Glenn.......Telefunken Elektroakustik is the company name, a partnership with JJ tubes. The Telefunken Elektroakustik Black Diamond tubes are essentially JJ tubes that have been cryogenically treated, silk screened in black with the Telefunken logo, tube designation, and sold in Telefunken packaging. They are definitely not Telefunken old stock tubes made in Germany. These tubes are being manufactured in Slovakia.
I have not tried the Telefunken Elektroakustik Black Diamond tubes and probably will not due to JJ's reputation of short lived tubes. If they eventually prove themselves a worthy valve contender with positive reviews perhaps I will change my mind but for now I will continue to roll with Gold Lion.
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Dan
STUDIO - McIntosh C1000C/P, MC2301 (2), MR88, Aurender N10, Esoteric K-01X, Shunyata Sigma spdif digital cable, Sonos Connect, PurePower 2000, Stillpoints, Furutech Flux 50, Michell Gyro SE, Michell HR Power Supply, SME 309, Ortofon Cadenza Black, Wireworld, Sonus faber Amati Anniversario
LIVING ROOM - McIntosh C2300, MC75 (2), MR85, Magnum Dynalab 205, Simaudio MOON Neo 260D-T, Schiit Audio Yggdrasil, Aurender N100H, Shunyata Sigma USB cable, Micro Seiki DD40, Ortofon Cadenza Blue, Nakamichi BX-300, Sony 60ES DAT, PS Audio P10, Furutech Flux 50, Sonos Connect, Stillpoints, Wireworld, Kimber, PMC EB1i, JL Audio f113
VINTAGE - McIntosh MA230, Tandberg 3011A tuner, Olive 04HD, Sony DTC-59ES DAT, McIntosh 4300V, JBL 4312A
Last edited by jdandy; 09-22-2017 at 07:45 PM.
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