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(!!) (Best Pair #3) ECC81=12AT7 Philips by Mullard and Mullard UK NOS 1965-1970 (10.5/12ma and 11.2/10.6ma) (sweet sound)
(!!) (Best Pair #3) ECC81=12AT7 Philips by Mullard and Mullard UK NOS 1965-1970 (10.5/12ma and 11.2/10.6ma) (sweet sound)
$ 159.99
1 low noise pair) ECC81=12AT7 Philips by Mullard and Mullard UK NOS 1965-1970
1 tube) 10.5/12ma Gm=5300 and 5900 - Philips Import by Mullard 1970
1 tube) 11.2/10.6ma Gm=5600 and 5500 - Mullard 1965
- Tested on Amplitrex AT1000
- Low Noise and not microphonic
- Good Ma range 8-10ma
- Good Gm range 5000-5500
(Sweet and Smooth 12AT7)
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