Continue shopping “450TH TRANSMITTING ELECTRON VACUUM TUBE VALVE AMPEREX” has been added to your cart. Product Price Quantity Subtotal × 450TH TRANSMITTING ELECTRON VACUUM TUBE VALVE AMPEREX $270.94 450TH TRANSMITTING ELECTRON VACUUM TUBE VALVE AMPEREX quantity $270.94 Coupon: Apply coupon Update cart Cart totals Subtotal $270.94 Total $270.94 Proceed to checkout