(!!) (Best Value Pair) 6189W Philips ECG NOS by Sylvania 1983-1987 (8/10ma and 8.6/10ma)

(!!) (Best Value Pair) 6189W Philips ECG NOS by Sylvania 1983-1987 (8/10ma and 8.6/10ma)

$54.99
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1 low noise pair) 6189W Philips ECG NOS by Sylvania 1983-1987 1 tube) 8.0/10ma Gm=2000/2300 1 tube) 8.6/10ma Gm=2100/2300   Matched on Amplitrex Good Ma range 8-10ma Good Gm range 1800-2200   - 6189 W is sub for a 12AU7 or 5814

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