Crown jewel audiophile top sonic elektronska industrija nis!
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Introduced back in 1949, the 5751 are a military spec rugged industrial grade low noise premium 12ax7 ecc83 plugin sub. originally designed for aviation, triple-mica 5751 were costly, and feature a slightly higher current of 175ma (vs. 150ma 12ax7).
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Introduced back in 1949, the 5751 are a military spec rugged industrial grade high performance 12ax7 ecc83 plugin sub. w/ a long tenured history going back to 1931, mazda matsuda black plate triple mica dgetters are the earliest toshiba ever made.
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12ax7 ecc83 cv4004 5751 e83cc ecc803 6057 6681 7025 7058 7729 b759 m8137 12rhh14 + more. w/ heavy-weight quality you can be feel, see, and hear! full mutual conductance % gm test +leak/short/gas and life (longetivity) tests + sound / noise checks.
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Actual pictures. NOS e83cc one tube.
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12AX7 / TUBE1 1.2 1.5 1.7 1.8. 100% is : Ia = 1.2mA & S=1.6mA/V. TUBE2 1.2 1.5 1.8 2.0.
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12ax7 ecc83 cv4004 5751 e83cc ecc803 6057 6681 7025 7058 7729 b759 m8137 12rhh14. old panasonic audiophile crown-jewels, highly revered for incredible sound reproduction, + often compared to mullard sonics.
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12ax7 ecc83 cv4004 5751 e83cc ecc803 6057 6681 7025 7058 7729 b759 m8137 12rhh14. the hitachi tone is revered worldwide, often described as balanced, crisp, warm, beautiful and loving, w/ a juicy character.
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