It’s not the whole truth though, as [Albert van Dalen] demonstrates with his tube preamplifier running from only 3.3 V. If your first thought is that he must have made a flyback converter to ...

[Justin Scott]’s tube preamplifier is a great example, with its novel use of a pair of Nixie tubes to indicate the volume to which it has been set. The audio side of the preamp comes courtesy of ...

Plates are gray T-plates with plate size and geometry the same as standard 6NS7 short bottle tubes. The getter is a bar style below the plates. Much like the previous 12AU7 tubes I tested from Apos, I ...

Not only is the ST-70 regarded as one of the most popular tube amplifiers of all time, it’s still widely sought after by vintage-audio enthusiasts. Today, the Dynaco ST-70 is remembered as the ...

Typically built into an audio or A/V receiver, phono preamps also come as external devices for units without phono inputs as well as for audiophiles who want the highest-quality restoration.

The HTA100’s glowing preamp tubes and signal meters make it the best-looking amp we’ve ever tested, too, but its eye-catching aesthetic may not appeal to everyone. This tiny integrated amp ...

An electronic circuit or stand-alone device that boosts microphone input. A mic preamp is used to adjust the volume of the signal sent to powered speakers or an amplifier. Unlike a phono preamp ...

Tubing or tubes are hollow cylinders used for fluid transport, structural applications, or electrical sheathing. They are usually cylindrical in shape, but may have round, rectangular, or square cross ...

Even though it looks like fun, Northwestern takes its supplemental enrichment programs seriously. From credit-granting coursework to weekend music lessons, children and teens can take advantage of ...

Tube fittings connect runs of tubing (for in-line, offset, multi-port, and mounting configurations) to other tubing sections, pipe, hose, or other components. Systems are typically configured with ...

Provides financial advice and superannuation, retirement income, banking and investment products across a portfolio of businesses along with corporate superannuation products and services for ...

Tube drivers have voted to go on strike after rejecting a pay rise that would take their salaries to £70,000 for the first time. Members of the Rail, Maritime and Transport union (RMT) voted on ...