Collectible, carefully curated direct japan import.
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Ɛ579, rca label, w/ boxes included. hard to find + premium special grade 12ax7. crown jewel '60s marconi, highly revered for their incredible sound reproduction, and often compared to mullard sonics. 6v6 6l6gc 6as7g 6sl7 6sn7 / 6060 6072 6080 6085 6106 6136 6158 6189 6201 6414 6520 6550/a.
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One of the highest ranked (and oldest) 12ax7 ever made, grail usa 1950s dgetter cbs usa, w/ authentic 7025 etch (important). + more rugged than other 12ax7 variety, early 7025 are ranked against german ecc803 + e83cc, and british b759 + m8137.
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The high power 5751 = premium 12ax7 ecc83 w/ slightly less gain, introduced in 1949, as military spec + industrial grade. originally designed for aviation, the costly 5751 design is more rugged + less prone to microphonics, w/ higher power 175ma.
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We will help you to find what you are looking for by searching all over Japan.
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Tests good on our Amplitrex AT1000. This is a rare triple mica low noise variant of the Ecc83.
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The legendary 5751 gold sylvania 3-mica is an audiophile crown jewel! a holy grail premium 12ax7 ecc83, w/ less gain. introduced back in 1949, 5751 are a military spec rugged industrial grade high performance 12ax7 ecc83 plugin sub.
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Authentic diamond <> base germany pair, w/ nice visible silkscreens (see photos). 6ak5 6al5 6bq5 6au6 6267 6ca7 6ca4 / 6ar5 6aq5 6aq8 6cg7 6cf8 6fq7 6f32 6072 6cc42. 6dj8 7dj8 6922 7308 / ecc88 pcc88 e88cc e188cc / cca e88cc-01 cv2492 cv2493 / pcc189.
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