(!!!!) (Good Value Single) 6SN7GTB Westinghouse USA black plates "D" getter halo like new 1960 (6.8/7ma)

1 Low Noise tube) 6SN7GTB Westinghouse USA black plates "D" getter halo like new 1960 in white box

1 section) 6.8ma Gm=2500

1 section) 7.0ma Gm=2500

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- CARY preamps and amps
- Rogue Metis 2004
- Wright Sound