Mullard E88CC/01 = CV2493 = 6922 Matched Pair - Blackburn 1960 - Same code - NOS

Perfect matched pair of vintage Mullard E88CC/01 audio tubes - Made in Blackburn, Gt. Britain - 1960 - Gold Pins + Shield logo - Same date code - Ultra Rare Tubes Summary  The "Super Mullard" is here!  E88CC/01 (a.k.a CV2493) - fully equivalent to E88CC/6922 but a HUGE step-up in both sound quality and build. Most of these tubes were factory screened for tight internal matching and low noise, and Mullard's E88CC/01 type has even more factory testing, so they are essentially CCa tubes (sounds more familiar?) Manufactured in very limited quantity (simply because the selection standard was too high for mass produced tubes to meet) and today they are being hunted to near extinction by audiophiles, tube enthusiasts and sound professionals.  Sound Qualities "Like a warm British jacket of the finest tweed, these glorious tubes have an attractive sweet warmth in their midrange and lower regions."  This is how experts on audiotubes.com describe the sound signature of British-made Mullard