1 low noise tube) JAN-12AT7WA Raytheon NOS black plates – triple mica – O getter halo 1968 very good printing

13.8ma Gm=6600

13.4ma Gm=6800

Recommended for

– Eclair Engineering ”Evil Twin” Tube DI (direct input box)
– Atma-sphere preamp
– JC Morrison custom phono
– David Berning Quadrature Z amp