A408K = RE084k VALVO  Röhren Tubes Valves NOS audio Triode neumann 4 pcs
Tubes are new never used, in white boxes.
Same production date. Nice sound.
What you see, is what you get.
tested with FUNKE W19
A tube  6.0 mA
B tube  5.9 mA
C tube  5.9 mA
D tube  5.8 mA
 
very close testing.
minimum for a good tube is 3.8mA (2.8mA<?<3.8mA)

Private seller. Tracking number.
What you get is what you see.
I do combine shipping. If you want to combine please email me before paying.

If item is defective and not working on arrival, please contact us within 7 days of receiving the defective for repair or refund. Refund will only be provided for products damaged in the post. Item may be returned within 14 days of purchase upon your receipt.All items returned must contain all original packaging materials.

Buyer is responsible for the return postage. Shipping and handling charges, insurance are not refundable in any case. We are only responsible for once re-sending expense for replacement due to defects.

Buyer is responsible for the return postage. Shipping and handling charges, insurance are not refundable in any case. We are only responsible for once re-sending expense for replacement due to defects.