1 pair) 6HQ5 Sylvania NOS 1970 era same build
1 tube) 12.5ma Gm=13,000 Sylvania branded Raytheon
1 tube) 13.0ma Gm=14,400
$3.60 $11.99
1 pair) 6HQ5 Sylvania NOS 1970 era same build
1 tube) 12.5ma Gm=13,000 Sylvania branded Raytheon
1 tube) 13.0ma Gm=14,400
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