Tube testers do not always tell the full story. Below is an excerpt taken from the RCA Receiving Tube Manual (RC-30). Now in a time where we often find ourselves consumed with test results, RCA…
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Finding the perfect vacuum tube is easier said than done. The industry can be confusing. Below are some recommended tips to implement to make the process go smoother. 1. Markings matter Each vacuum tube is…
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Last time we talked about blue glow in vacuum tubes and what causes it. Here we’ll look at filament/heater glow as well as red plate glow in power tubes. Filament or heater glow is…
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In this podcast, one of our audiophile experts answers the following questions about vacuum tubes for both tube amplifiers and guitar amps: Will any tube that fits in the socket work okay? Why are some…
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New from Tung-Sol! You want more power? The Tungsol KT150 tube is quite possibly the answer. This beast is rated for 70W plate dissipation! That’s 10W more than the already impressive Tung-Sol KT120 tube. We…
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Gain Gain Gain Gain Gain For most there’s not much they can do with a guitar amp. You can change speakers and you can change tubes. These changes require a little common sense, a few…
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Look at your amp’s tubes and you will likely notice the warm glow inside. The color can tell you whether your amp tube is working properly or going on the fritz. Users regularly express concern…
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Have a look at the four large oblong shaped vacuum tubes in this Icon Audio amp. This is the first hi-hi amp we’ve seen using the new Tung-Sol KT150 power tube which are expected to…
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