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Service Equipment applied for and obtained the Variac trademark for the same type of product. The term variac has become a genericised trademark, being used...

1979) was an Austrian-born engineer, best known as the inventor of the Variac. Karplus was born in Hinterbrühl, the second child of Johann Paul Karplus...

on biological images. The machine was destroyed in a fire, caused by a Variac shorting on one of the wooden-top benches, in 1968. It was rebuilt in the...

"used two old Marshalls that were on the verge of exploding" by using a Variac causing the transformers to work harder. The tour supporting Rage for Order...

syringe was used to inject bleach into his testicles, which were wired to a Variac, sending electrical impulses through his body. His toes were crushed by...

maintaining a constant load impedance on the amplifier. Another approach uses a variac or power scaling circuit, which reduces the B+ supply voltage available...

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the sound of a 1968 50-watt Marshall "Plexi" Super Lead circuit with a "Variac," which was inspired by the tone of Eddie Van Halen. The Dirty Shirley/Twin...

applied voltage is the same as the voltmeter reading. Now with the help of a variac, the applied voltage is slowly increased until the ammeter gives a reading...

called autotransformers; a variable output autotransformer is known as a variac. Other kinds of AC power supplies are designed to provide a nearly constant...

changing between the stock 6L6 and EL34 power amp tubes and a "Bold/Spongy" variac switch. Early production models (from 1992 to 1994) had a series effects...

was one of several methods of controlling power (see autotransformers and Variac for more info), a low-cost and efficient power switching and adjustment...

Dürr played with the groups Five Horse Johnson, Giant Brain, Luder, and Variac. On January 11, 2019, guitarist Phill Dürr died of a heart attack at age...

sample isotropically. They may use trace heating in conjunction with a variac, so as to control the heat energy delivered. This is an effective means...

fields. The major advantage of the induction regulator is that unlike variacs, they are practical for transformers over 5 kVA. Hence, such regulators...

lowering volume. Guitarists such as Eddie Van Halen have been known to use variacs before VVR technology was invented.[specify] Lower-power valve amps (such...

stroboscope as the Strobotac. The production of the sound level meter. The Variac variable autotransformer, which was a U.S. trademark of General Radio from...

could be used on the rotor instead. Variable autotransformers (trade name "Variac") were then introduced. While they are still nearly as large as rheostat...

motor by changing its frequency; usually, today, a solid-state device. Variac One brand of adjustable transformer, that can essentially continuously vary...

world. To achieve the legendary "Brown Sound", Eddie Van Halen employed a variac to limit the voltage (down to 89v, from the 110v standard) of his Marshall...

V version which is available by special order, then it is wise to use a Variac (variable transformer) to drop the power to the required 220 V for the amplifier's...

on biological images. The machine was destroyed in a fire, caused by a Variac shorting on one of the wooden-top benches, in 1968. The ILLIAC IV was one...

to the input transformer. More traditional methods include three-phase variacs (autotransformer) or motorised Brentford type voltage regulators to control...

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voltage transformer or selected inverter drives through computer controlled variacs. A range of dynamometers are used for the assessment of the performance...