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(!!!!!) (Best Siemens Pair) 12AT7=ECC81 Siemens Halske Germany NOS 1969 (8.6/9.0ma and 8.4/9.6ma)

(!!!!!) (Best Siemens Pair) 12AT7=ECC81 Siemens Halske Germany NOS 1969 (8.6/9.0ma and 8.4/9.6ma)

$ 149.99

1 low noise pair) 12AT7=ECC81 Siemens Halske Germany NOS 1969 same date codes

1 tube) 8.6/9.0ma Gm=5200/5300 

1 tube) 8.4/9.6ma Gm=5400/5600 

 

Good Ma range 8-10ma

Good Gm range 4500-5500  

Recommended for

- Eclair Engineering 'Evil Twin' Tube DI (direct input box)
- Atma-sphere preamp
- JC Morrison custom phono
- David Berning Quadrature Z amp
See more: vacuum tube
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