You are bidding for One pair Brimar CV4003 CV491 12AU7 ECC82 Long Black Plate NOS D Getter Matched super rare. They are tested NOS, balanced tightly matched on my TV-7/U and sound wonderful on my hifi system. These tubes can be used in plcae of 12AU7 or 6072 which upgrades your system to the next level. They are deadly quiet with very harmonic sounding quality. They are super rare and sought-after items. What you see is what you get. Return is accepted if you pay the return shipping fees. Thanks

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.