There are times I think that we take for granted the advances in technology that we have seen over the past several decades. The current generations might not be able to appreciate, or even comprehend,…
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The JJ 5751 is an excellent 5751 vacuum tube and does exactly what you want from a tube with this designation. It has a very low noise floor and no tendency toward microphonics. It is…
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Everything special about this JJ E83CC amplifier tube is under the hood. It looks like the JJ ECC83S vacuum tube and if it wasn’t for the screening you couldn’t tell them apart. So why a…
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Although this Shuguang 12AX7B vacuum tube is listed as a variant of the 12AX7A amplifier tube there is really very little difference to discuss. Physically, they look virtually identical. There may be a slight difference…
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When I first looked at these Tungsram ECC83 amplifier tubes I thought of vintage Mullards. I don’t know if they were using the old Mullard equipment to build them or if they were just trying…
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Here’s something completely different from Russia. Electro Harmonix has released the all-new EH 7025 Tube and it’s quite a departure from their previous 12AX7 offering. Clearly this was new from the ground up and not…
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When the tube stockpiles dried up in the 80’s, and before modern tube production ramped up, there was little available on the market except the Shuguang 12AX7A vacuum tube. These 12AX7 amplifier tubes have been…
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If you have a Fender amp from the 60’s this JAN-GE 12AX7WA vacuum tube was often used as original equipment. The JAN-GE 12AX7 amplifier tube is a classic and you won’t find a better replacement…
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The Preferred Series 12AX7 vacuum tube is a versatile, quiet amplifier tube that will be at home in just about anyone’s guitar or HIFI rig. In a Fender Champ they displayed no microphonics or rattling,…
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The Genalex brand has earned a reputation as the premium tubes coming out of Russia. The Genalex Gold Lion CV4004 / 12AX7 vacuum tube is a fine example of why they got there. Tube construction…
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