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Technical and scientific discussion of amps, cables and other topics.

Re: Euphonic Compression

That glare is system. Not the drivers. 99% of all speakers with crossovers hide this anomalie. High efficiency designs convey it. It's either a tube or wire, possibly combinations. The speaker driver is far less capable of creating glare on it's own than an amplifier. Magnet wire is easily had at Radio Shack for $3.99 for 3 sizes. Long crystal and enamel coated it is the basic ingredient for experimentation.

This is why Directly heated triodes work best with high efficency. Tube circuits, especially push pull and hybrids etc. are prone to emphasising this upper midrange/treble resonance. SET's with Direct Heating have no resistors and capacitors in output stages and instead use chokes and transformers to couple the signal, far better tonality is the result.

Try some of the smallest magnet wire in the ratshack 3 pack for speaker wire. It does help "damp" some of the ringing. But damping and filtering are working in the wrong direction ultimately. The actual source of the problem lies not in the speakers driver but in the system IMHO. If damping electrically is needed, plain wire, either as a transfer function from amp to speaker or as a component of the speaker in the form of coil or tranny works better than splitting the signal into smithreens with ceramic or semiconductor. Follow link for introduction to Direct Heating. TC


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