Acorn Tube -

: Their high input impedance made them ideal for probe tubes in vacuum-tube voltmeters. 5. Collecting and Maintenance

An (or acorn valve) is a specialized family of vacuum tubes developed in the 1930s to overcome the physical limitations of standard tubes at high frequencies. Named for their resemblance to the nut of an oak tree, they were critical for the development of early VHF/UHF (Very High/Ultra High Frequency) technology. 1. Why They Exist: The Frequency Problem acorn tube

: Featured in classic pre-war and wartime receivers like the Hallicrafters S-27 and National 1-10 . : Their high input impedance made them ideal

Acorn Tube -

Acorn Tube -

: Their high input impedance made them ideal for probe tubes in vacuum-tube voltmeters. 5. Collecting and Maintenance

An (or acorn valve) is a specialized family of vacuum tubes developed in the 1930s to overcome the physical limitations of standard tubes at high frequencies. Named for their resemblance to the nut of an oak tree, they were critical for the development of early VHF/UHF (Very High/Ultra High Frequency) technology. 1. Why They Exist: The Frequency Problem

: Featured in classic pre-war and wartime receivers like the Hallicrafters S-27 and National 1-10 .

acorn tube
Federico Viticci
Federico is the founder and Editor-in-Chief of MacStories, where he writes about Apple with a focus on apps, developers, iPad, and iOS productivity. He founded MacStories in April 2009 and has been writing about Apple since. Federico is also the co-host of AppStories, a weekly podcast exploring the world of apps, Unwind, a fun exploration of media and more, and NPC: Next Portable Console, a show about portable gaming and the handheld revolution.
@[email protected]
@viticci.macstories.net
viticci@macstories.net