GE104: Vintage GE 6SN7 GTB matched pair
![GE104: Vintage GE 6SN7 GTB matched pair](http://sophiaelectric.com/cdn/shop/products/GE104_{width}x.jpg?v=1634411732)
Two GE 6SN7 GTB matched tubes -- one matched pair, tested at 97% 97%, Grade A used pair, one of the tubes has black burn mark on the top of the glass enclosure.
Price: $269.99 for both tubes with 30 days warranty