Perhaps nothing added quite so much to the charm of vacuum tube circuits ... fear not — this solid-state replacement for the magic eye tube is ready to stand in for your restoration projects.

They are also easier on the environment. One of the key benefits of solid-state replacements is their durability. Traditional vacuum tubes are notoriously fragile and susceptible to damage from ...

Despite the oldest solid state audio circuitry now qualifying for a pension and a bus pass where this is being written, the thermionic tube retains a foothold in the world of audio — cherished ...

The transistor was a solid (thus the term "solid-state technology") but had the electrical properties of a vacuum tube. Yet it had none of the drawbacks: it was cheap, sturdy, used little power ...

Kelly suspected that solid state science might provide a new kind of amplifier to replace the vacuum tube in AT&T's phone system. The tubes amplified voice signals as they traveled through the ...

Pricing & Availability: The C55 Solid State Preamplifier and C2800 Vacuum Tube Preamplifier are available via authorised McIntosh dealers. Both units will be available in March for $9,000 / £ ...

Amplifiers that use vacuum tubes instead of – or alongside – solid-state electronics are marketed on the basis of their warmer, more inviting sound. Now Écoute has come up with a very unusual ...