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12AT7 ECC81 Telefunken VINTAGE Diamond-Bottom Tested Strong
AUTHENTIC VINTAGE TELEFUNKEN STOCK — ACTUAL TESTED TUBE 💎 A highly desirable German-made ECC81/12AT7 from Telefunken, featuring the sought-after diamond-bottom base. Excellent used condition with strong test results, ideal for a premium preamp or driver stage. Tube Details and Codes 📌 • US Type: 12AT7 • European Type: ECC81 • Brand: Telefunken • Made in Germany • Diamond-bottom construction • Vintage original stock Testing and Performance ⚡ • Tested good on TV-7 • Verified for dependable emission • Clean, stable performance • Ready for serious audio use Sonic Signature 🎵 • Refined top end with excellent detail • Open, dimensional midrange • Tight, controlled bass response • Classic Telefunken clarity and precision
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The Vintage Preamp Collection
Capture the atmospheric depth of the golden era with laboratory-verified signal artifacts that translate historical manufacturing mastery into a radiant and immersive listening experience.
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| Price | $98.00 | $90.00 | $108.00 | $70.00 | $84.00 | $90.00 | $95.00 | $79.00 |
| Origin & Factory | vintage Telefunken stock | Made in Holland | Philips Holland Delta | German RFT vintage | Telefunken German vintage | Made in France | Made in Germany | Tesla Czech military |
| Stock Condition | single tested tube | single vintage tube | single vintage tube | single tested tube | single vintage tube | Vintage single tube | single vintage tube | actual vintage stock |
| Measured Performance | tested good on TV-7 | tested good on TV-7 | TV-7 tested strong | TV7 tested verified | tested for emissions shorts | Strong TV-7 tested | TV-7 tested strong | strong tested emission |
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