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Mullard
2x Mullard 12AU7 ECC82 Short Plates - Philips Label - Blackburn, GB '61/'62 Gf1
2x Mullard 12AU7 ECC82 Short Plates - Philips Label - Blackburn, GB '61/'62 Gf1
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$223.75 USD
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Soundlumia's Opinion
No other tubes can deliver vocals like the Blackburn Mullard's, and that's a fact. These ECC82 tubes, especially the early 1960s ones, are extremely hard to find today and are becoming every serious audiophile's darling.
The overall tonality of Mullard ECC82 tubes is warm and lively with a very spacious sound stage. "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 the experts on audiotubes.com describe the sound signature of British-made 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 the human voice, especially female voices, with haunting realism. The British made Mullard tubes 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 Tube Testing
Tube 1:
Measured transconductance(GM): 1.98/2.01 mA/V - 90%/91% (100% = 2.20 mA/V)
Measured plate current(IA): 9.662/9.722 mA - 92%/93% (100% = 10.5 mA)
Tube 2:
Measured transconductance(GM): 2/1.7 mA/V - 91%/77% (100% = 2.20 mA/V)
Measured plate current(IA): 10.262/9.887 mA - 98%/94% (100% = 10.5 mA)
NO shorts, leakage or gas. NO noise or microphonics.
Curve trace is also included in the original RoeTest report.
Appearance & cosmetic condition
Silkscreen: 100%
Date codes:
Gf1 B1J1 (Gf1 = ECC82/12AU7 Short Plates Generation #1, B = Blackburn, GB, 1 = 1961, J = October, 1 = Week #1 of the production month)
Gf1 B2D1 (Gf1 = ECC82/12AU7 Short Plates Generation #1, B = Blackburn, GB, 2 = 1962, D = April, 1 = Week #1 of the production month)
Packaging
NEW reproduction Mullard tube boxes.
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