One of the most popular articles we have ever run detailed Jeremy Sikora’s experience with his prized Quad 303/33 power amplifier ... s great circuit innovation for the 303 – the ‘triples’ output ...

First teased in prototype form at this year's High End Munich showcase, the reimagined Quad 33 preamp and Quad 303 stereo power amp blend modern-retro design ... With the Quad preamp, Quad has ...

This circuit layout produced low distortion, prompting Quad to promote the 303 as “the world’s first low-distortion transistor amplifier”. At the rear of the Quad 303 power amp are the ...

While we wouldn’t want to document a computer motherboard with ASCII schematics, it’s great for a quick-and-dirty circuit diagrams. Not exactly schematics, but [Duckman] has some Arduino ...

First of all, there can be some confusion between integrated amplifiers (one that combines both a preamp and power amp) and stereo receivers (which is basically an integrated amplifier with an AM ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Brent Butterworth Brent Butterworth is a writer dedicated to audio gear.

Designers can make useful products that include electrical components close electrical componentA device in an electric circuit, such as a battery, switch or lamp.. They allow a product to have ...

you can install a 15-amp receptacle, but only if you have multiple receptacles on the same circuit, like the common two-plug ("duplex") or four-plug ("quad") setups you have all over your house.

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First teased in prototype form at this year's High End Munich showcase, the reimagined Quad 33 preamp and Quad 303 stereo power amp blend modern ... has formulated a new circuit design with ...