Matched PairSame code
Vacuum TubesBlack PlatesSide O Getters
Tested at 54 & 56
on a calibrated TV-7D/U tube tester
which is 110% & 114% of New
Plate current = 38.3 mA & 36.6 mA
All tubes are fully guaranteed for 30 days. Each is tested for emission,
dynamic mutual conductance, shorts, plate current & gas as applicable. We use a
Dan Nelson 2018 calibrated TV-7D/U with sweep tube adapters, & digital meter
with plate current test. We also use a Hickok 800a & a Precision 640 (with a
Model B-16 socket adapter) both calibrated in 2017.
Canadian shipping for this item is $11.95 - click the "Add to Cart" & request
For Multiple item purchases click the "Add to Cart" selection for each item
After all items have been added to your cart click on "Request Total From
An invoice will be returned with the correct 'combined shipping' & total due
If your purchase is not fully satisfactory please contact me .
My guarantee is that you will be satisfied or you can return for an exchange
or a full refund of your purchase price and original shipping charge (your
choice providing that I have an exchange).
If you are returning because the item is defective or not as described I will
also refund your return shipping cost.
Please do not ask for false value on customs forms.
Except for Canada, Australia, western Europe, and Japan orders totaling
100.00 or more must be registered which will be $13.00 plus the International
First Class parcel rate. Below $100.00 it's your option. **Any taxes, import
fees, or customs fees imposed by your country are your responsibility to
pay. **You are responsible for making sure that items purchased are legal
for import into your country. I am not responsible for your purchases that
may be seized by your country's customs offices.