Telefunken ECC82-TK/12AU7 Black Diamond Series Vacuum Tubes (Matched Pair)
UPC's:
90%
top notch tubes
Apr 7, 2019
I replaced a pair of Mullards with these and the improvement in sound quality was dramatic. Better definition top to bottom as well as extended highs. A further benefit, the Telefunkens are close to broken in as delivered
Reviewed on B&H Photo Video
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