The most significant factor was undoubtedly cited by Jmcgrogan2 above. An additional factor in some cases might be that CJ preamps tend to have particularly high line stage gains, often in the vicinity of 25 db or so. If people move from analog sources to digital sources the typically higher output levels of the digital sources, in combination with such high line stage gains, may result in some systems in having to use the volume control at undesirably low settings (depending also on power amp gain and speaker sensitivity)
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Regards,
-- Al
Regards,
-- Al