Forward to a friend and help us engage more readersPaul McGowan is the CEO and co-founder of PS Audio Inc. a Boulder Colorado design and manufacturing company of high-end audio products and services. McGowan has been designing and building high-end products for nearly 40 years. Hobbies include skiing, music, hiking, artisan bread baking, kick boxing and cooking. He lives in Boulder Colorado with his wife Terri and his 4 sons.
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Back to our subject of direct coupling. Why did we wind up with coupling capacitors in the first place? We know that many are simply a holdover from when tube circuits dominated the landscape and as soon as solid state […]
Do you treat the room or the system? The cause or the effect? The illness or the symptoms? Our quick response to these questions would be to treat the cause rather than the symptoms – we’ve seen many examples of […]
In light of all the response I got from the latest video of the Helmholtz Resonator I thought it’d be ok to take a short break from our current thread and delve into this for a bit before returning to […]
I’ve just posted Part 4 of the video series on building our Music Room and installing the Infinity IRS. This latest video discusses in some detail Helmholtz Resonators and how they work. You can watch the video here. If you’d […]
Recent Comments
Paul McGowan: Aging memory Mark. I wrote what I remembered and then went back and actually measured it.
The Q...
Soundminded: Paul, on April 27 you posted “The main listening room at PS Audio is approximately 16 feet wide...
oliver T. Finch: Simple. Treat the cause and there won’t be any symptoms.Regards.
Brooklyn: A listener’s ears adjust to the room. If you were to walk with me from one room to another as I...
stimpy2: I like Dennis’s suggestion very much.
petewilson: As suggested above, it’s a Good Idea to fix the cause(s). But, in general with real-world rooms,...
Soundminded: In response to the question about treating the cause or the symptom in medicine it’s my...
jb4: Thank you for very interesting posts and video’s. I totally agree with your approach, cure the cause,...
oliver T. Finch: Excellent posts. I look forward to them everyday. Very informative too.I am being convinced more...
Paul McGowan: Oh my goodness yes, depending on the capacitor type the inductance is certainly an issue – for...
coppy: Great articles, Paul, Thanks. And thanks also to all those knowledgeable folks who add their comments as...
demeter: “…You cannot hear 1Hz – but you can hear 20Hz and you can feel 16Hz and even...
Bassman23: It’s been a very long time since I earned my Third Class broadcasting license. Thanks for the...
Paul McGowan: The 20 year period between 1973 and 1993 peaking in the early 80′s
oliver T. Finch: What is the second golden era of audio? This a new term to me. Regards.
Soundminded: The purpose of capacitors in the signal path in amplifiers and preamplifiers is to allow independent...
Soundminded: Yes as I pointed out in another thread some time ago the sound of the string itself is barely audible...
Paul McGowan: Sorry, I didn’t mean to suggest “more energy” in a literal sense – I guess...
Soundminded: If you could get more energy out than you put in without an external power supply or built in stored...
Paul McGowan: I’d have to agree with Mark on this one – it really depends on whose hands to instrument...
Paul McGowan: You are absolutely correct about resonance build up – just think about how a whistle or a pipe...
Soundminded: I don’t agree. One way to measure frequency response is one frequency at a time. The input and...
Paul McGowan: Well, correct me if I am wrong but those frequency response peaks won’t occur without...
Soundminded: “We don’t see this added energy in typical audio measurements such as THD and IM because these...
Soundminded: Bowing a string is just like plucking it many times a second. As the taught rosined horsehair on the...
Mike48: Our late cat listened with me often. I always thought he enjoyed the music, and he especially seemed to...
oliver T. Finch: In yesterdays post it was mentioned that if the leading transients were removed the sustained...
Newk Yuler: When my cat was younger he would look around the room when I played something atmospheric with birds...
Soundminded:
Oh but I am horrified. I went into the wrong profession. Had I only known I could have this...
Paul McGowan: Mark, don’t be horrified – and please don’t feel anything other than welcome here....