You are bidding for 1 NOS NIB matched pair 6n30p/6h30p Dr, Russian millitary, code 1980s, super rare tubes. The tubes were made for military purposes only starting from 1967 to 1994. After that commercial versions were made along with quality decline. Thus, these are 10.000 hours with stunning quality which really becomes sought-after items for audiophiles worldwide. They are carefully tested on my TV-7/U and my hifi system before being packed. I guarantee the best quality of my tubes. Return is accepted if you pay for the returning fees. Thanks a million

Product information "6N30P-DR / 6H30n-DP"

6N30P-DR / 6H30n-DP Super Tube

This rare 6N30P-DR (made from 1967 to before end of 1992) includes gold grids and is the absolute top grade of the 6N30 tube type rated for 10,000h operating lifetime. The DR grade means this tube had to pass rigorous testing for space and military applications within the Soviet Union. The DR grading does designate it to perform much better than the 6H30P-EB or EV versions. Later reproductions of this tube (since 1999) never reached same quality level.

Our stock has been produced not later than 1992. The 6N30P-DR is used by worlds highest quality audio amplifier manfacturers including Audio Research REF610, REF 5, REF 3 series, CD7 + CD8 player und REF2 phonostage for example

P/S: The shipping fees in the listing is by regular mail (normally Vietnam post) taking from 12-25 days depending on buyers' local customs. To some regions, it can take even longer than that. Besides, Vietnam post is not always available to some countries in South America, Northern Europe or Africa. Please ask me before paying. If you want to use express shipping services like DHL, Fedex or UPS express taking 3-7 working days, you have to pay an extra of around $68.75. (For order over $1000, Express shipping service is a must. Please wait for the invoice to pay). Please let me know so that I can send you an invoice. If the item(s) purchased may not arrive or faulty, please don't hesitate to contact me before opening cases on ebay. I am willing to reach to a solution and make you completely satisfied. Thanks a million.