Philips ECC83 / 12AX7 – Vintage Audio Tube – Tested 50/54 on TV-7 D/U – Strong Balanced Emission

Offered here is a single Philips ECC83 (12AX7) vintage audio tube. The tube has been tested on a TV-7 D/U tester with readings of 50/54 (minimum 32), confirming strong and well-balanced emission across both triode sections. Performance is fully operational and consistent with quality European standards.

Visually, the tube is in very good cosmetic condition, with clear glass, clean pins, and intact internal structure. It provides the classic Philips tone — smooth midrange response and dynamic headroom — ideal for both hi-fi and musical instrument applications.

🔍 Condition Summary

• Brand: Philips
• Model: ECC83 / 12AX7
• Quantity: 1 Tube
• Tested on: TV-7 D/U (calibrated)
• Results: 50/54 (Minimum 32)
• Emission: Strong and balanced – above operational standard
• Visual Condition: Clean glass, solid pins, intact structure

💡 Why Buy This Tube?

This Philips ECC83 delivers authentic vintage tone, reliability, and balanced triode operation. Professionally tested and verified, it’s an excellent option for audiophiles, studio professionals, and amplifier enthusiasts seeking genuine European tube performance.

⚠ Disclaimer on Test Values

All tubes are tested on TV-7 D/U and Metrix U61B testers, both professionally calibrated. Please note that readings can vary between different tester models and calibrations. No returns accepted based on test result discrepancies.

📦 How I Pack & Ship

The tube is placed in a protective plastic sleeve, wrapped in anti-shock foam, and securely boxed. I exclusively use DHL Express for fast, traceable, and reliable worldwide delivery.

📦 Shipping & Customs Information – Please Read Before Purchasing

• 🇪🇺 EU Buyers (European Union)
  • ✅ VAT & Duties: none—price is final.
  • ✅ Shipping: DHL Express (2–5 business days).
• 🌍 Non-EU Buyers (USA, UK, Asia, Canada, etc.)
  • ✅ Customs Duties & VAT: not included—buyer’s responsibility.
  • ✅ Shipping: DHL Express or international courier (3–7 business days).
  • ✅ Customs Delays: not responsible for any hold-ups.
• 📦 Packaging & Handling
  • ✅ Professional anti-shock packaging.
  • ✅ Shipped within 48 hours of payment.
  • ✅ Tracking number provided immediately after dispatch.
• ❗ Important Notice
  • Customs clearance is buyer’s responsibility. Returns for unclaimed packages will be refunded minus return shipping costs.
  • No refunds for packages delayed or held by customs.
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Photos show the actual item. Tested with professional equipment.