We just got our first batch of the new Tungsol 7581A tubes. Unlike their standard 7581 vacuum tubes, the “A” version is rated for more power. It takes the typically 6L6GC/7581 30W rating and raises…
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For most of us, when our beloved tube amplifier starts sounding bad we know it’s time for new tubes. For most of us, this means finding replacements and junking the old worn out tubes. But…
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Did you know that long before LED and Vacuum fluorescent displays were invented, tubes were used to display the numbers in early computers, calculators, and electronic test equipment? These unique tubes are called Nixie Tubes. …
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We just received our first shipment of the new Tungsol 7591 power tubes. This new Tung-Sol 7591 Vacuum Tube might not sound familiar to today’s audiophile, but if you’re a vintage audio buff you’ll know them well. …
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Look – if you’ve gone to the expense (and we know it isn’t cheap) to create an amazing sound system driven by a tube amplifier, then you ought to know about matched pairs and our…
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JJ Electronic makes 4 different dual triode tubes in the ECC83 (12AX7) vacuum tubes family. Each tube has a unique structure, gain rating and sound. There is variation between each of these tubes, as well…
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Have you ever been clumsy while installing or removing power tubes and ended up breaking the guide “key” off? If you’ve experienced this bad luck before, don’t worry, it happens… The good news is that…
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Capt. Stanley R. Mullard, a research engineer for the British Admiralty, founded the Mullard Radio Valve Company Ltd. in 1920 and it became a premier manufacturer of electronic components. His company became known worldwide for…
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New Sensor is at it again! Their Mullard tube line has grown to include four more vacuum tubes: a CV4004 / 12AX7 preamp tube, a KT88 output tube, a 6L6GC power tube, and a 6V6GT…
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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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