Previously Featured Builds

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Marijan

Marijan

Reason for building this amps was that I reached the point on building my system, where the evaluation was not… More...
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Mike Weinhold

Mike Weinhold

Nelson thanks for the design. Karen, thanks for your help with the Zen 4. Here are some pictures of one… More...

Phase -Coherent Crossover Networks — Nelson Pass / 1982

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 input signal). It is not particularly obvious that two different frequency components of a signal can go into a device at precisely the same time and emerge at different times, but it is extremely common. All audio components distort the phase of the signal to some degree-even air alters the time alignment of a signal, but the biggest offenders are loudspeakers and their crossover networks. Phase shifts in… More...

Amp Camp Project — Pass DIY / 2016

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