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Secrets Q&A with John Siau of Benchmark Media Systems

Secrets Q&A with John Siau of Benchmark Media Systems

Secrets Q&A with John Siau of Benchmark Media Systems

- Sumit Chawla, PH.D., January 6, 2022

"Benchmark Media Systems is a small but accomplished audio manufacturer headquartered in Syracuse, New York...

They have built their reputation over the last almost 40 years on designing and producing audio equipment of exceptional transparency and performance...

Secrets contributor Sumit Chawla recently caught up with Benchmark’s VP and Chief Designer, John Siau to get a little more in-depth on several subjects."

John Siau, VP Engineering, Benchmark Media Systems, Inc.

Q: "Benchmark is one of the few companies that publishes an extensive set of measurements, but you also balance that with subjective testing. Can you talk about the equipment, the listening room, and the process for subjective testing?"

Q: "Was there ever a time where you learned something from a subjective test that was not captured by measurements?"

Q: "You conducted some listening tests to determine whether distortion in the “First Watt” was audible. What test material did you use for this, and what did you find?"

Q: "The AHB2 amplifier incorporates THX Audio Achromatic Amplifier technology. When and how did the partnership with THX come about?"

Q: "Linear power supplies have been and remain quite popular in high-end devices. You favor switch-mode power supplies. When and why did you make this switch?"

... and more!

Read the full interview here 

 


Also in Audio Application Notes

Audiophile Snake Oil

Audiophile Snake Oil

by John Siau April 05, 2024

The Audiophile Wild West

Audiophiles live in the wild west. $495 will buy an "audiophile fuse" to replace the $1 generic fuse that came in your audio amplifier. $10,000 will buy a set of "audiophile speaker cables" to replace the $20 wires you purchased at the local hardware store. We are told that these $10,000 cables can be improved if we add a set of $300 "cable elevators" to dampen vibrations. You didn't even know that you needed elevators!  And let's not forget to budget at least $200 for each of the "isolation platforms" we will need under our electronic components. Furthermore, it seems that any so-called "audiophile power cord" that costs less than $100, does not belong in a high-end system. And, if cost is no object, there are premium versions of each that can be purchased by the most discerning customers.  A top-of-the line power cord could run $5000. One magazine claims that "the majority of listeners were able to hear the difference between a $5 power cable and a $5,000 power cord". Can you hear the difference? If not, are you really an audiophile?

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Closeup of Plasma Tweeter

Making Sound with Plasma - Hill Plasmatronics Tweeter

by John Siau June 06, 2023

At the 2023 AXPONA show in Chicago, I had the opportunity to see and hear the Hill Plasmatronics tweeter. I also had the great pleasure of meeting Dr. Alan Hill, the physicist who invented this unique device.

The plasma driver has no moving parts and no diaphragm. Sound is emitted directly from the thermal expansion and contraction of an electrically sustained plasma. The plasma is generated within a stream of helium gas. In the demonstration, there was a large helium tank on the floor with a sufficient supply for several hours of listening.

Hill Plasmatronics Tweeter Demonstration - AXPONA 2023

While a tank of helium, tubing, high voltage power supplies, and the smell of smoke may not be appropriate for every living room, this was absolutely the best thing I experienced at the show!

- John Siau

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Benchmark AHB2 Power Amplifier

Audio Calculators

by John Siau June 04, 2023

We have added an "Audio Calculators" section to our webpage. Click "Calculators" on the top menu to see more like these:

THD % to dB Converter

Results update on input change.

Results

THD dB to % Converter

Results update on input change.

Results

Read Full Post