12AT7 ECC81 VINTAGE Black Plate USA Test Good Matched
RARE VINTAGE USA STOCK — TESTED GOOD 💎 Premium ECC81 / 6201 twin triode, black-plate construction, made in USA. Offered as a single tube and ideal for discerning tube collectors and audiophile preamps. Tube Details and Codes 📌 • US Tube Type: 12AT7 • European Code: ECC81 • Industrial Code: 6201 • Black-plate internal construction • Made in USA Testing and Performance ⚡ • Vintage used tube, tested good • Emission verified for serviceable operation • Suitable for preamp, line stage, and driver applications • Sold individually, price is for 1 tube Sonic Signature 🎵 • Open, lively mids with strong detail retrieval • Smooth treble and refined harmonic structure • Classic vintage tube presentation with excellent musical flow
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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 | $71.00 | $83.00 | $88.00 | $70.00 | $71.00 | $71.00 | $84.00 | $79.00 |
| Origin & Factory | vintage USA | German vintage RFT | USA-origin vintage | German RFT vintage | Made in USA vintage | Made in Germany | Telefunken German vintage | Tesla Czech military |
| Stock Condition | single tube | single tube retail | single tube | single tested tube | preowned tested tube | vintage used tube | single vintage tube | actual vintage stock |
| Measured Performance | tested good, emission verified | TV7 emissions tested | tested on TV-7 | TV7 tested verified | test-checked operational | strong emissions tested | tested for emissions shorts | strong tested emission |
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