NOS 5687
![NOS 5687](http://sophiaelectric.com/cdn/shop/products/5687_{width}x.jpg?v=1569518020)
Vintage New Old Stock (NOS) 5687 tube.
Pricing:
Grade A (top 10%) : $100 per unit with 30 days warranty.
Grade B (premium) : $80 per unit with 30 days warranty.
Grade C : $59.99 per unit with 30 days warranty.
Vintage New Old Stock (NOS) 5687 tube.
Pricing:
Grade A (top 10%) : $100 per unit with 30 days warranty.
Grade B (premium) : $80 per unit with 30 days warranty.
Grade C : $59.99 per unit with 30 days warranty.