Quad, the revered British hi-fi company, has a long history of delivering high-end audio components that look and sound like ...

The triode in the ECL82 is used as a pre-amplifier for the incoming signal. The pentode is controlled with the pre-amplified signal and acts as a power amplifier. [Marcel]’s amplifier also uses ...

Op amps. Often the first thing that many learn about when beginning the journey into analog electronics, they’re used in countless ... In order to power up the op amp and check its functionality ...

Probably one of the most celebrated amplifiers ever made—the 33/303 two-box pre/power amp system from Quad ... Even some recording and broadcast studios used them. The new editions have ...

If you don't understand volts vs watts vs amps, you can't understand how much power a circuit is producing ... Amps are a ...

Both these devices should only be used when necessary ... To check, remove the power from the amplifier and see whether the problem goes away. There are three types of amplifier – masthead ...

In an effort to improve performance across the analogue inputs (of which there are four line level, plus an MM phono), new components in the power amp and phono stages have ... the revised DAC module ...

Charging from 0% to 100% in 77 minutes, the PS2400 sees 26.76 watts-per-minute charging from a standard 120-volt, 20-amp residential ... generators (commonly used as power sources for remote ...

These 36V packs can put out around 40 amps of current for a while before they get ... When all of that was done I added the headlight. I used a sodium-ion 18650 cell to power it. I bought a bunch of ...

Look inside and you will find a sensibly specified power supply, neatly laid-out circuitry and ... Our answer would have to be no. Typically, the digital modules used in budget amplifiers tend to be ...

I learned from books and by playing along with CDs, and I jacked my Charvel guitar (awesome) into a Session guitar amp (terrible), and I never ... does offer pass-through power). I haven’t used them ...

New terms of use for eBay have come into effect which mean the online auction house will now pay sellers directly rather than through PayPal. PayPal was acquired by ...