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Vacuum tube

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Not all tubes are created equal.We cherry picked the best tubes from the production for the US market. Our US engineers further tested these selected tubes and classified them into 3 grades

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Though outpaced by tiny transistors and ICs, these workhorses still may have something to offer.

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Guitar Tube Amp: Want to build your own tube amplifier for guitar? There are many options: build a kit, build from an existing schematic, or branch off like I did, and try something different. Maybe, like me, you'll design and build from scratch... Check out th…

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I wouldn't necessarily call all of my electronics work my own creations; many of the amps and preamps were existing circuits or kits that I may have modified the parts list or made a few minor circuit changes. As enjoyable as it is to build them, it's preferable for me to stick with tried and true circuits created by the experts and not come up with new schematics of my own volition. There tends to be more enjoyment in the final presentation, the color scheme and the chassis work and even…

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The engineering challenges of the hot cathode vacuum tube — an invention dated 1906 — are the same today as they were then. Inventing new, more compact and efficient vacuum-tube designs proliferated madly up until the 1950s, but the art has been frozen ever since.

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Long ago, I took a class in eletronics. At the time, I had no mentor, no one to really encourage me to give serious consideration of the potential power of electronics. My teacher, Mr. Vallens, had a…

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The MC2152 70th Anniversary Vacuum Tube Amplifier is a 150 Watt per channel stereo amplifier and features a striking new design to honor our seven decades of handcrafting some of the best home audio equipment the world has ever heard.

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2019 marks 70 years in the high-end audio business for McIntosh Labs, and the firm is rolling out a limited edition commemorative system to celebrate. But you don't have to wait until next year to jump in and grab your anniversary edition tube amplifier and preamp, the order books are open now.

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