1 low noise tube) 12AT7WA Raytheon black plates - triple mica - O getter halo 1965 era like new
8.5ma Gm=5200
9.2ma Gm=5600
Recommended for
- Eclair Engineering 'Evil Twin' Tube DI (direct input box)
- Atma-sphere preamp
- JC Morrison custom phono
- David Berning Quadrature Z amp