(!!!) 6X4 Brimar UK NOS 1961 (56/40 and 57/40)
$ 24.99
6X4 Brimar UK NOS 1961 in white box
56/40
57/40
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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 6X4 Brimar UK NOS 1961 (56/40 and 57/40) "Pin It")