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EF804 Telefunken NOS Diamond Bottom German Made
RARE NOS GERMAN STOCK — PREMIUM TELEFUNKEN OUTPUT 💎 New Old Stock Telefunken EF804 from Germany, featuring the highly sought-after bottom logo construction. A classic vintage German tube prized for its refined build quality and collectible value. Tube Details and Codes 📌 • EF804 Telefunken, German-made • Bottom logo style construction • New Old Stock condition • Highly desirable vintage European tube Testing and Performance ⚡ • NOS stock with no prior use reported • Clean, original presentation for serious tube collectors • Ideal for restoration, replacement, or premium tube rolling Sonic Signature 🎵 • Known for balanced tone and high-resolution detail • Smooth, authoritative presentation with strong musicality • Excellent choice for refined, low-noise amplifier applications
The Hidden Engineering Gallery
Analyze the impact of premium internal builds on your audio signal.
-01KQHAJYNBK5SQA5CSA9CV5YMH.jpeg) EF804 Telefunken NOS Diamond Bottom German Made |  EF804 Telefunken NOS Silver Plate |  6AU6 EF94 Telefunken VINTAGE Square Getter German Made | -01KQH5BV986GCRVDR8Y67R2RQS.jpeg) 6AU6 EF94 Ediswan NOS Made In England Test Verified | -01KQH9D8ZS0F5HTPVJKET3E2EJ.jpeg) 6BL8 ECF80 Lorenz NOS German Stock Adapter For 7199 amplifiers |  6BL8 E80CF Generic VINTAGE German Stock Tested | -01KQH8QNKCVFBRX7DM8A1VS2CZ.jpeg) 6BL8 ECF80 Telefunken VINTAGE 7199 Substitute Made In Germany | -01KQH5QVBYYD7AXMG3DB55DH6A.jpeg) EM80 EM80 Tesla VINTAGE Display Tube Tested | |
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| Price | $79.00 | $84.00 | $84.00 | $75.00 | $84.00 | $88.00 | $88.00 | $69.00 |
| Origin & Factory | German-made Telefunken | German NOS Telefunken | German-made Telefunken | England vintage stock | German NOS stored | German-made vintage | Telefunken, Germany | Czechoslovak Tesla |
| Stock Condition | new old stock | new old stock | single vintage tube | new old stock | original box inventory | vintage stock | vintage NOS | single vintage tube |
| Measured Performance | no prior use reported | verified NOS condition | tested good | TV7 tested verified | NOS | tested like NOS | tested NOS-like performance | tested good |
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