Mullard E88CC 6922 Matched Pair - GEC Label - Mitcham, GB 1965/66 7L1

Description: Soundlumia's Opinion This is not a listing about audio tubes but an invitation for you to hear the sweetest voice on Earth. No other tubes can deliver vocals like the Mullard's, whether they're from Mitcham, Blackburn or Heerlen, and that's a fact. These E88CC tubes are particularly special because they have the very rare yellow print and Cossor label and are being hunted to near extinction by audiophiles and sound professionals. And yes the "British Made" lettering is a BIG deal not only because it certifies the tube's true Gt. Britain origin but also because it appeared on select batches of Mullard tubes from select years of manufacturing only. "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 Mitcham Mullard tubes. The top end is silky and pleasant and doesn't get rolled off. They retain a fine sense of "air" at the top, and the upper midrange is smooth and liquid. These tubes reproduce human voice, especially female voices, with haunting realism. Full disclosure from your peer audiophile: Mitcham E88CC's are my go-to tubes for listening to Maria Callas and Frank Sinatra and I refuse to use other tubes. Mitcham Mullard's are also known to have an attractive sparkle at the top with rich bass...now we know where that "warm British jacket" comes from! Professional Sound Evaluation The pair worked wonderfully and sounded terrific in our professional studio setup for monitoring. - Input: Cambridge Audio CXC V2 dedicated CD transport + Schiit Audio Bifrost 2 Multibit DAC - Amplification: Liquid Platinum Tube Amplifier by Alex Cavalli - Output: Focal Clear MG Pro open-back headphones Our full tube sound review was written 100% based on the actual listening experience while this pair of tubes were running in the system described above. Professional Tube Testing This set was tested and certified by RoeTest V11 Professional Tube Testing System with the following result: Tube 1: Measured transconductance(GM): 14.19/14.44 mA/V - 114%/116% (100% = 12.50 mA/V)Measured plate current(IA): 22.364/22.101 mA - 149%/147% (100% = 15 mA) Tube 2: Measured transconductance(GM): 15.79/14.59 mA/V - 126%/117% (100% = 12.50 mA/V)Measured plate current(IA): 24.666/21.771 mA - 164%/145% (100% = 15 mA) NO shorts, leakage or gas. NO noise or microphonics. Curve trace is also included in the original RoeTest report. Appearance & cosmetic condition Silkscreen: 85% - 90% (Excellent) Date codes: 7L1 R5K1 (R = Mitcham, GB, 5 = 1965, K = November, 1 = Week #1 of the production month)7L1 R6B2 (R = Mitcham, GB, 6 = 1966, B = February, 2 = Week #2 of the production month) Packaging NEW reproduction Mullard tube boxes.Shipping Policy - US Shipping: Flat-rate USPS Ground Advantage (upgradable to flat-rate USPS Priority or FedEx 2nd Day for expedited delivery.) - International Shipping: Flat-rate USPS First Class International (upgradeable to flat-rate UPS Worldwide Expedited or DHL Express for expedited delivery.) Due to logistic issues with destination country's postal service, we are unable to ship to the following countries using USPS First Class: Armenia, Chile, China, India, Latvia, Mauritius, Mexico, Serbia, Slovenia, Tuvalu. If you are a buyer from one of these countries, you must contact us to arrange shipping prior to purchase. - Same day shipping: Orders placed by 2:00PM US Pacific Time on weekdays are posted on the same day, otherwise the next business day. - Combined shipping available - request invoice for total before making payment or receive shipping credit after order ships. Return Policy - Please READ carefully Returns are acceptable if we made a mistake by delivering you wrong or defective products. Tubes we sell are guaranteed to work because we run professional tests and sound evaluation TWICE: before they are approved for listing AND before we ship them to customers. So the "defective item" case doesn't exist and please do not bother trying - this type of returns will NOT be accepted without proof that tubes are faulty and we will open disputes with eBay. Sound experience is very subjective and we do NOT accept returns because you do not like the tube's sound signature or because you changed your mind about your purchase. Please contact us to work things out before submitting return requests claiming "item is defective" or "item not as described" or "just didn't like it" or "changed my mind." Tube rollers abusing the return system will be reported to eBay immediately and negative feedback will be left to your account - that's guaranteed. We have already opened several dispute cases to report abusive buyers and eBay has always ruled in our favor. International buyers who request return or refund claiming your country's import duties or sales tax/GST/VAT are too high will be reported to eBay immediately for dishonesty and will be permanently blacklisted from purchasing from Soundlumia. We are committed to working closely with eBay to help rid the marketplace of dishonest, unjust, unreasonable, abusive buyers that are detrimental to the vintage tubes market and the audiophile community.

Price: 323.65 USD

Location: Torrance, California

End Time: 2024-08-10T07:05:03.000Z

Shipping Cost: 5.5 USD