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Mullard

Mullard E88CC Tubes Matched Pair - Mitcham 1973 - Philips Label - Same Code -NOS

Mullard E88CC Tubes Matched Pair - Mitcham 1973 - Philips Label - Same Code -NOS

Regular price $170.00 USD
Regular price Sale price $170.00 USD
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Perfect matched pair of vintage Mullard E88CC 6922 audio tubes - Made in Mitcham, Gt. Britain 1973 - Philips Labeled - Same Date Code - NOS

Product Summary 

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 dimple disc getter and are being hunted to near extinction by audiophiles 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 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

Both tubes tested NOS (100%+ nominal mutual conductance) on a Mercury 2000 tube tester with the following result (mutual conductance in uMhos and percentage of nominal):

Tube 1 (Left):   13,000/13,000 (104%/104%)
Tube 2 (Right): 13,100/13,000 (105%/104%)

Good tubes start at 7000 and new tubes (incl. NOS/NIB) 12,500 - 13,000, and the Mercury 2000's rated mutual conductance (nominal) for new tubes is 12,500. Test result can also be seen in the pictures. In case you wonder what all these numbers would mean to your sound experience, it's actually quite straightforward: mutual conductance directly translates to a tube's ability to amplify sound so the higher the numbers the stronger.

Appearance & cosmetic condition

We treasure this pair also because of the pristine condition of both tubes - nearly 100% of the paint and lettering are well retained. The identical Mitcham date code etched in glass is also perfectly visible: 

7L1 R3E1 (7L1 = change code, R = Mitcham, 3 = 1973, E = May, 1 = the 1st week of the month) 

Shipping Policy 

- US Shipping: Flat-rate ($5.50) USPS Ground Advantage for ALL states.

- International Shipping: Flat-rate ($20.00) USPS First Class International for ALL countries.

 - Orders ship within 24 - 48 hours
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