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 This set includes: (2) Matched JJ EL84 power tubes

(2) JJ ECC83S pre-amp tubes  

(1) Balanced JJ ECC83S pre-amp tube (phase inverter)

Imported from Slovakia, these brand new tubes have been tested on the industry’s most reliable, voltage controlled testing equipment and exceed all manufacturer’s specifications. They are guaranteed from the manufacturer to be new and free from any defects in materials or craftsmanship and are backed by our 30 Day Warranty.

Matching:

 We consider power tubes to match when the Plate Current(lp) and the Transconductance(Gm) vary less than 5%. We burn in all power tubes that we test for maximum stability and accuracy during testing. Test results are printed on the box.

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Ships Same Business Day when ordered before 10:00 am Eastern Time

We ship Monday thru Friday in crush-resistant cardboard boxes.

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At Audio Tubes Direct...

We import the the world's best vacuum tubes in large bulk quantities and pass the savings on to you. We test and match our tubes on the industry's most reliable, voltage-controlled testing equipment ensuring long life and premium performance and they are GUARANTEED TO MATCH.