Home Tweakers' Asylum

Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

Additional tweak

I sugest that you avoid digital attenuation and either install a volume pot on your amp's input or buy a passive preamp (TVC are the best IMHO) or tube preamp.
By using digital attenuation, your system is throwing away dynamics, transparency and definition by the truckload.

I know this from experience; for example Wadia CDPs have digital and analog attenuation. One can use either or both, depending on total system gai and speaker effieciency. As long as one uses Wadia's analog attenuator, sound quality is fine. However, a few db of digital attenuation bring a huge loss in sound quality. This has been confirmed by at least two friends who own Wadia gear.
Also, I have a CDP with analog attenuation, no problems there, as long as the power amp's impedance is above 10K ohms.

An EE or any DAC chip data-sheet will confirm that todays DACS are capable of 105 db dynamic range, ONLY if the DAC uses all of its bits and does not compromise the digital data.
Most cheap CDPs & DVDs have around 90 db dynamic range, because they in fact lose/corrupt part of the through through cheap parts/implementation.

I bet you do not want your CD player to sound like a $ 60 DVD :)
Good luck, peace


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  • Additional tweak - Carlos 04/3/0715:56:00 04/3/07 (1)


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