Thanks Hedwig for the reply. Still breaking in, but short term report is that the differences are there but not hugely pronounced so far. The Gold Lions seem a bit more quiet in terms of noise floor, and there is somewhat tighter and deeper bass. Also perhaps a bit more resolution to the sound. High frequency extension seems similar, but overall balance is different. The Mullards do have more midrange bloom and perhaps a shade more texture that I like with vocals. More listening and break in to come...
I do still want to try out the Psvane driver tubes in place of the Sophias in one of both of my units, and will do so after the first of the year.
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McIntosh MC501s, XRT29s, XR27, WS350s
ModWright LS 300 Preamplifier
Denon AVR-A100 HT Receiver
JL Audio F113 subs with CR-1 Crossover
Schiit Audio Yggdrasil DAC (Analog 2 + Unison USB)
Sonore Ultrarendu with Uptone Audio LPS-1.2
Uptone Audio EtherREGEN network switch with LPS-1.2
Oppo UDP-205 with ModWright Signature Truth Tube Modifications
Clearaudio Performance SE TT with Hana ML MC cartridge
ModWright PH 9.0x Phono Stage
ASC & RealTraps Panels; APS PurePower 2000; Daedalus Audio DiDs
LAT International, Shunyata, Wireworld, WyWires Cables
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