1968/1969 Mullard Blackburn 12AU7 12AU7A ECC82 Tubes, Matched Pair, Test NOS

Description: Untitled Document 1968/1969 Mullard Blackburn 12AU7 12AU7A ECC82 Tubes, Matched Pair, NOS Testing You are bidding on a platinum matched pair of Mullard Blackburn 12AU7 12AU7A ECC82 Tubes. These tubes have gray ladder plates and and halo getters. They have 1968 and 1969 etched codes and were made in the Mullard Blackburn factory per the matching etched codes. These tubes were tested on my Dan Nelson calibrated TV-7/B. They have been tested for shorts, gas, and transconductance. The tubes test with readings of 94/90 and 90/94. Minimum is 56. They have also been checked for noise and microphonics in the phono stage of my DIY pre-amp and are dead quiet. All tubes are tested on my calibrated TV-7/B or on my calibrated Hickok 539C. All of these tubes have been tested for transconductance, shorts, gas, leakage and life. All tubes meet or exceed manufacturer published specifications of transconductance (Gm) for the specified tube type. All tests are tested twice - prior to the listing and prior to shipping. I have been selling tubes on the internet since 1998 and have been working with tubes since the early 1960's. If you have not already done so, please take a moment and look at my feedback. All tubes are 100% guaranteed good on arrival. These are great tubes for your new audio gear, guitar amps and vintage stereo/audio gear. Thanks for viewing my auction. Please check out my other auctions for more audio tubes, ham radio and radio related items, and collectibles for great deals. We have thousands of tube types in stock. Please contact us if you cannot find what you want, so we can list it. You can add me to your list of favorite sellers by clicking here. "I will ship overseas" Regarding Shipping Your tubes will be well packed. All tubes are shipped in white boxes or the original boxes if available. They are than are wrapped in bubble wrap and shipped in a box. I have shipped thousands of tubes all over the world and have not yet had any arrive damaged. Payment must be received with 2 days of the auction close. Foreign bidders are welcome to bid. I will gladly combine auctions to save on shipping when possible. I have sold and shipped electronic equipment and tubes to over 75 countries. I pack items very well. See my feedback and bid with confidence!

Price: 135 USD

Location: Phoenix, Arizona

End Time: 2024-11-22T02:30:33.000Z

Shipping Cost: 8 USD