Offered here is one beautiful example of the rare Sylvania 864 triode, a general-purpose, non-microphonic tube designed for premium audio and driver stage applications. This model features a 4-pin base and was used in high-performance circuits for its linearity and low noise characteristics.
This tube was tested on a professionally calibrated Metrix U61B and shows full emission performance. Measurements indicate it operates at factory-spec parameters with no signs of weakness or decline.
🔍 Test & Condition Summary
- Brand: Sylvania (USA)
- Type: 864 (Triode – 4-pin)
- Tested on: Metrix U61B
- Emission: 100% of nominal values
- Condition: Excellent overall – strong internals, clear glass, clean base
💡 Notes
This tube has not been previously used in circuit. It has been carefully stored in ideal conditions. The getter flash is intact and silvery. A rare chance to own a clean specimen of the 864, especially suitable for hi-fi or radio restoration projects.
📈 Fixed Price Listing
This item is offered at a Buy-It-Now price of €100.
📦 How I Pack & Ship
Each tube is professionally packed using custom-cut shock-absorbing materials and protective sleeves. I exclusively use DHL Express for all international shipments – fast, tracked and secure.
📦 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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