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There was also a reverb option which came available in the latter units. These amps had a point-to-point wired power section and had large transformers with great headroom. Most were built in a 60 watt version and later a few in the 100 watt. SOB chassis were shared with other heads, but had different front and rear plates.
The "Scope" soldering iron when marketed in Australia in 1950, retailed at 43/6 [4] (43 shillings and six pence, which converts to $4.35 before inflation), twice the price of a conventional iron. [5] A suitable transformer was marketed (which doubled as a stand for the iron), also a metal etching pen "Vibroscope", which used the same ...
Most single phase alternating-current electrical outlets in the world supply power at 210–240 V or at 100–120 V. A transformer or autotransformer can be used; (auto)transformers are inherently reversible, so the same transformer can be used to step the voltage up, or step it down by the same ratio. Lighter and smaller devices can be made ...
A high-voltage current transformer may contain several cores, each with a secondary winding, for different purposes (such as metering circuits, control, or protection). [7] A neutral current transformer is used as earth fault protection to measure any fault current flowing through the neutral line from the wye neutral point of a transformer.
Since amorphous ribbon can be cast to any specific width under roughly 13 inches and can be sheared with relative ease, it is a suitable material for wound electrical transformer cores. In 2019 the price of amorphous steel outside the US is approximately $.95/pound compared to HiB grain-oriented steel which costs approximately $.86/pound.
Such systems are also known by the nominal voltage of the loudspeaker line, such as 25-, 70-and 100-volt speaker systems (the voltage corresponding to the power rating of a speaker or amplifier). A transformer steps up the output of the system's amplifier to the distribution voltage.
Andrew Ridgeley is reminiscing about George Michael and the 40th anniversary of the Wham! hit "Last Christmas" for a new EP and documentary.
Transformer oil is often a highly refined mineral oil that cools the windings and insulation by circulating within the transformer tank. The mineral oil and paper insulation system has been extensively studied and used for more than 100 years. It is estimated that 50% of power transformers will survive 50 years of use, that the average age of ...
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