(!!!!!) (Best Pair) ECC803S=12AX7 Telefunken Qualitex Ulm Germany <> bottom like new 1964 (1.5/1.6ma and 1.6/1.5ma) 1-2% matched (Nagra, Lamm, VTL, Aesthetix, Diva)

(!!!!!) (Best Pair) ECC803S=12AX7 Telefunken Qualitex Ulm Germany <> bottom like new 1964 (1.5/1.6ma and 1.6/1.5ma) 1-2% matched (Nagra, Lamm, VTL, Aesthetix, Diva)

Was $2,499.87 SAVE 8%
$2,288.88
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1 low noise matched pair) ECC803S=12AX7 Telefunken "Qualitex" Ulm Germany &lt;&gt; bottom Gold Pins like new, made in Ulm Germany factory fairly good printing 1-2% matched (u ml 00) ml=1964 1 tube) 1.5/1.6ma Gm=1800/1800  1 tube) 1.6/1.5ma Gm=1700/1700    Matched on Amplitrex Good NOS Gm range 1600+ Good NOS mA = 1ma+ Low Noise and not microphonic   Recommended for - Lamm Industries ML3 Signature mono amps - Nagra PL-L preamp - VTL 7.5 preamp - Conrad Johnson Premier 15 phono preamp - Jadis - Aesthetix - Diva Audio M7 preamp    

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$2,499.87 $2,288.88 (-$210.99)