-01KS7MWGP05CR3VKW49W6HSQBR.jpg&w=1920&q=75)
-01KS7MWGP1JXPY0SEPG7XCXG2A.jpg&w=1920&q=75)
-01KS7MWGP2RBCWEJXH797GEP1H.jpg&w=1920&q=75)
EBL21 Tesla VINTAGE Copper Base Output Tube
RARE VINTAGE TESLA OUTPUT TUBE — TESTED AND READY 💎 A desirable preowned EBL21 from Tesla, featuring the sought-after copper base construction. Clean, tested stock for high-end tube audio restorations and vintage amplifier use. Tube Details and Codes 📌 • Type: EBL21 power/output tube • Brand: Tesla • Construction: Copper base • Origin: European vintage production • Condition: Used, fully tested Testing and Performance ⚡ • Verified working properly • Tested for reliable operation • Suitable for replacement or upgrade in compatible tube gear • Strong choice for serious vintage audio systems Sonic Signature 🎵 • Warm, musical presentation with classic tube texture • Smooth midrange and engaging vintage character • Ideal for listeners seeking authentic old-school hi-fi tone
Your Personal Advisor
I can help you match the right parts for this item and handle any technical notes or custom requests for your order.
Chat on WhatsApp
I speak: English
Secure Checkout
Refund Protection
Fully covered if your order is damaged, incorrect, or never arrives.Refund Policy
Price Match
We'll match better prices.Info
Worldwide Shipping
Free worldwide delivery on orders over $200.Shipping Policy
The Output Heritage Gallery
Explore a curated collection of legacy output tubes, where mid-century manufacturing mastery meets modern laboratory verification to ensure unwavering thermal stability and sonic precision.
Hover image to Zoom | -01KS7MWGP05CR3VKW49W6HSQBR.jpg) EBL21 Tesla VINTAGE Copper Base Output Tube |  EL12 Tesla VINTAGE Pear-Shaped Smoky Glass Tested Good | -01KS7K8RNS55EKRGE9PR5Z0Y4C.jpg) 6BQ5 EL84 Valvo VINTAGE Tested Good German Power Tube | -01KS7KVT29HKXBK549XZ5D4XVQ.jpg) EL95 6DL5 Siemens VINTAGE Tested Like NOS | -01KS7MTD94X8YW656GWMZEZXQF.jpg) AL4 Tesla VINTAGE Tested Czech Power Tube | -01KS7MP95R2TNHAND2NWC5KEVK.jpg) EL95 6DL5 Telefunken VINTAGE Diamond-Bottom Tested | -01KS7MKNBZMV2XPAGESXQN4PGH.jpg) EL12 RFT VINTAGE German Power Tube Test Good | -01KS7K47QT6CB2GFDV90G66HZ3.jpg) 6V6 RCA VINTAGE USA Smoke-Glass Strong Tested |
|---|---|---|---|---|---|---|---|---|
| Price | $84.00 | $84.00 | $93.00 | $73.00 | $82.00 | $79.00 | $84.00 | $86.00 |
| Origin & Factory | European vintage Tesla | Tesla Czech Republic | German vintage Valvo | German vintage Siemens | Czech vintage Tesla | German Telefunken stock | German vintage RFT | Vintage RCA USA |
| Stock Condition | used tested stock | single vintage tube | single tested tube | tested old stock | vintage stock | vintage rare stock | used vintage stock | Single tube |
| Measured Performance | verified working properly | tested good | tested good TV-7 | tested like NOS | tested on tube tester | visually checked strong emission | tested good functional | Strong tested TV7 |
Customer Reviews
0.0
Based on 0 reviews
No reviews yet
Be the first to share your thoughts about this product.
-01KS7GH4Q6DHRD5SKE9RV1VMYW.jpg&w=1920&q=75)
-01KSKWAD3G429RCGDT6KCH2B4X.jpg&w=1920&q=75)
-01KQH5QVBYYD7AXMG3DB55DH6A.jpeg&w=1920&q=75)
-01KQH635PHBVF500TRRF3NJC8M.jpeg&w=1920&q=75)
-01KS7MTD94X8YW656GWMZEZXQF.jpg&w=1920&q=75)