For me its the first or very early LP's of: Allman Brothers - "Allman Joys" "Idyllwild South" Santana - "Santana" 200 g reissue Emerson Lake and Palmer - "Emerson Lake and Palmer" and, Beethoven - "Piano Concerto No. 4 in G Major" Rudolph Serkin/Ozawa/BSO
Telefunken’s are just dead quiet. Hard to believe they can not make newer tubes ‘in mass’ with the same properties.
For me, the next step up from the Teles are Grant Fidelity’s Shuguang black 12AX7LS. Silent and even better in every respect. They do take at least 20 hours to open up though. They work best in the first phono gain stage.
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