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RE: Most likely

A single frequency makes it easier to discuss.

While failing to address relevant audible factors.

How is one with "impact" going to differ from one without impact?

Have you ever experienced Stravinsky's The Firebird live? The Rite of Spring? Carmina Burana ?



Those sharp spikes in The Firebird represent the explosive dynamics of that piece. It's the kind of music that can startle the crap out of you with the instantaneous transient power of the brass and percussion and raise the hair on your arms. Such requires an analog output stage capable of large, unencumbered voltage swings. Back in the 70s, I had an Audire power amp. It was a pretty decent sounding unit in its day rated at 100 watts per channel and used a pair of 10,000 uF capacitors in the B+. Following the lead of Frank Van Alstine and his "Double Dyna" modification to the Dynaco 400, I added an outboard power supply with an additional 60,000 uF of capacitance. Audible difference? Exactly what I'm referring to - more impact especially in the bass. Like when reproducing a concert bass drum. The same applies to any amplification stage. You'll find the very best sounding gear has enormous power supplies which allows it to retain that explosive - and impactful - dynamic quality you hear with live music.

rw

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