NOS EF37A

NOS EF37A
Regular price
$49.99
Sale price
$49.99

Vintage New Old Stock (NOS) EF37A tubes.

Pricing: 

Grade A (top 10%) : $100 per unit with 30 days warranty. 
Grade B (premium) : $69.99 per unit with 30 days warranty.
Grade C : $49.99 per unit with 30 days warranty.