🔊 Matched Quad Philips ECC84 – Mullard Blackburn – NOS – B1J1 

🔥 Rare matched quad of ECC84 (6CW7) vacuum tubes – made by the legendary Mullard factory in Blackburn, UK for Philips / RTC.

• ✅ New Old Stock (NOS) – Never used
• 🎯 Perfectly matched set of 4 identical tubes
• 📦 In original Philips yellow/blue boxes (opened only for photos)
• 🔍 Factory code: B1J1 (Blackburn 1971 – Oct – Week 1)
• 🎼 Ideal for Hi-Fi amps, RF circuits, vintage radios
• 💎 Renowned Mullard tone – warm, detailed, low noise

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🚀 Ultra Fast Shipping

✈️ Ships within 24 hours – packaged with extreme care and fully tracked.
📍 Worldwide shipping available.

🧰 Collector’s Item – Audiophile Grade

These tubes are a dream find for tube lovers, collectors, and Hi-Fi enthusiasts seeking reliable, vintage warmth and performance.

💬 Questions? Feel free to message me. I’m happy to help!