Tag Archives: tubes

Gershman Acoustics and VAC | FLAX 2023

It’s been a couple of years since I final visited Gershman Acoustics at a excessive finish audio present. The final time was the primary time, I consider–I had launched myself to Eli and Ofra Gershman as a result of […]

Zesto Audio Bia 200 Select Stereo Amplifier:  World Premier Review

The brilliant late audiophile, J. Gordon Holt, once wrote that if the purchaser of a fine system was torn between buying a great pair of speakers or a great amp, one should choose a great amp and a good pair of speakers that fit your basic needs. He commented that he had heard numerous systems… Read More »

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The Art of Vacuum Tubes: Sophia Electric 45 Mesh Plate Triodes and Aqua 274B Rectifier

A friend of mine was looking at these Sophia Electric vacuum tubes, and she told me “They’re so pretty, they look like works of art.”  These Sophia Electric vacuum tubes really are works of vacuum tube art. The Sophia Electric 45 mesh plate triode (above) and Aqua 274B rectifier (below) vacuum tubes are not only… Read More »

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McIntosh MHA200 Vacuum Tube Headphone Amplifier

Tubes going in, and tubes going out Honey, they’ve shrunk the MC275 (or recently reviewed MC1502) and made it for driving headphones. If that’s not exciting news, what is? The McIntosh MHA200 is an all tube affair, and no you’re not seeing triple, that’s a pair of McIntosh’s Unity Coupled Circuit output transformers. McIntosh MHA200 Connectivity includes, A pair of 3-pin balanced and a single 4-pin balanced output, along with standard 1/4-inch stereo jack. Inputs accept both balanced and RCA. On the front, something interested which is detailed below, a load impedance knob. Shipping is expected to being in March 2021, and at a suggested retail price of $2,500 USD. More specific details and pictures are included in the press release below. Press Release Below McIntosh Announces MHA200 Vacuum Tube Headphone Amplifier Treat Your Headphones to McIntosh Vacuum Tube Amplification Binghamton, NY – February 4, 2021 – McIntosh, the global leader in prestigious home entertainment and ultimate-quality audio for 70 years, is proud to introduce the MHA200 Vacuum Tube Headphone Amplifier. The McIntosh MHA200 Vacuum Tube Headphone Amplifier is designed for discerning headphone enthusiasts who demand the most from their headphones. Its versatile set of connectivity options, including balanced inputs […]

Rolling the Linlai E-300 and Psvane ACME 300B – An Aural Indulgence

Most tube electronics enthusiasts are content to live with the stock tubes chosen by the manufacturer. And yet for others, comparing various types and grades of vacuum tubes into audio equipment poses an endless point of fascination, as they impart different qualities on signal passing through them, thus affecting the listening experience; some are more… Read More »

McIntosh MC830 Solid State Amplifier and C8 Vacuum Tube Preamplifier

BINGHAMTON, NY (PTA) — McIntosh is on a roll with their retro styled components. Today introducing two new open-chassis designs that are sure to entice. First the MC830 Solid State Amplifier dishes out a remarkable 300 Watts, followed by the C8 Vacuum Tube Preamplifier which features four 12AX7a vacuum tubes. More info and photos are enclosed below. Enjoy! Press Release Enclosed McIntosh Announces MC830 Solid State Amplifier and C8 Vacuum Tube Preamplifier Matching units feature an open chassis, retro styled industrial design Following in the footsteps of their immensely popular and retro styled MA252 and MA352 Integrated Amplifiers, which took design cues from their timeless MC275 Vacuum Tube Amplifier, McIntosh, the global leader in prestigious home entertainment and ultimate-quality audio for 70 years, is proud to introduce two more exciting models with similar styling: the MC830 Solid State Amplifier and C8 Vacuum Tube Preamplifier. Featuring styling reminiscent of their 1950s and 1960s designs, the MC830 and C8 are full of modern day technology to produce an amazing home audio experience. When a pair of MC830s are combined with the C8, they can form the foundation of system that can deliver a lifelike home audio experience. MC830 Solid State Amplifier The […]

Sexy Blue Tubes, Part 2, The Sophia Electric EL34-ST and KT88-ST Vacuum Tubes!

It has been quite some time since my last article for Positive Feedback about the Sophia Electric vacuum tubes developed and offered by Sue and Richard in McLean, Virginia. It was all the way back in August of 2017 that I wrote about the Sophia Electric EL34-ST (photo below) and Aqua 274B vacuum tubes (HERE),… Read More »

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