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​​MickeyDE   Acoustics

Very Early Philips ECC83 / 12AX7 tubes D getter from the Copenhagen plant. Code on base between pins reads MCA Δ5.

Tubes are from may 1953.Both tubes were sealed in boxes in photo.I opened the tubes to check them out and test.

Considered to be the best sounding ecc83 tubes as they come from the Copenhagen plant.

Kindly mail from price.$