6X4 National Union used/good 1951 (55/40 and 56/40)
$ 8.99
6X4 National Union used/good 1951 (55/40 and 56/40)
Recommended for
Audio Note DAC 1.2
LAMM LP2 phono
KONDO KSL M7 preamp
Kondo M77 preamp
Eastern Electric Minimax Phono
Pultec EQ
Wright WPP200C
Audio Note M7
See more: vacuum tube
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