GENALEX DYNACO by MULLARD UK KT88 6550 TUBES LEGENDARY BLACKBURN ENGLAND SET

Closely Matched Codes: SA Z Z. Set of Two (2) Tubes. BEST TUBES ON THE MARKET... At Idle - See Pictures. Nicely Balanced - Rare and Exceptional - Full Tonal Range. ZERO Drop in Tube Life Test. EXCL USIVE HIGH FIDELTY TUBE. THESE ARE THE REAL DEAL.

1950's Dynakit MonoBlock Amplifier. With Zero Drop in Tube.

Is STRONG and Tube Life exceptional.. All of my Tube Inventory is Boxed and Thoroughly Tested.. Test Ratings are Specific to. My Fully Calibrated Test Equipment! The tubes are put through a. And each plate is warmed and measured for emission, leaks and shorts! Each tube is thoroughly inspected, they are described accurately and listed based on fair value.. All tubes are Guaranteed to be as described...

Tube rolling will not be tolerated! Test Driving Vintage NOS Tubes is completely unacceptable and highly unethical!

All tubes manufactured emit some type of sound, hum or slight microphonic! Noisy tubes would always be auctioned or tossed.. I mark every tube in order to avoid tube rolling!

Variations in Line Output and Test Equipment excludes any claims regarding matching test results on any equipment other than mine.. Test results from different Test Equipment IS NOT Guaranteed!