(!!!!) (Best Overall Single) ECC803S=12AX7 Telefunken Ulm Germany <> bottom NOS 1967 (1.5/1.5ma and Gm=1800/1800) 1% section balance
$1,298.88
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1 low noise tube) ECC803S=12AX7 Telefunken Ulm West Germany <> bottom Gold Pins NOS (U1207301=1967) 1% section balance, made in Ulm Germany factory, very good condition - very good printing 1 section) 1.5ma Gm=1800 1 section) 1.5ma Gm=1800 Tested on Amplitrex Good Gm range 1500-1600+ Good 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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