(!!!) (Best Pair) 6HA5=6HM5=EC900 Amperex Holland “”Globe Logo”” NOS in white boxes 1971-1972 (12.0ma and 12.8ma)

1 matched pair) 6HA5 Amperex Holland “”Globe Logo”” NOS in white boxes 1971-1972

1 tube) 12.0ma Gm=14,200

1 tube) 12.8ma Gm=14,400

Matched on Amplitrex

Good Ma range 10-11ma

Good Gm range 12-14,000

– Wright Sound Model 11 preamp (phono stage)
– Fisher 500C
– Milbert TC-4R Crossover