6DT6 or 6DT6A VACUUM TUBE Various Brand All Tested NOS ( QTY 1 TUBE )

Description

DESCRIPTION:
Condition
All Tested NOS true NOS we never know
Some boxes are brittle, or have imperfections, starting to crumble
Please note: These tubes may be NOS or test NOS but will actually have a few hours of use from manufacturer or due from testing through time to time on them. A truly NOS tube will have excellent getter flashing condition, no dirt/grime, usually in the original box, and no filament deposits and has never been tested. Please expect the tube to have a small amount of used
Since vacuum tubes were made 30 – 70 years ago New Old Stock or Used may have cosmetic evidence of age.  This includes poor print, oxidized pins, faint discoloration, or poorly box
All tubes will be tested before shipping.
On a mutual conductance tester=GM
Either on Hickok models 6000/A,539C,533A,800,VT-7b/u,I-117 military tester or a B&K 700,707,747
1. Complete visual inspection
2. Allow 1 minute warm up time
3. Test for actual real-life mutual conductance (life) of the tube (including any shorts,gas and leakage)
4. Test for proper gain of the tube (perhaps the single most important test of a preamp tube
5. Test for noise -both in static and dynamic situations
6. Repeat all tests for
accuracy on other tester
If some prove defective during testing, and we are unable to provide a substitute acceptable to buyer, an immediate no hassle refund will be issued.
Shipment
Items are normally shipped within 1 to 2 business days of payment clearing, most of the time much sooner We ship Monday thru Friday and sometime Saturday but I can’t promise. We will do all we can to help. We ship via USPS or Fedex.
If you purchased multiple tubes, I will combine shipping cost depending on weight and package size.
PLEASE USE "ADD TO CART" when making your multiple purchases within my listings. When done it will automatic combined. it doesn't please
request to combined shipping prior to payment to receive a combined shipping
.
Shipping for the first tube, will cost $ 3.98 + $ .75 cents for each additional tube,
For international Buyer please request price
International Buyers
Please Note:
Buyer is responsible for all taxes, duties, and import fees. Please contact your local customs office for costs. We will not mark your purchase as a gift.  We do not generate shipping costs.
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