The NOS Amperex tubes went back in late yesterday afternoon, and I spent a couple of hours listening to NPR. I try to listen normally in cases like this, not for background or critically; it's a more honest take for me. The sound didn't seem too different from that of the JJs, but things seemed a bit more forward with the Amperexes, voices in particular.
I don't think the 15 or 20 hours the Amperexes have on them already is enough of a gauge, so I'll be listening as time goes on. The Amperex tubes will stay in until at least St. Patrick's day (3/17), and by then I should have a good notion of what they are to my ears.
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SOTA, Grado, SME, Van den Hul, Gingko turntable setup; Pioneer Elite LD, BDP; Sony OLED TV; Magnum Dynalab tuner, antenna; MIT S-video cable; Pangea HDMI cables; DVDO video processor; McIntosh SACD, preamp, power amps; Telefunken Black Diamond preamp tubes; Kimber IC; Transparent IC, PC, SC; Mirage speakers; PS Audio, Shunyata PC; Audio Additives RCA caps; Furman power conditioning; Sanus: racks
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