1 low noise tube) ECC803S=12AX7 Telefunken “”Qualitex”” Ulm Germany <> bottom Gold Pins like new, made in Ulm Germany factory fairly good printing

(u ml 00) ml=1964

1 section) 1.3ma Gm=1600

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