They are high-quality version of EL84/6BQ5 with clarity, deadly quiet, rich bass smooth and natural mid voice. The tubes were tested good on my TV-7D/U at 64-64/50 min. You will be surprised at their sounding which is very distinctive.
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GEC CV4085/Z729/EF86/6267/E80F NOS NIB Balanced
They are top of EF86 with clarity, deadly quiet, rich bass smooth and natural mid voice. The tube is carefully tested on my TV-7/U at the NOS range, tightly balanced. What you see is what you get. They are rather rare and hard to find.
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Emitron/GEC Z729/EF86/6267/E80F NOS Matched Pair
They are top of EF86 with clarity, deadly quiet, rich bass smooth and natural mid voice. The tube is carefully tested on my TV-7/U at the NOS range, tightly balanced. What you see is what you get. They are rather rare and hard to find.
Related Images:
GEC CV4085/Z729/EF86/6267/E80F NOS NIB Balanced
They are top of EF86 with clarity, deadly quiet, rich bass smooth and natural mid voice. The tube is carefully tested on my TV-7/U at the NOS range, tightly balanced. What you see is what you get. They are rather rare and hard to find.
Related Images:
Emitron/GEC Z729 EF86 6267 E80F NOS Matched Pair
They are top of EF86 with clarity, deadly quiet, rich bass smooth and natural mid voice. The tube is carefully tested on my TV-7/U at the NOS range, tightly balanced. What you see is what you get. They are rather rare and hard to find.
Related Images:
GEC Z729 EF86 6267 E80F CV4085 NOS Testing Balanced
You are bidding for 1 Tube GEC Z729/EF86/6267/E80F/CV4085 NOS Testing Balanced special version of EF86 made in England in the 1960s. They are mesh plates with O getter. They are top of EF86 with clarity, deadly quiet, rich bass smooth and natural mid voice. The tube is carefully tested on my TV-7/U at the NOS range, tightly balanced. What you see is what you get. They are rather rare and hard to find. Selling as is due to vintage tubes. No return. Thanks a millionP/S: The shipping fees in the listing is by regular mail (normally Vietnam post) taking from 12-25 days depending on buyers’ local customs. To some regions, it can take even longer than that. Besides, Vietnam post is not always available to some countries in South America, Northern Europe or Africa. Please ask me before paying. If you want to use express shipping services like DHL, Fedex or UPS express taking 3-7 working days, you have to pay an extra of around $60. Please let me know so that I can send you an invoice. If the item(s) purchased may not arrive or be faulty, please don’t hesitate to contact me before opening cases on Ebay. I am more than willing to reach to a solution and make you completely satisfied. Thanks a million
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Philips Miniwatt EL3 EL3N, NOS Testing Values, working perfectly, Matched Pair
These tubes are carefully tested on my Avo CT160 as shown in the photos (Ia=36= 100%, Gm=9=100%). They sound wonderful in my auto bias hifi system for 2 hours and a half. These tubes are super rare and hard to find now.
Related Images:
Philips Miniwatt EL3 EL3N, NOS Testing Values, working perfectly, Matched Pair
These tubes are carefully tested on my Avo CT160 as shown in the photos (Ia=36= 100%, Gm=9=100%). They sound wonderful in my auto bias hifi system for 2 hours and a half. These tubes are super rare and hard to find now.
Related Images:
Philips Miniwatt EL3 EL3N, NOS Testing Values, working perfectly, Matched Pair
These tubes are carefully tested on my Avo CT160 as shown in the photos (Ia=36= 100%, Gm=9=100%). They sound wonderful in my auto bias hifi system for 2 hours and a half. These tubes are super rare and hard to find now.
Related Images:
Sylvania 5687w 5687 6900 E182CC 7119 Black Plate Gold Pins NOS Tested Balanced
Matched pair and matched quads are available. What you see is what you get. Besides, Vietnam. an invoice.