SED Tubes Winged C 6550 2 Matched Quads NOS Tubes
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| Condition | |
| Payment methods |  |
Contact seller after sale to pay viaVISA/Mastercard or American Express | |
| Ships from | Westfield, NJ, 07090 |
| Ships to | United States |
| Package dimensions | unspecified |
| Shipping carrier | FedEx |
| Shipping cost | $20.00 |
| Original accessories | Box |
 Average | Research Pricing |
Rare and almost impossible to find SED 6550 Winged C Tubes. A full set which I purchased as a second set for my Audio Research REF 210 Monoblock Amplifiers. Check out listings on eBay for comparable prices. The good stock tubes are typically over $125.00/tube. After production ceased, some factory seconds made it to the market. These were purchased in 2013 and the original purchase receipt is included. If the buyer has a a pair of REF 210's, I will include the (2) 6N1P's with the sale.
Questions for the seller |
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| what are the date codes on the tubes?
The only code present on the tube is 1136. I will post an additional picture. |
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