These tubes are electrically equivalent to 6SN7 when used with adapters (not included). Adapters are NOT included (required for 6SN7 socket use). These early Raytheon carbonized black plate VT-99 are known for a presentation that differs noticeably from later 6SN7GT/GTB types.
Item Tag: 6F8G VT-99
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RARE NOS TUBE CV1917 BRIMAR TUBE SIMILAR TO VT-99 6F8G WITH ADAPTER = B65 / 6SN7
BRIMAR CV1917 NOS TUBE WORKS AMAZING TESTED NEW IN NEW CONDITION. ULTRA RARE VERY UNIQUE TUBE SIMILAR TO 6F8G / VT-99. THIS VERY RARE TUBE HAS SUPER THIN PLATES ROUND MICAS. A VERY HIGH QUALITY VALVE.