in many of the systems that would enjoy the performance of a SET amplifier These would be your high sensitivity loudspeakers featuring compression dr...

Страница 14: ...a single voice Now the following is for your protection Do not defeat the AC line Earth ground connection on the amplifier power cord It provides an extra barrier to prevent potential shock hazard Do...

Страница 15: ...AC 1 25 Amp for 240 VAC Weight 32 lbs Dimensions 17 W x 15 D x 5 H Colors Available in Black or Silver Warranty Parts and labor for 3 years not covering shipping costs or consequential damages Warrant...