Technical

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by: true-apex-admin

When a speaker designer sets about to design a loudspeaker they have a number of physical constraints that they have to work within, and being engineer types we have all sorts of buzzwords that...

Jul 1st, 2013
by: Nelson Pass

Every audiophile understands the concept of the “sweet spot”, that happy balance of conditions that elicits the best possible sound. It can be a particular listening spot, the best...

Oct 10th, 2009

Lots of people don't understand electricity, but they do understand plumbing. Hydraulics provides a good analogy in understanding basic electrical flow. Wire is a pipe. Water pressure is...

Aug 1st, 2009

Audiophiles seem to revel in minor controversies – vinyl vs CD's, tubes versus solid state, capacitor, wires, magic dots... and negative feedback. At one extreme, the position is that...

Nov 1st, 2008
by: Nelson Pass

The meters on our amplifiers are different. They reflect the current consumption of the amplifier, and when the amplifier is operating, they don’t go down to zero like the meters on other...

Oct 1st, 2008

Sometimes two designs complement each other so well that you are surprised they weren’t invented together. So it is with the X Super- Symmetric amplifier and the Aleph single-ended Class A...

Sep 10th, 2008

Within the Pass Labs pre-amplifier family we typically see two installation errors, both involving cable issues. The most common error concerns improper sequence of cable connection for our pre-...

Dec 4th, 2002
by: Kent English

Your brand new component is hooked up, fresh from the box, and the first time you power it up is a sonic disaster; it hums, it buzzes and in general sounds absolutely dreadful. Glaring at your...

Nov 1st, 2002
by: true-apex-admin

I have built two Nelson Pass designs, Balanced Bride of Zen preamp and two Zen Power Amps, and am very pleased with the end results.

Jun 1st, 2001

U.S. Patent # 5376899 describes a new amplifying circuit topology that takes advantage of the character of special matched balanced amplifiers that are cross-coupled to provide cancellation of...

Oct 10th, 1998
by: Nelson Pass

Single-Ended Class A amplifiers have certainly hit it big in the four years since we began testing the first Aleph 0. So is this just another audio fad, or is there something fundamental about...

Sep 1st, 1998

The importance of phase response in the audio chain has been brought to greater focus recently by equipment claims of phase coherency, (the output signal has the same phase relationships as the...

Aug 1st, 1998

AUDIOPHILES RECENTLY BEGAN re-examining the performance of every link in the audio playback chain, and before long their attention turned to the lowly loudspeaker cable. In response to demand, a...

Jul 1st, 1998
by: Nelson Pass

Lowering distortion in power circuits without compromising their transient response remains a primary problem for designers of audio power amplifiers. Until fairly recently, the favorite technique...

Jun 1st, 1998

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