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(!!!!) (Best Single #2) ECC803S=12AX7 Telefunken Qualitex Ulm Germany <> bottom like new 1964 (1.3/1.5ma and Gm=1600/1800)
(!!!!) (Best Single #2) ECC803S=12AX7 Telefunken Qualitex Ulm Germany <> bottom like new 1964 (1.3/1.5ma and Gm=1600/1800)
$ 1,098.88
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
See more: vacuum tube
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 (Best Single #2) ECC803S=12AX7 Telefunken Qualitex Ulm Germany <> bottom like new 1964 (1.3/1.5ma and Gm=1600/1800) "Pin It")